HP ProDesk 400 G1 Micro Maintenance and Service Guide ProDesk 400 G1 Microtowe
HP ProDesk 400 G1 Micro Manual
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- HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 1
Maintenance and Service Guide HP ProDesk 400 G1 Microtower HP ProDesk 480 G1 Microtower HP ProDesk 490 G1 Microtower HP ProDesk 400 G1 Small Form Factor - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 2
HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP Product notice This guide describes features that separately purchased hardware, drivers, and/or software - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 3
About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. NOTE: Text set - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 4
iv About This Book - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 5
contents 1 Product features ...1 Standard configuration features 1 Microtower ...1 Small Form Factor ...2 Front panel components ...3 Microtower (model 400/490 3 Small form factor ...4 Rear panel components ...5 Microtower (model 400 5 Microtower (model 490 6 Small form factor ...7 Serial number - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 6
Cleaning the keyboard 37 Cleaning the monitor 38 Cleaning the mouse 38 Service considerations ...38 Power supply fan ...38 Tools and software Requirements 39 Screws Cable management ...41 5 Removal and replacement procedures: Microtower 42 Preparation for disassembly ...42 Access panel ...43 vi - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 7
59 Drive positions ...62 Removing a 5.25-inch drive 63 Installing a 5.25-inch drive 63 Removing a 3.5-inch device 65 Installing a 3.5-inch device (model 400 67 Installing a 3.5-inch device (model 480 and model 490 69 Removing a 3.5-inch hard drive 70 Installing a 3.5-inch drive 71 DisplayPort - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 8
148 Recovering the Configuration Settings 150 8 Troubleshooting without diagnostics 151 Safety and comfort ...151 Before you call for technical support 151 Helpful hints ...152 Solving general problems ...154 Solving power problems ...158 Solving hard drive problems 159 Solving media card reader - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 9
Solving software problems ...188 9 POST error messages ...190 POST numeric codes and text messages 191 Interpreting POST diagnostic front panel LEDs and audible codes 199 10 Password security and resetting CMOS 203 Resetting the password jumper 204 Clearing and resetting the CMOS 205 11 HP PC - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 10
217 Using HP Recovery Disc operating system discs (select models only 218 Appendix A Battery replacement 220 Appendix B Power cord set requirements 223 General requirements ...223 Japanese power cord requirements 223 Country-specific requirements 224 Appendix C Specifications 225 Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 11
1 Product features Standard configuration features Features may vary depending on the model. For a complete listing of the hardware and software installed in the computer, run the diagnostic utility (included on some computer models only). Microtower Standard configuration features 1 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 12
Small Form Factor 2 Chapter 1 Product features - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 13
Front panel components Microtower (model 400/490) Drive configuration may vary by model. Some models have a bezel blank covering one or normally white when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code. Front panel components 3 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 14
8 3.5-inch Media Card Reader (optional) NOTE: The Power On Light is normally white when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code. 4 Chapter 1 Product features - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 15
Rear panel components Microtower (model 400) 1 Power Cord Connector 2 Power Indicator Light 3 PS/2 Keyboard Connector (purple) 7 ) NOTE: An optional second serial port and an optional parallel port are available from HP. When a graphics card is installed in one of the system board slots, the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 16
Microtower (model 490) 1 Power Cord Connector 2 Power Indicator Light 3 PS/2 Keyboard Connector (purple) 4 optional second serial port, an optional parallel port, and an optional DisplayPort are available from HP. When a graphics card is installed in one of the system board slots, the video - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 17
(blue) 10 Line-Out Connector for powered audio devices (green) NOTE: An optional second serial port and an optional parallel port are available from HP. When a graphics card is installed in one of the system board slots, the video connectors on the graphics card and the integrated graphics on - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 18
Serial number location Each computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available for use when contacting customer service for assistance. Microtower Small Form Factor 8 Chapter 1 Product features - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 19
to 10 minutes. Carefully read and follow the instructions on the screen to complete the activation. We recommend that you register your computer with HP during operating system setup so you can receive important software updates, facilitate support questions, and sign up for special offers. CAUTION - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 20
path specification with C:\i386, or use the Browse button in the dialog box to locate the i386 folder. This action points the operating system to the appropriate drivers. Obtain the latest support software, including support software for the operating system, from http://www.hp.com/support. Select - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 21
during operating system set up so you can receive important software updates, facilitate support questions, and sign up for special offers. You can also register your computer with HP using the Register with HP app on the Start screen. CAUTION: After the activation process has begun, DO NOT TURN OFF - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 22
information for all chassis. NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. 12 Chapter 3 Illustrated parts - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 23
Microtower chassis spare parts Computer major components Microtower chassis spare parts 13 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 24
thermal material) NOTE: System board color may vary. (4) For use in 400 models: ● For use in models without Windows 8 ● For use in in models with NetClone (the People's Republic of China only) (6) For use in 480 G1 models: ● For use in models without Windows 8 ● For use in models with - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 25
-001 727380-001 732505-001 745033-001 745034-001 742562-001 742561-001 742560-001 742566-001 742565-001 742564-001 758757-001 758756-001 Microtower chassis spare parts 15 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 26
Cables Item Description (1) Front I/O assembly (2) Power switch/LED assembly SATA data cable, 14 inch, 2 straight ends DMS-59 to dual VGA cable DMS-59 to dual DVI cable Adapter, DisplayPort to VGA Adapter, DisplayPort to DVI Adapter, DisplayPort to HDMI Adapter, DVI to VGA Adapter, DVI - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 27
(1) Fan sink (includes replacement thermal material) For use in 400 and 490 models, standard For use in 490 models, BFR/PVC free (2) Speaker (3) Fan Standard Fan, BFR/PVC free Spare part number 745054-001 748826-001 745053-001 745052-001 748825-001 Microtower chassis spare parts 17 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 28
, PCI card Card reader 14-in-1, USB 3.0, 3.5-inch, UHS-I 15-in-1, USB 3.0, 3.5-inch, UHS-II Adapter, USB 3.0 to 2.0 Optical drive bezel blank HP Ultraslim Keyed Cable Lock Hard drive carrier, 2.5-inch to 3.5-inch Hard drive adapter bracket (to install 2.5" or 3.5" hard drives into 5.25 drive - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 29
.11 a/b/g/n (2x2) Wireless NIC Spare part number 707252-001 720837-001 717219-001 729085-001 717220-001 729084-001 702084-001 728562-001 745668-001 Microtower chassis spare parts 19 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 30
Sequential part number listing Spare part number 202997-001 397117-001 450712-001 463023-001 463024-001 487562-001 583345-001 586721-001 617450-001 632484-001 638815-001 638817-001 657401-001 660408-001 662723-001 665961-001 671612-001 671613-001 674315-001 674316-001 674317-001 674318-001 680020- - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 31
microtower, 300W, Energy Star 5.0 Power supply for use in the microtower, 300W, Active PFC Power supply for use in the microtower 400 models without Windows 8 (includes replacement thermal material) System board for use in 400 models with Windows 8 Keyboard, wireless, HP Elite with USB dongle (for use - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 32
Rear chassis fan, standard Speaker Fan sink for use in 400 MT and 490 MT models System board for use in 400 MT models with NetClone (includes replacement thermal material) ( Wireless NIC System board for use in 480 G1 models without Windows 8 (includes replacement thermal material) 22 Chapter 3 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 33
replacement thermal material) System board for use in 480 G1 models with Windows 8 Professional (includes replacement thermal material) 1 TB, 7200 rpm hard drive, 3.5 inch 2 TB, 7200 rpm SATA hard drive, 3.5 inch Power supply for use in the microtower, 300W, Energy Star 6.0 Rear chassis fan, BFR/PVC - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 34
Small Form Factor chassis spare parts Computer major components Item Description (1) Front bezel (2) Access panel (3) Power supply 240W, 85% efficient 240W, standard (4) System board (includes replacement thermal material) For use in models without Windows 8 24 Chapter 3 Illustrated - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 35
Item Description For use in models with Windows 8 Standard For use in models with Windows 8 Professional For use in models with NetClone (the People's Republic of China only) Memory modules (PC3,12800, CL11) 8-GB 4-GB 2-GB Processors (include replacement thermal material) Intel Core i7 4771 (3.5-GHz - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 36
Cables Item Description (1) Front I/O assembly (2) Power switch assembly SATA drive power cable SATA data cable, 19.5 inch, 2 straight ends SATA data cable, 14.0 inch, 1 straight end, 1 right angle DMS-59 to dual VGA cable Adapter, DisplayPort to VGA Adapter, DisplayPort to DVI Adapter, - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 37
Card reader, 14-in-1, USB 3.0, 3.5-inch, UHS-I Card reader, 15-in-1, USB 3.0, 3.5-inch, UHS-II Adapter, USB 3.0 to 2.0 Optical drive bezel blank HP Ultraslim Keyed Cable Lock Rubber foot Chassis stand Hard drive carrier, 2.5-inch to 3.5-inch Spare part number 745661-001 727149-001 638817-001 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 38
2.5" or 3.5" hard drives into 5.25 drive bay) WLAN antennas Mouse PS2, optical USB, HP Elite Washable Wireless, HP Elite (for use only in Brazil) USB, optical USB, Portia Foot kit Keyboard PS/2 USB Wireless, HP Elite with USB dongle (for use only in Brazil) Unbranded USB, unbranded, Katydid Smart - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 39
Description 120-GB Solid-state drive 20-GB Solid-state Drive (SSD) Optical drive Blu-ray BD-RW SuperMulti XL Drive DVD±RW drive DVD-ROM drive Spare part number 756459-001 683305-001 719157-001 657958-001 608394-001 NOTE: 2.5-inch solid-state drives require an adapter for installation. Misc boards - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 40
20-GB Solid-state drive Chassis stand Memory module, 8-GB, PC3-12800 Washable keyboard Keyboard, smart card, CCID Power supply, 240W, 85% efficient HP Ultraslim Keyed Cable Lock Hard drive carrier, 2.5-inch to 3.5-inch Nvidia NVS310 PCIe x16 graphics card, 512 MB Keyboard, unbranded Card reader, 14 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 41
Power supply, 240W, 85% efficient Keyboard, PS/2, for use in models with Windows 8 Keyboard, USB, black, for use in models with Windows 8 Keyboard, wireless, HP Elite with USB dongle (for use only in Brazil) Mouse, washable 1 TB hard drive, hybrid SSD 500 GB hard drive, hybrid SSD Fan duct Speaker - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 42
Spare part number 745042-001 745239-001 745044-001 745045-001 745661-001 745668-001 747992-001 747993-001 751283-001 754076-001 756459-001 758756-001 758757-001 Description Access panel System board for use in models with NetClone (includes replacement thermal material) (the People's Republic of - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 43
information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 44
as humidity decreases. Event 55% Walking across carpet 7,500 V Walking across vinyl floor 3,000 V Motions of bench worker 400 V Removing DIPs from plastic tube 400 V Removing DIPs from vinyl tray 2,000 V Removing DIPs from Styrofoam 3,500 V Removing bubble pack from PCB 7,000 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 45
dissipative surfaces. ● Keep work area free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive. Recommended materials and equipment Materials and equipment that are recommended - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 46
with ground cord of one-megohm +/- 10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing one-megohm +/- 10% resistance ● Material handling packages ● Conductive plastic bags - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 47
● Never cover the ventilation slots on the monitor with any type of material. ● Install or enable power management functions of the operating system or other software, including sleep states. Routine care General cleaning safety precautions 1. Never use solvents or flammable solutions to clean the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 48
ball with a clean, dry cloth before reassembly. ● To clean the mouse body, follow the procedures in Cleaning the Computer Case on page 37. Service considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer. Power supply - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 49
screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the caught or snagged by parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in their proper location - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 50
the chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This computer use the public collection system or return them to HP, their authorized partners, or their agents. SATA 15 39.37 in (100 cm) 400-700 mV 3.3 V, 5 V, 12 V N/A 6.0 Gb - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 51
designed to transmit data for only a single drive. SMART ATA drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 52
in this guide are available on all computers. NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Preparation for - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 53
Access panel Description Access panel Spare part number 745046-001 To access internal components, you must remove the access panel: 1. Prepare the computer for disassembly (Preparation for disassembly on page 42). 2. Loosen the two thumbscrews on the rear of the computer (1) then slide the panel - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 54
43) 3. Lift up the three tabs on the side of the bezel (1), then rotate the bezel off the chassis (2). 44 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 55
Bezel blanks Description Bezel blank Spare part number 745036-001 On some models, there are bezel blanks covering the 3.5-inch and 5.25-inch drive bays that need to be removed before installing a drive. To remove a bezel blank: 1. Remove the access panel (Access panel on page 43) 2. Remove the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 56
● To remove a 3.5-inch bezel blank, press inward on the two retaining tabs on the side of the bezel blank that hold the bezel blank in place (1) and rotate the bezel blank back to remove it (2). 46 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 57
(model 490) . These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 16-GB (model 400) or 32-GB (model 490) of memory configured in a highperforming dual channel mode. DDR3-SDRAM DIMMs For proper - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 58
Populating DIMM sockets (Model 400) There are two DIMM sockets on the system board, with one socket per channel. The sockets are labeled DIMM1 and DIMM3. will have more memory than the other, the larger amount should be assigned to Channel 48 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 59
A. For example, if you are populating the sockets with one 2-GB DIMM, and three 1-GB DIMMs, Channel A should be populated with the 2-GB DIMM and one 1-GB DIMM, and Channel B should be populated with the other two 1-GB DIMMs. With this configuration, 4-GB will run as dual channel and 1-GB will run as - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 60
any additional modules. The computer should automatically recognize the additional memory the next time you turn on the computer. 50 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 61
Expansion cards Description Nvidia NVS310 PCIe x16 graphics card, 512 MB Nvidia NVS315 PCIe x16 graphics card, 1 GB AMD Radeon HD8490 DP PCIe x16 graphics card, 1 GB AMD Radeon HD8470 PCIe x16 graphics card, 2 GB (for use only in the People's Republic of China) AMD Radeon HD8350 DH PCIe x16 graphics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 62
card. NOTE: Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card. 52 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 63
NOTE: System board appearance and PCI expansion sockets may vary. a. If you are installing an expansion card in a vacant socket, you must slide one of the expansion slot covers up and out of the chassis or use a flatblade screwdriver to pry out one of the metal shields on the rear panel that covers - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 64
, you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation. 54 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 65
8. To install a new expansion card, hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis (1) so that the bottom of the bracket on the card slides into the small slot on the chassis. Press the card straight down into the expansion socket - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 66
System board connections - model 400 Refer to the following illustration and table to identify the system board connectors for your model. No. System Board Drive Optional Parallel Port USB 2.0 Device, such as a Media Card Reader Battery 56 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 67
System board connections - model 480 Refer to the following illustration and table to identify the system board connectors for your model. No. System Board Connector System Board Label Color 1 PCI PCI1 white 2 PCI Express x1 X1PCIEXP2 black 3 PCI Express x1 X1PCIEXP1 black 4 PCI - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 68
Module Any SATA Device other than the Primary Hard Drive Any SATA Device other than the Primary Hard Drive 58 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 69
No. System Board Connector System Board Label Color 13 SATA 3.0 SATA0 dark blue 14 SATA 3.0 SATA1 light blue 15 Parallel Port 16 USB 3.0 PAR MEDIA 3.0 black black 17 USB 2.0 MEDIA black 18 Battery BAT black Component Primary Hard Drive Any SATA Device other than the Primary Hard - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 70
installing drives, follow these guidelines: Model 400: ● The primary Serial ATA (SATA branch is a two-headed cable routed to the two 3.5-inch hard drive bays. ● HP has provided extra drive mounting screws (four silver 6-32 mounting screws and three black M3 and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 71
No. Mounting Screw 1 Silver Standard 6-32 Mounting Screws 2 Black M3 Mounting Screws Device USB 3.0 Media Card Reader 3.5-inch Hard Drive 5.25-inch Optical Drive CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 72
shown above. To verify the type and size of the storage devices installed in the computer, run Computer Setup. 62 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 73
mounting screws from the side of the drive (1) and slide the drive out of the front of the drive bay (2). Installing a 5.25-inch drive NOTE: HP does not offer a 5.25-inch optical drive for this computer model. A 5.25-inch optical drive can be purchased through a third-party vendor. 1. Prepare the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 74
M3 metric mounting screw in the front upper screw hole on the right side of the drive. NOTE: HP has supplied three extra M3 mounting screws on the front of the chassis behind the bezel. Refer to Drives the drive (2) to secure it in place. 64 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 75
drive bays. 7. Connect the opposite end of the data cable to one of the white (model 400) or light blue (model 490) SATA connectors on the system board. NOTE: Refer to System board connections - model 400 on page 56 or System board connections - model 480 on page 57 for an illustration of - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 76
screws from the side of the device (1) and slide the device out of the front of the drive bay (2). 66 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 77
Installing a 3.5-inch device (model 400) 1. Prepare the computer for disassembly (Preparation for disassembly on page two 6-32 mounting screws in the side of the device (2) to secure it in place. NOTE: HP has supplied extra 6-32 mounting screws on the front of the chassis behind the bezel. Refer to - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 78
to USB 2.0 adapter (1) and connect the adapter to the connector on the system board labeled MEDIA (2). NOTE: Refer to System board connections - model 400 on page 56 or System board connections - model 480 on page 57 for an illustration of the system board drive connectors. 68 Chapter 5 Removal and - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 79
the device into the drive bay (1) and install the two 6-32 mounting screws in the side of the device (2) to secure it in place. NOTE: HP has supplied four 6-32 mounting screws on the front of the chassis behind the bezel. Refer to Drives on page 59 for an illustration of - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 80
the USB 3.0 connector on the system board labeled MEDIA 3.0. NOTE: Refer to System board connections - model 400 on page 56 or System board connections - model 480 on page 57 for an illustration of the system the drive out of the bay (2). 70 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 81
Installing a 3.5-inch drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 42) 2. Remove the access panel (Access panel on page 43) 3. You can install a 3.5-inch hard drive or a 2.5-inch hard drive with a 3.5-inch adapter bracket similar to the example shown below. ● - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 82
drive bay (1) and install the four 6-32 mounting screws (2) to secure the drive in place. NOTE: HP has supplied four extra 6-32 mounting screws on the front of the chassis behind the bezel. Refer to Drives old drive to install the new one. 72 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 83
board connector. NOTE: You must connect the primary hard drive data cable to the dark blue connector labeled SATA0 to avoid any hard drive performance problems. If you are adding a second hard drive, connect the data cable to the light blue SATA connector labeled SATA1 model - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 84
the outside, rear of the computer, remove the Torx T15 screw that secures the DisplayPort module to the computer. 74 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 85
5. From the inside of the computer, pull the module straight up to disengage it from the system board connector. To reinstall the DisplayPort connector module, reverse the removal procedure. DisplayPort connector module (480 MT and 490 MT models only) 75 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 86
the Torx T15 screw that secures the assembly to the chassis (1). 7. Rotate the left side of the assembly outward (2). 76 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 87
8. Pull the assembly away from the computer while threading the wires through the hole in the front of the chassis (3). To reinstall the assembly, reverse the removal procedure. Front I/O assembly 77 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 88
. 5. Press down on the top of the assembly to disengage the tab (1) that secures the assembly to the chassis. 78 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 89
6. Rotate the assembly downward to remove it from the chassis (2). 7. Pull the assembly away from the chassis while threading the cable through the hole in front of the chassis. Power switch/LED assembly 79 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 90
Fan sink Description Fan sink for use in 400 and 490 models, standard Fan sink for use in 490 models, BFR/PVC free Spare part number 745054-001 748826-001 are very fragile and any damage to them may require replacing the system board. 80 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 91
4. Lift the fan sink from atop the processor. CAUTION: Fan sink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heat sink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 92
the locking lever to its full open position (1). 5. Raise and rotate the microprocessor retainer to its fully open position (2). 82 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 93
the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://www8.hp.com/us/en/support-drivers.html. Processor 83 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 94
from the system board connector labeled SPKR. 4. Remove the speaker cable from the cable tie on the base pan. 84 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 95
5. From the outside front of the chassis, remove the Torx T15 screw that secures the speaker to the front of the chassis. 6. From the inside of the chassis, slide the speaker toward the right to remove it from its holder, and then remove it from the chassis. To replace the speaker, reverse the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 96
(2). To install the fan, reverse the removal procedure. Be sure to orient the air flow out of the computer. 86 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 97
Power supply NOTE: System board appearance may vary. Description Power supply, 300W, Energy Star 5.0 Power supply, 300W, Energy Star 6.0 Power supply, 300W, Active PFC Power supply, 300W, active PFC, SEPA Power supply, 300W, regular Spare part number 712298-001 748824-001 715184-001 752628-001 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 98
● P4 connector: secondary hard drive ● P6 connector: secondary optical drive 5. From the outside rear of the chassis, remove the four silver Torx T15 screws that connect the power supply to the chassis. 88 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 99
6. From the inside of the chassis, slide the power supply toward the front of the computer, rotate slightly into the computer so the power supply clears the lip on the top of the chassis, and then lift the power supply out of the chassis. To install the power supply, reverse the removal procedure. - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 100
kits include replacement thermal material. Description For use in 400 models: System board for use in models without Windows models with NetClone (the People's Republic of China only) For use in 480 G1 models: System board for use in models without Windows 8 System board for procedures: Microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 101
6. Slide the system board toward the front of the computer to disengage the I/O panel, and then lift the back (I/O side) of the board up at angle, and then lift system board out of the computer. NOTE: System board appearance may vary. When reinstalling the system board, first insert the I/O panel - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 102
operate properly. NOTE: Not all features listed in this guide are available on all computers. Preparation for disassembly See Routine the "Standby," or "Suspend" modes. The power cord should always be disconnected before servicing a unit. 5. If the computer is on a stand, remove the computer from - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 103
Access panel Description Access panel Spare part number 745042-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Loosen the thumbscrew on the rear of the computer (1) then slide the panel back (2) and lift if off the computer (3). To install the access panel - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 104
Front bezel Description Front bezel Spare part number 745039-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. Lift up the three tabs on the side of the bezel (1), then rotate the bezel off the chassis - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 105
Front bezel security The front bezel can be locked in place by installing a security screw provided by HP. To install the security screw: 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 106
it (4). NOTE: After removing the slim optical drive bezel blank and installing a slim optical drive, you can install an optional bezel trim piece (available from HP) that surrounds the front of the slim optical drive. 96 Chapter 6 Removal and replacement procedures: Small Form Factor - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 107
populated with up to two industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 16-GB of memory configured in a highperforming dual channel mode. DDR3-SDRAM DIMMs For proper - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 108
Populating DIMM sockets There are two DIMM sockets on the system board, with one socket per channel. The sockets are labeled DIMM1 and DIMM3. Socket DIMM1 operates in memory channel B. Socket DIMM3 operates in memory channel A. The system will automatically operate in single channel mode, dual - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 109
4. Open both latches of the memory module socket (1), and insert the memory module into the socket (2). NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. For maximum performance, populate the sockets so that the memory capacity - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 110
745668-001 728562-001 The computer has three PCI Express x1 expansion slots and one PCI Express x16 expansion slot. NOTE: The PCI Express slots support only low profile cards. You can install a PCI Express x1, x4, x8, or x16 expansion card in the PCI Express x16 slot. For dual graphics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 111
5. Before installing an expansion card, remove the expansion slot cover or the existing expansion card. NOTE: Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card. a. If you are installing an expansion card in a vacant socket, remove the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 112
c. If you are removing a PCI Express x16 card, pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket then away from the inside of the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 113
8. To install a new expansion card, hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis (1) so that the bracket on the card is aligned with the open slot on the rear of the chassis. Press the card straight down into the expansion socket - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 114
System board connections Refer to the following illustration and table to identify the system board connectors for your model. No. System Board Connector System Board Label Color 1 PCI Express x1 X1PCIEXP3 black 2 PCI Express x1 X1PCIEXP2 black 3 PCI Express x1 X1PCIEXP1 black 4 PCI - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 115
Drives Description Optical drives DVD±RW drive DVD-ROM drive Blu-ray BD-RW SuperMulti XL Drive Hard drives 2 TB, 7200 rpm hard drive, 3.5 inch 1 TB hard drive, hybrid SSD 1 TB, 7200 rpm hard drive, 3.5 inch 500 GB, 7200 rpm hard drive, 3.5 inch 500 GB hard drive, hybrid SSD 256 GB Solid State Drive - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 116
screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has provided four extra 6-32 standard guide screws installed on the top of the drive bay. The 6-32 standard guide screws are required for a media card reader or a secondary hard drive installed in the 3.5-inch - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 117
Drive positions 1 Slim optical drive bay 2 3.5-inch internal hard drive bay 3 3.5-inch drive bay for optional drives (media card reader shown) 4 2.5-inch internal hard drive bay NOTE: The drive configuration on your computer may be different than the drive configuration shown above. To verify the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 118
Removing a 3.5-inch device CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. Remove the front bezel (Front - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 119
a bezel blank, remove the bezel blank. See Bezel blanks on page 96 for more information. 4. Install 6-32 guide screws in the holes on each side of the device. NOTE: HP has supplied four extra 6-32 guide screws on top of the drive cage. Refer to Drives on page 105 for an illustration of - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 120
5. Rotate the drive cage to its upright position. 6. Slide the device into the drive bay, making sure to align the guide screws with the guide slots, until the device snaps into place. 110 Chapter 6 Removal and replacement procedures: Small Form Factor - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 121
7. If installing a USB 3.0 media card reader, you must use the USB 3.0 to USB 2.0 adapter and connect the adapter cable from the media card reader to the USB 2.0 connector on the system board labeled MEDIA. NOTE: Refer to System board connections on page 104 for an illustration of the system board - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 122
Removing a slim optical drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. Disconnect the power and - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 123
Installing a slim optical drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. If the computer is on a stand, remove the computer from the stand. 3. Remove the access panel (Access panel on page 93). 4. Remove the front bezel (Front bezel on page 94) if you are - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 124
8. Replace the front bezel if it was removed. NOTE: An optional bezel trim piece that surrounds the front of the optical drive is available from HP. Install the bezel trim piece in the front bezel before installing the front bezel. Removing and replacing a 3.5-inch hard drive NOTE: Before you remove - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 125
it stops, then lift the drive up and out of the bay (2). 6. To install a hard drive, you must transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive. Drives 115 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 126
7. Align the guide screws with the slots on the chassis drive cage, press the must be connected to the dark blue connector labeled SATA0 on the system board to avoid any hard drive performance problems. 9. Replace the access panel. 10. If the computer was on a stand, replace the stand. 11. Reconnect - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 127
Removing a 2.5-inch hard drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. Rotate the drive cage to its upright position. 4. Disconnect the power cable and data cable from the back of the hard drive. 5. - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 128
4. Install four black and blue M3 isolation mounting guide screws (two on each side of the drive). NOTE: M3 metric isolation mounting guide screws can be purchased from HP. When replacing a drive, transfer the four M3 isolation mounting guide screws from the old drive to the new one. 5. Rotate the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 129
-001 WARNING! To reduce potential safety issues, only the power supply provided with the computer, a replacement power supply provided by HP, or a power supply purchased as an accessory from HP should be used with the computer. The power supply is located at the rear of the chassis. It is held in - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 130
6. From the outside, rear of the computer, remove the three Torx screws that secure the power supply to the rear of the chassis. 7. From the inside of the chassis, press the release button at the front of the power supply (1). 8. Slide the power supply forward (2), and then lift it out of the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 131
Fan duct Description Fan duct Spare part number 727145-001 The fan duct sits between the front fan and the heat sink. 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. Rotate the fan duct upward. 4. Pull the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 132
Front I/O assembly Description Front I/O assembly Spare part number 745037-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. Remove the front bezel (Front bezel on page 94). 4. Rotate the drive cage to its - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 133
7. Remove the cables from the cable clips under the drive cage. 8. Remove the Torx T15 screw (1) that secures the assembly to the front of the chassis. Front I/O assembly 123 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 134
9. Press the tab on the right side of the assembly (2) to disengage it from the chassis. 10. Push the assembly into the chassis, and then remove it from the chassis. To install the assembly, insert the assembly from the inside of the chassis, and then pull the tab on the left side of the assembly - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 135
Power switch assembly Description Power switch assembly Spare part number 745038-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. Remove the front bezel (Front bezel on page 94). 4. Rotate the drive cage - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 136
6. Remove the cable from the cable clips under the drive cage. 7. From the inside of the chassis, press down on the tab on the top of the power switch to disengage the power switch from the chassis. 126 Chapter 6 Removal and replacement procedures: Small Form Factor - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 137
8. Pull the power switch out the front of the chassis, while routing the cable through the hole in the chassis. To install the power switch assembly, first insert the cable through the hole from the front of the chassis. After inserting the cable, place the bottom of the assembly into the slot, and - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 138
Speaker Description Speaker Spare part number 727149-001 The speaker is attached to the front of the chassis under the rotating drive cage. 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access panel on page 93). 3. Remove the front - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 139
6. From the outside, front of the chassis, remove the two Torx screws that secure the speaker to the chassis. 7. Lift the speaker from the inside of the chassis to remove it. To install the speaker, reverse the removal procedures. Speaker 129 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 140
Fan sink Description Fan sink Spare part number 745661-001 The fan sink is secured atop the processor with four captive Torx screws. The fan sink includes a heat sink and a fan. 1. Prepare the computer for disassembly (Preparation for disassembly on page 92). 2. Remove the access panel (Access - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 141
5. Disconnect the fan cable from the system board connector labeled CPUFAN (1), and then lift the heat sink from atop the processor (2). When reinstalling the fan sink, make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 142
Processor Description Intel Core i7 processors 4771 (3.5-GHz, 8-MB L3 cache), 84W 4770 (3.4-GHz, 8-MB L3 cache), 84W 4770s (3.1-GHz, 8-MB L3 cache), 65W Intel Core i5 processors 4670 (3.4-GHz, 6-MB L3 cache), 84W 4670s (3.1-GHz, 6-MB L3 cache), 65W 4570 (3.2-GHz, 6-MB L3 cache), 84W 4570s (2.9-GHz, - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 143
the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://www8.hp.com/us/en/support-drivers.html. Processor 133 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 144
System board Description System board for use in models without Windows 8 (includes thermal material) System board for use in models with Windows 8 Standard (includes thermal material) System board for use in models with Windows 8 Professional (includes thermal material) System board for use only in - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 145
8. Slide the system board toward the front of the chassis to disengage the connectors. 9. Lift the system board up and out of the chassis. To install the system board, reverse the removal procedure. NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS. - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 146
orientation with an optional tower stand that can be purchased from HP. 1. Prepare the computer for disassembly (Preparation for disassembly on page optional stand. NOTE: To stabilize the computer in a tower orientation, HP recommends the use of the optional tower stand. 3. Reconnect the power cord - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 147
memory count, product name, and other non-error text messages. If a POST error occurs, the error is displayed regardless of the mode selected. To manually switch to Post Messages Enabled during POST, press any key (except F1 through F12). ● Establish an Ownership Tag, the text of which is displayed - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 148
USB device and restoring it on one or more computers. ● Execute self-tests on a specified ATA hard drive (when supported by drive). ● Enable or disable DriveLock security (when supported by drive). Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 149
Computer Setup-File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 7-1 Computer Setup-File Option Description System Information Lists: ● Product name ● Manufacturer ● SKU number ● Processor - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 150
Computer Setup-Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware -compatible setting of the three options. Operating systems usually do not require additional driver support in IDE mode. RAID - Allows DOS and boot access to RAID volumes. Use this - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 151
Table 7-2 Computer Setup-Storage (continued) Removable Media Boot Enables/disables ability to boot the system from removable media. Default is enabled. Boot Order Allows you to: ● UEFI Boot Sources: Specify the order in which EFI boot sources (such as a internal hard drive, USB hard drive, USB - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 152
Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 7-3 Computer Setup-Security Option Setup Password Description Allows you to set and enable a setup ( - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 153
Table 7-3 Computer Setup-Security (continued) Device Security Allows you to set Device Available/Device Hidden (default is Device Available) for: ● Embedded security device ● System audio ● USB controller (varies by model) ● Network controller NOTE: You must disable AMT before trying to hide - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 154
Table 7-3 Computer Setup-Security (continued) Master Boot Record Security Enables/disables Master Boot Record (MBR) security. The MBR contains information needed to successfully boot from a disk and to access the data stored on the disk. Master Boot Record Security may prevent unintentional or - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 155
and then back on. Default is disabled. Trusted Execution Technology (enable/disable) - Controls the underlying processor and chipset features needed to support a virtual appliance. Changing this setting requires turning the computer off and then back on. Default is disabled. To enable this feature - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 156
this setting enabled. Secure Boot enabled also sets Legacy Support to disabled. ● Key Management-This option lets you . Selecting HP Keys causes the computer boot using the preloaded HP-specific boot keys. Default is HP Keys. troubleshoot your computer. 146 Chapter 7 Computer Setup (F10) Utility - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 157
Computer Setup-Power NOTE: Support for specific Computer Setup options may vary depending on . Each sleep state has a unique blink pattern. Default is disabled. NOTE: For Windows 8 systems with Fast Boot support, a normal shutdown goes to the S4 state, not the S5 state. ◦ S0 (On) = Solid white LED - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 158
Computer Setup-Advanced NOTE: Support for specific Computer Setup options may vary depending on the hardware displayed on the monitor during the Power On Self Test if the BIOS encounters some kind of problem while starting the PC. A POST error message will only display on screen if the computer is - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 159
NIC option-ROM-enabled. Default is PXE. ● SATA RAID Option ROM Download (enable/disable). The BIOS contains an embedded SATA RAID option ROM for RAID support. This can be temporarily disabled to save DCH space. Note that with the option ROM disabled, users will be unable to boot to hard drives - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 160
Table 7-5 Computer Setup-Advanced (for advanced users) (continued) Option ROM Launch Policy Let you set the launch policy for option ROMs. An Option ROM typically consists of firmware that is called by the system BIOS. For example, an adapter card that controls a boot device might contain firmware - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 161
, refer to the Safety & Regulatory Information guide. Before you call for technical support If you are having problems with the computer, try the appropriate solutions below to try to isolate the exact problem before calling for technical support. ● Run the HP diagnostic tool. ● Run the hard drive - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 162
the drivers loaded. When booting the operating system, use "Last Known Configuration." ● Refer to the comprehensive online technical support at http://www.hp.com/support. ● Refer to Helpful hints on page 152 in this guide. To assist you in resolving problems online, HP Instant Support Professional - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 163
and play expansion board or other option. See Solving Hardware Installation Problems on page 174 for instructions. ● Be sure that all the needed device drivers have been installed. For example, if you are using a printer, you need a driver for that model printer. ● Remove all bootable media (CD/DVD - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 164
to update the RTC date and time). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery, or contact an authorized select Control Panel from the list of applications. 154 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 165
password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store. Poor create more space on the hard drive. Add more memory. Solving general problems 155 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 166
on how to improve performance by adjusting parameters in the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. 156 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 167
the power button assembly. 5. If the 5V_aux light on the system board is off, then replace the power supply. 6. Replace the system board. Solving general problems 157 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 168
Common causes and solutions for power problems are listed in the following table. Power supply shuts down intermittently. Cause Solution If equipped with a onto the system board header. 3. If fan a plugged in and not spinning, replace it. 158 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 169
2. Open the access panel and ensure the power supply cable is seated into the connector on the system board. 3. Check if a device is causing the problem by removing ALL attached devices (such as hard drives or optical drives and expansion cards). Power on the system. If the system enters POST, then - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 170
within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility in the Storage > Boot Order list. 160 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 171
the power button for four or more seconds to turn off the power. To restart the computer, press the power button again. Solving hard drive problems 161 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 172
Solving media card reader problems Media card will not work in a digital camera after formatting Solution The media card is not inserted properly, is inserted in the wrong slot, or is not supported. Ensure that the card is inserted properly with the gold contact on the correct side. The green - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 173
. 2. During POST (Power On Self-Test), press F9 to modify the boot menu. 3. Change the boot sequence in F10 Computer Setup. Solving media card reader problems 163 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 174
If you encounter display problems, see the documentation that came with the monitor and to the common causes and solutions listed in the Refer to the monitor's user documentation for more information on the on-screen controls and settings. 164 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 175
system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Blank screen and the power LED flashes Red six times, once every features enabled. Disable monitor energy saver feature. Solving display problems 165 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 176
upgraded, the correct graphics drivers may not be loaded. Install the video drivers included in the upgrade monitor. Refer to the documentation that came with the monitor for instructions. Image is not centered. Cause Position may need adjustment. Solution 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 177
than what the monitor supports. Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart , and then under Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced options, select Startup Settings, and then click Restart. problems 167 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 178
's on-screen display menu. graphics card. 2. Manually synchronize the Clock and Clock Phase on- screen display appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/ support Graphics card is not seated properly or is bad (some 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 179
If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Sound cuts in and out. Setup. Enable the internal speaker in Computer Setup. Select Advanced > Device Options > Internal Speaker. Solving audio problems 169 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 180
a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so driver or application In the audio driver or application software, reconfigure the software. jack or set the jack to its default value. 170 Chapter 8 Troubleshooting - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 181
cards support problems, see the documentation that came with the printer and to the common causes and solutions listed in the following table. Printer will not print. Cause Solution Printer is not turned on and online. Turn the printer on and make sure it is online. The correct printer drivers - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 182
memory may be overloaded. Solution Install the correct printer driver for the application. Reconnect all cables. Reset the printer is empty. Solving keyboard and mouse problems If you encounter keyboard or mouse problems, see the documentation that came with Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 183
) and restart. Program in use has stopped responding to commands. Shut down the computer using the keyboard then restart the computer. Solving keyboard and mouse problems 173 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 184
kit available from most computer stores. Solving Hardware Installation Problems You may need to reconfigure the computer when you add In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the Add Hardware Wizard Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 185
DIMM3 must be installed before DIMM4. 2. Observe the beeps and LED lights on the front of the computer. Beeps and flashing LEDs are codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. Solving Hardware Installation - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 186
be installed before DIMM2, and DIMM3 must be installed before DIMM4 3. Replace third-party memory with HP memory. 4. Replace the system board. Power LED flashes Red six times, once every second, followed option card. 3. Replace the system board. 176 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 187
are listed in the following table. These guidelines do not discuss the process of debugging the network cabling. Table 8-2 Solving Network Problems Wake-on-LAN feature is not functioning. Cause S5 Maximum Power Saving feature is enabled. S5 Wake on LAN is disabled (some models). Wake-on- - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 188
list of applications, and then select Device Manager. Network driver is not properly loaded. Reinstall network drivers. System cannot autosense the network. Disable auto-sensing capabilities and force the system into the correct operating mode. 178 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 189
Ensure that the cable is attached to the correct connector. There is a problem with the cable or a device at the other end Ensure that the cable service provider. Diagnostics passes, but the computer does not communicate with the network. Cause Solution Network drivers are not loaded, or driver - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 190
Remote System Installation Server contains the NIC drivers for your NIC. System setup utility reports unprogrammed EEPROM. Cause Solution Unprogrammed EEPROM. Contact an authorized service provider. Solving memory problems If you encounter memory problems, some common causes and solutions are - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 191
. Solution Delete any TSRs that you do not need. Check the memory requirements for the application or add more memory to the computer. Solving memory problems 181 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 192
third-party memory with HP memory. 4. Replace the system board. Solving processor problems If you encounter processor problems, common causes and not support a feature previously enabled on this system. 1. Reinstall the original processor. 182 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 193
check to see if the device is listed within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility and try adding a POST delay under Advanced > PowerOn - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 194
, type c, select Control Panel from the list of applications, and then select Device Manager. 2. Restart the computer and let Windows detect the CD or DVD driver. 184 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 195
correct media for the drive. 3. Try a different brand of media. Quality varies widely between manufacturers. Solving USB flash drive problems If you encounter USB flash drive problems, common causes and solutions are listed in the following table. USB flash drive is not seen as a drive letter in - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 196
outlet. The correct device driver is not installed. 1. Install the correct driver for the device. 2. problems If you encounter Internet access problems, consult your Internet Service is not plugged in. Cable/DSL service is not available or has been service is connected, the "cable" LED light on - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 197
Web server can store temporarily with the Web browser. This is useful for having the browser remember some specific information that the Web server can later retrieve.) Windows 7: 1. Select Start > Control Panel. 2. on to your ISP and launch the desired program. Solving Internet access problems 187 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 198
drivers have been installed. ● If you have installed an operating system other than the factory-installed operating system, check to be sure it is supported on the system. If you encounter software problems Limited Warranty for terms and conditions. 188 Chapter 8 Troubleshooting without diagnostics - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 199
HP logo screen displays. Cause Solution System files may be damaged. In Windows 7, use recovery media to scan hard drive for errors, or use Windows Startup Repair to fix problems Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced options, and then select Automatic - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 200
-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST messages. If a POST error occurs, the screen will display the error message. To manually switch to the POST Messages Enabled mode during POST, press any key (except F10, - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 201
configuration in Advanced > Onboard Devices. Reset the date and time under Control Panel. If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 202
Memory Module Detected ECC Modules not supported on this Platform Description Recommended action the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on -party memory has been added, test using HP-only memory. 4. Verify proper memory module - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 203
Control panel message 301-Keyboard Error Description Keyboard failure. 303-Keyboard Controller Error I/O board keyboard controller. 304-Keyboard or System Unit Error Keyboard failure. 501-Display Adapter Failure Graphics display controller. 510-Flash Screen Image Corrupted Flash Screen - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 204
been detached or unseated from motherboard. Reconnect or replace front USB harness. 921-Device in PCI Express slot failed to initialize There is an incompatibility/problem with this device and the system or PCI Express Link could not be retrained to an x1. Try rebooting the system. If the error - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 205
.) System test under using F2 Diagnostics when booting the computer. 2. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive. 1796-SATA Cabling Error One or more SATA devices are improperly attached. For optimal - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 206
Control panel message 2200-PMM Allocation Error during MEBx Download 2201-MEBx Module did not checksum correctly 2202-PMM Deallocation Error during MEBx cleanup 2203-Setup error during MEBx execution Description Memory error during POST execution of the Management Engine (ME) BIOS Extensions option - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 207
Control panel message Description 2204-Inventory error during MEBx execution BIOS information passed to the MEBx resulted in a failure. 2205-Interface error during MEBx execution MEBx operation experienced a hardware error during communication with ME. 2211-Memory not configured correctly for - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 208
Control panel message Description Recommended action 2220-USB Key Provisioning file has mismatch version Provisioning file contained on the USB key is 1. Reboot the computer. not a valid version for the current ME firmware. 2. If the error persists and system BIOS has been recently updated, - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 209
Control panel message Network Server Mode Active and No Keyboard Attached Parity Check 2 Description Keyboard failure while Network Server Mode enabled. Parity RAM failure. Recommended action 1. Reconnect keyboard with computer turned off. 2. Check connector for bent or missing pins. 3. Ensure - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 210
sink/fan assembly. 4. Contact an authorized reseller or service provider. Processor not installed (not 1. Check to the system board. 2. Check if a device is causing the problem by removing ALL attached devices (such as hard, diskette, or with HP memory. 4. Replace the system board. 200 Chapter 9 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 211
Red Power LED flashes six 6 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Red Power LED flashes seven 7 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 212
action The current processor does 1. Reinstall the original processor. not support a feature previously enabled on this system. System unable to power If it is turned on, then replace the power button harness. If the problem persists, replace the system board. 5. If the 5V_aux light on the system - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 213
security password features, which can be established through the Computer Setup Utilities menu. This computer supports two security password features that are established through the Computer Setup Utilities menu: setup password and power-on password. When you establish only a setup password - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 214
touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the access panel. 4. Locate board components, see the Illustrated Parts & Service Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support. 5. Remove the jumper from pins 1 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 215
these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the computer cover or access panel. CAUTION: Pushing the CMOS button will reset CMOS values to factory - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 216
locating the CMOS button and other system board components, see the Illustrated Parts & Service Map (IPSM). 5. Replace the computer cover or access panel. 6. Reconnect the system setups along with the date and time. For instructions on Computer Setup, see Computer Setup (F10) Utility on page - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 217
the call agent, who will either schedule support or provide replacement parts. How to access and run HP PC Hardware Diagnostics You can run the (to download the diagnostics tools to a USB drive, see the instructions in Downloading HP PC Hardware Diagnostics to a USB device on page 208) b. - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 218
Diagnostics to a USB device 1. Go to http://www.hp.com. 2. Click the Support & Drivers link. 3. Select the Drivers & Software tab. 4. Enter the product name in the text box and click Search. 5. Select your specific computer model. 6. Select your operating system. 7. In the Diagnostic section - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 219
8 Your computer includes tools provided by HP and Windows to help you safeguard your Help and Support. From the Start screen, type help, and then select Help and Support. Creating recovery create a bootable recovery drive that can be used to troubleshoot a computer that is unable to start. The USB - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 220
a recovery drive. Follow the on-screen instructions to continue. ● To create the Windows Support. From the Start screen, type help, and then select Help and Support c, and then select Computer. NOTE: If the HP Recovery partition is not listed, or you cannot media and the Driver Recovery media (purchased separately); - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 221
Troubleshoot. 6. Select Refresh your PC. 7. Follow the on-screen instructions. Recovery using Windows operating system media (purchased separately) To order a Windows operating system DVD, contact support. Go to http://www.hp.com/support operating system, as well as drivers, software, and utilities. - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 222
scanning, or system diagnostics). You can also manually create a system restore point at any time. For more information and steps for creating specific system restore points, see Help and Support. To access Help and Support, select Start > Help and Support. 3. As you add photos, video, music, and - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 223
HP Recovery Manager (select models only) ● To create recovery discs, your computer must have a DVD writer. Use DVD+R or DVD-R discs (purchased separately). The discs you use will depend on the type of optical drive you are using. NOTE: DVD+R DL, DVD-R DL, or DVD±RW disc are not supported specific - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 224
drive. Click Next. 6. Follow the on-screen instructions. When the process is complete, label the USB flash drive and store it drivers or applications. ● Driver Recovery DVD-Installs specific drivers and applications only, in the same way that the HP Software Setup utility installs drivers - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 225
Driver Recovery DVD: 1. Select Start > All Programs > Productivity and Tools > HP Recovery Disc Creator. 2. Select Driver , see Help and Support: Select Start > Help and Support. To create a backup the on-screen instructions to set up your backup. System Restore If you have a problem that might be - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 226
have created, and then reinstalls the operating system, programs, and drivers. However, you must reinstall any software that was not installed on recovery disc set from support. Go to http://www.hp.com/support, select your country or region, and follow the onscreen instructions. NOTE: Always use - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 227
message appears on the screen. 5. At the HP Recovery Manager screen, follow the on-screen instructions to continue. 6. When Windows has loaded, If you used HP Recovery Disc Creator to create a Windows 7 operating system DVD and a Driver Recovery DVD, use the steps in Using HP Recovery Disc operating - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 228
system DVD, contact support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. CAUTION: Using a recovery process helps you restore the operating system, as well as drivers, software, and utilities. To initiate recovery using a Windows 7 operating - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 229
. After the repair is completed: 1. Eject the Windows 7 operating system DVD and then insert the Driver Recovery DVD. 2. Follow the on-screen instructions to install the Hardware Enabling Drivers first, and then install Recommended Applications. Backing up, restoring, and recovering in Windows 7 219 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 230
than 60°C (140ºF). Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water. Replace the battery only with the HP spare designated for this product. CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 231
an internal component to gain access to the battery. 7. Depending on the type of battery holder on the system board, complete the following instructions to replace the battery. Type 1 a. Lift the battery out of its holder. b. Slide the replacement battery into position, positive side up. The battery - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 232
b. Insert the new battery and position the clip back into place. NOTE: After the battery has been replaced, use the following steps to complete this procedure. 8. Replace the access panel. 9. Plug in the computer and turn on power to the computer. 10. Reset the date and time, your passwords, and any - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 233
B Power cord set requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 234
requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) IMQ Austria (1) OVE Japan (3) METI Belgium (1) CEBC - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 235
C Specifications Microtower specifications Chassis Height 14.05 in 357 mm Width Depth 7.2 in 15.82 in 182.9 mm 402 mm Approximate Weight 15.75 lb 90-264 VAC Rated Voltage Range1 Rated Line Frequency Operating Line Frequency 100-240 VAC 50-60 Hz 47-63 Hz Microtower specifications 225 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 236
of not requiring an input voltage range select switch. SFF specifications Chassis (in the desktop position) Height 3.93 in 100 in 33.7 cm 380 mm Approximate Weight 13.0 lb 5.9 kg Weight Supported (maximum distributed load in desktop position) 77 lb 35 kg Temperature Range Operating - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 237
the European Union. The active power factor corrected power supply also has the added benefit of not requiring an input voltage range select switch. SFF specifications 227 - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 238
to VGA, spare part number 16, 20, 26, 29 audible codes 199 audio problems 169 B backup and recovery, Windows 7 212 Backup and Restore, Windows 7 specifications 226 computer cleaning 37 country power cord set requirements 224 Customer Support 151 D DIMMs. See memory disassembly preparation microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 239
problems 174 Help and Support Windows 7 212 helpful hints 152 HP Recovery Disc Creator, using 214 I installing battery 220 microtower 2.5-inch hard drive 71 microtower 3.5-inch hard drive 71 microtower 5.25-inch optical drive 63 microtower drive cables 59 microtower expansion card 51 microtower - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 240
203 power-on 203 setup 203 POST error messages 190 power cord set requirements country specific 224 power problems 158 power supply fan 38 microtower removal and replacement 87 microtower spare part number 87 microtower, spare part number 14, 23 operating voltage range 225, 226 SFF removal and - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 241
microtower DisplayPort connector module 74 microtower fan 86 microtower fan sink 80 microtower front USB panel 76 microtower power supply 87 microtower power switch assembly 78 microtower processor 82 microtower speaker 84 microtower 24, 30, 32 software problems 188 servicing computer 39 solid-state - HP ProDesk 400 G1 Micro | Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 242
specifications computer 225, 226 memory 97 microtower memory 47 static electricity 34 system board microtower removal and replacement 90 microtower spare part number 90 microtower control 36 tools, servicing 39 Torx T15 216 Help and Support 212 steps for and restore 209 Driver Recovery media 211
Maintenance and Service Guide
HP ProDesk 400 G1 Microtower
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