HP Pro 6305 Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine
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- HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 1
Maintenance and Service Guide HP Compaq Pro 6305 Microtower Business PC HP Compaq Pro 6305 Small Form Factor Business PC - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 2
and/or other countries. The only warranties for 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 shall not be liable for technical or editorial errors - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - 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 Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 4
iv About This Book - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 5
3 Microtower (MT) Rear Panel Components 4 Small Form Factor (SFF) Rear Panel Components 5 Serial Number Location ...6 2 Installing and Customizing the Software ...7 Installing the Windows operating system 7 Downloading Windows 7 updates ...8 Installing or upgrading device drivers 8 Customizing - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 6
listing 28 Small Form Factor (SFF) chassis spare parts 31 Computer major components Computer Case 43 Cleaning the Keyboard ...44 Cleaning the Monitor ...44 Cleaning the Mouse ...45 Service Procedures Microtower (MT) Chassis 49 Preparation for Disassembly ...49 Computer Access Panel ...50 Front Bezel - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 7
Power Supply ...88 System Board ...90 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 92 Preparation for Disassembly ...92 Access Panel ...93 Front Bezel ...94 Front Bezel Security ...95 Bezel Blanks ...97 Memory ...98 DIMMs ...98 DDR3-SDRAM DIMMs ...98 Populating DIMM Sockets - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 8
System Board ...134 Using the Small Form Factor Computer in a Tower Orientation 136 8 Troubleshooting Without Diagnostics ...137 Safety and Comfort ...137 Before You Call for Technical Support 137 Helpful Hints ...138 Solving General Problems ...140 Solving Power Problems ...144 Solving Hard Drive - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 9
media 193 Appendix A Battery Replacement ...195 Appendix B Power Cord Set Requirements 198 General Requirements ...198 Japanese Power Cord Requirements 198 Country-Specific Requirements ...199 Appendix C Specifications ...200 MT Specifications ...200 SFF Specifications ...202 Index ...203 ix - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 10
x - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 11
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). Figure 1-1 Microtower Configuration Figure 1-2 Small Form Factor Configuration Standard Configuration Features 1 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 12
Small Form Factor Computer in a Tower Orientation on page 136 in this guide. Microtower (MT Dual-State Power Button 3 Microphone/Headphone Connector 7 Power On Light 4 USB (Universal Serial Bus) 2.0 Ports 8 Headphone Connector NOTE: When a device a microphone Line-In device or a headphone. You - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 13
device or a headphone. You can reconfigure the connector at any time in the Realtek HD Audio Manager. NOTE: The Power On Light is normally green when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code. Small Form Factor (SFF) Front - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 14
Microtower (MT) Rear Panel Components Figure 1-4 Rear Panel Components Table 1-3 Rear Panel Components 1 Power Cord Connector 2 Line-In Audio Connector (blue) 6 Line-Out Connector for powered audio devices (green) 7 PS/2 Keyboard Connector (purple) 3 PS/2 Mouse Connector (green) 8 VGA - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 15
system board may be used at the same time. However, for other non-AMD/ATI graphics cards, the video connectors will only be functional on the graphics card. If inserting a wireless receiver, use a USB 2.0 port that is separated from USB 3.0 devices. Small Form Factor (SFF) Rear Panel Components 5 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 16
number that are located on the top cover of the computer. Keep these numbers available for use when contacting customer service for assistance. Figure 1-6 Microtower Serial Number and Product ID Location Figure 1-7 Small Form Factor Serial Number and Product ID Location 6 Chapter 1 Product Features - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 17
computer with HP Total Care before installing the operating system. You will see a brief movie followed by an online registration form. Fill out the form, click the Begin button, and follow the instructions on the screen. CAUTION: Do not add optional hardware or third-party devices to the computer - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 18
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 Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 19
Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices. ● Modify - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 20
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 computer power OFF while the BIOS is saving the Computer - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 21
Setup-File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-2 Computer Setup-File Option System Information About Set Time and Date Flash System ROM Replicated Setup Default Setup Apply Defaults and Exit Ignore Changes and Exit - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 22
Setup-Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-3 Computer Setup-Storage Option Device Configuration Description Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 23
of the three options. Operating systems usually do not require additional driver support in IDE mode. IDE Mode- Allows software to communicate with the SATA controller like a traditional PATA controller using natively assigned PCI resources. The difference between it and Legacy Mode IDE is that - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 24
F9 (skipping the boot menu) when the monitor light turns green. After POST is completed, a list of bootable devices is displayed. Use the arrow keys to select the preferred bootable device and press Enter. The computer then boots from the selected non-default device for this one time. 14 Chapter - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 25
Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-4 Computer Setup-Security Option Description Setup Password Allows you to set and enable a setup (administrator) password. NOTE: If the setup password is set, it is - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 26
Computer Setup-Security (continued) Device Security Allows you to set Device Available/Device Hidden (default is Device Available) for: ● Embedded security device PCI or PCI Express slot. Default is enabled. Network Service Boot Enables/disables the computer enabled, the BIOS prevents any changes - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 27
turning the computer off and then back on. Default is enabled. Embedded Security Device Support (some keys. Changing this setting requires turning the computer off and then back on. CAUTION: The embedded security device is a critical component of many security schemes. Erasing the security keys - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 28
NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-5 Computer Setup- the LED off. S1 (no longer supported) and S3 use 1 blink per second. SATA Power Management - Enables or disables SATA bus and/or device power management. Default is enabled. - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 29
needed for hard disks on some PCI cards that spin up very slowly, BIOS. Default is disabled. Execute Memory Test Restarts the computer and executes the POST memory test. (some models) BIOS Power-On Allows you to set the computer to turn on automatically at a time you specify. Onboard Devices - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 30
Size). Allows you to automatically or manually set UMA video size. Default is PCI cards which may need option ROM space. Default is enabled. ● NetClone Option ROM Download (enable/disable) (some models). This BIOS support under the OS. Default is enabled. 20 Chapter 3 Computer Setup (F10) Utility - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 31
relies on the operating system to configure the solution. Allows you to set: ● ASF Support (enable/disable). Allows you to enable or disable ASF. Default is enabled. ● ASF BIOS Mode (On/Alert Only/Off). Allows you set ASF BIOS mode to on, off, or only send alerts. Default is On. ● ASF Watchdog - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 32
4 Illustrated parts catalog Microtower (MT) chassis spare parts Computer major components 22 Chapter 4 Illustrated parts catalog - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 33
For use in NetClone models * Memory modules (PC3-12800, 1600-MHz) 8-GB 4-GB 2-GB * Processors (include replacement thermal material) AMD A10-5800B, 3.8 GHz, 4-MB L2 cache (100-W), HD 7660D AMD A8-5500B, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D AMD A6-5400B, 3.6 GHz, 4-MB L2 cache (65 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 34
, 18 inch, 1 straight end, 1 angled end (labeled; not illustrated) SATA cable, 17.7 inch, 2 straight ends DMS-59 to dual VGA cable Adapter, DisplayPort to VGA Adapter, DisplayPort to DVI Adapter, DVI-I to VGA 24 Chapter 4 Illustrated parts catalog Spare part number 646827-001 646834-001 646833-001 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 35
, DVI-D to VGA * DMS-59 to dual DVI cable * Adapter, DisplayPort to HDMI * DisplayPort cable * SATA power extension cable * not illustrated lock Printer port, PCI card Spare part number 645326-001 585884-001 638816-001 645330-001 641498-001 638817-001 Microtower (MT) chassis spare parts - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 36
included) Rear chassis fan Fan duct assembly Serial port, PCI card 2.5-in drive adapter Hard drive conversion bracket Grommet, hard drive isolation, blue (non-ECO) * eSATA port assembly, PCI card * Antenna for use with WLAN card * HP Business Digital Headset * External USB Webcam * Foot - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 37
China) AMD Radeon HD7450 PCIe x16 graphics card, 1 GB AMD Radeon HD6350 PCIe x16 graphics card, 512 MB HP FireWire / IEEE 1394a PCIe x1 Card HP WLAN 802.11 g/n 1x2 PCIe NIC HP USB 3.0 SuperSpeed PCIe x1 card HP USB 637591-001 538048-001 663213-001 663214-001 Microtower (MT) chassis spare parts 27 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 38
-001 631411-xx4 603250-001 632486-001 633756-001 634824-001 Description Adapter, DVI-I to VGA Feet Hard drive conversion bracket Grommet, hard drive isolation, blue DMS-59 to dual VGA cable DMS-59 to dual VGA DVI DisplayPort cable Clamp lock, includes universal cable (plate not included) PS/2 basic - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 39
drive, SATA 2.0 Adapter, DisplayPort to DVI HP USB 3.0 SuperSpeed PCIe x1 card HP USB 3.0 SuperSpeed power extension cable (for use with 663213-001) 128-GB Solid-state drive, SATA 2.0 Memory module, 2-GB, PC3 12800, CL11) Memory module, 4-GB, PC3 10600, 1333-MH Microtower (MT) chassis spare parts - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 40
AMD Radeon HD7450 PCIe x16 graphics card, 1 GB GeForce GT630 PCIe x16 graphics card, 2 GB Memory AMD A10-5800B, 3.8 GHz processor , 4-MB L2 cache (100-W), HD 7660D AMD A4-5300B processor, 3.4 GHz, 4-MB L2 cache (65-W), HD 7480D AMD A6-5400B, 3.6 GHz processor, 4-MB L2 cache (65-W), HD 7540D AMD - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 41
Small Form Factor (SFF) chassis spare parts Computer major components Item (1) (2) (3) (4) * Description Front Memory modules (PC3-12800, 1600-MHz) 8-GB Spare part number 687950-001 570838-001 583653-001 613762-001 613763-001 703596-001 710096-001 646815-001 689375-001 Small Form Factor (SFF - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 42
Item Description 4-GB 2-GB * Processors (include replacement thermal material) AMD A10-5800B, 3.8 GHz, 4-MB L2 cache (100-W), HD 7660D AMD A8-5500B, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D AMD A6-5400B, 3.6 GHz, 4-MB L2 cache (65-W), HD 7540D AMD A4-5300B, 3.4 GHz, 4-MB L2 cache (65-W), HD - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 43
* Adapter, DisplayPort to HDMI * DisplayPort cable * SATA power extension cable * not illustrated Spare part number 636926-001 638813-001 636923-001 638814-001 463023-001 463024-001 603250-001 662723-001 202997-001 657401-001 617450-001 487562-001 633756-001 Small Form Factor (SFF) chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 44
Item (1) (2) (3) (4) (5) (6) (7) Description Chassis fan Fan duct (not illustrated) Heat sink (includes replacement thermal material) Speaker Solenoid lock Printer port, PCI card Hood sensor 34 Chapter 4 Illustrated parts catalog Spare part number 645327-001 636921-001 645326-001 636925-001 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 45
feet Chassis stand Serial port, PCI card (not illustrated) 2.5-in drive adapter (not illustrated) Hard drive eSATA port assembly, PCI card (not illustrated) * Antenna for use with 538048-001 (not illustrated) * HP Business Digital Headset (not Small Form Factor (SFF) chassis spare parts 35 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 46
card, 1 GB (for use only in China) AMD Radeon HD7450 PCIe x16 graphics card, 1 GB AMD Radeon HD6350 PCIe x16 graphics card, 512 MB HP FireWire / IEEE 1394a PCIe x1 Card HP WLAN 802.11 g/n 1x2 PCIe NIC HP USB 3.0 SuperSpeed PCIe x1 card HP USB 3.0 SuperSpeed power extension cable (for use with - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 47
320W, 90% efficient 320W, standard Adapter, DisplayPort to HDMI Mouse, washable Smart card keyboard Adapter, DisplayPort to VGA nVidia Quadro NVS300 PCIe x16 graphics card, 512 MB SATA power extension cable 320-GB, 7200-rpm hard drive, 2.5 inch, SED Small Form Factor (SFF) chassis spare parts 37 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 48
, PCI card Solenoid lock HP Business Digital Headset Heat sink Chassis fan eSATA port assembly, PCI card 160-GB Solid-state drive, SATA3.0 Access panel Adapter, DVI-D to VGA 16X SATA DVD±RW drive 120-GB Solid-state drive, SATA 2.0 Adapter, DisplayPort to DVI 128-GB Solid-state drive, SATA 2.0 Memory - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 49
AMD Radeon HD7450 PCIe x16 graphics card, 1 GB Front bezel Memory AMD A6-5400B processor, 3.6 GHz, 4-MB L2 cache (65-W), HD 7540D AMD A8-5500B processor, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D System board for use in NetClone models (includes replacement thermal material) Small Form Factor (SFF - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 50
service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer at all and can work perfectly throughout a normal cycle. The device may function normally for a while, but it has been degraded - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 51
Removing DIPs from vinyl tray 2,000 V Removing DIPs from Styrofoam 3,500 V Removing bubble pack from PCB 7,000 V Packing PCBs in foam-lined box 5,000 V These are then multi-packaged inside plastic tubes, trays, or Styrofoam. 4,000 V 5,000 V 20,000 V 11,000 V 11,500 V 14,500 V 26,500 V 21, - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 52
such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are 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 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 53
. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ● Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other foreign matter can block the vents and limit the airflow. Be sure - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 54
on page 43 before cleaning the keyboard. To clean the tops of the keys or the keyboard body, follow the procedures described in Cleaning the Computer Case on page 43. When cleaning debris from under the keys, review all rules in General Cleaning Safety Precautions on page 43 before following these - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 55
prevent system board or component damage. Tools and Software Requirements To service the computer, you need the following: ● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001) ● Torx T-15 screwdriver with small diameter shank (for certain front bezel removal) ● Flat-bladed screwdriver - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 56
being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in their on in this guide for instructions on the replacement procedures. WARNING! This computer contains a lithium or return them to HP, their authorized partners, or their agents. 46 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 57
HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop drives for the HP Personal Computers have built-in computer. ● Keep cables away from major heat sources like the heat sink. ● Do not jam cables on top of expansion cards or memory - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 58
drive sizes are calculated, the size reported by the operating system may differ from that marked on the hard drive or listed in the computer specification. Drive size calculations by drive manufacturers are bytes to the base 10 while calculations by Microsoft are bytes to the base 2. File System - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 59
6 Removal and Replacement Procedures Microtower (MT) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 60
to lift the access panel off the unit (2). NOTE: You may want to lay the computer on its side to install internal parts. Be sure the side with the access panel is facing up. Figure 6-1 Removing the Computer Access Panel 50 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 61
Front Bezel Description Front bezel Spare part number 689377-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 49) 2. Remove the access panel (Computer Access Panel on page 50) 3. Lift up the three tabs on the side of the bezel (1), then rotate the bezel off the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 62
internal components of the computer. 5. Remove the access panel and front bezel. 6. Remove the security screw from the inside of the front bezel. Figure 6-3 Retrieving the Front Bezel Security Screw 7. Replace the front bezel. 52 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 63
hard drive bay and speaker. Figure 6-4 Installing the Front Bezel Security Screw 9. Replace the access panel. 10. Reconnect the power cord and turn on the computer. 11. Lock any security devices that were disengaged when the access panel was removed. Front Bezel Security 53 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 64
need to be removed before installing a drive. To remove a bezel blank: 1. Remove the access panel (Computer Access Panel on page 50) 2. Remove the front bezel (Front Bezel on page 51) 3. To remove 6-5 Removing a Bezel Blank 54 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 65
2-GB, PC3-12800 Spare part number 689375-001 671613-001 671612-001 The computer comes with double data rate 3 synchronous dynamic random access memory (DDR3SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can be populated with up to four industry-standard - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 66
a memory module, be careful not to touch any of the contacts. Doing so may damage the module. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 49) 2. Remove the access panel (Computer Access Panel on page 50) 56 Chapter 6 Removal and Replacement Procedures Microtower (MT - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 67
install any additional modules. 6. Replace the computer access panel. 7. Reconnect the power cord and turn on the computer. 8. Lock any security devices that were disengaged when the access panel was removed. The computer should automatically recognize the additional memory the next time you turn on - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 68
Disassembly on page 49) 2. Remove the access panel (Computer Access Panel on page 50) 3. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis. 58 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 69
4. Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the open position. Figure 6-7 Opening the Expansion Slot Retainer 5. Before - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 70
inside of the chassis to release it from the chassis frame. Be sure not to scrape the card against the other components. Figure 6-10 Removing a PCI Express x16 Expansion Card 6. Store the removed card in anti-static packaging. 60 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 71
cables to the installed card, if needed. Connect internal cables to the system board, if needed. 11. Replace the computer access panel. 12. Reconnect the power cord and turn on the computer. 13. Lock any security devices that were disengaged when the access panel was removed. 14. Reconfigure the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 72
or 2nd Optical Drive if an ESATA Adapter Cable exists 1st Hard Drive Serial Port Parallel Port Second Media Card Reader USB Device, such as a Media Card Reader Hood Sensor USB Device, such as a Media Card Reader Expansion Card 62 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 73
Connector System Board Label 18 PCI Express x16 downshifted X4PCIEXP to a x4 19 PCI Express x16 X16PCIEXP 20 PCI PCI1 Color white black white connector on the system board labeled SATA1. ● Connect an optional eSATA adapter cable to the black SATA connector on the system board labeled ESATA. - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 74
them in the new hard drive. Figure 6-13 Extra Guide Screw Locations No. Guide Screw 1 Black M3 Metric Screws 2 Silver and Blue 6-32 Isolation Mounting Screws Device All Drives (except hard drives) Secondary Hard Drive 64 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 75
down the operating system properly, turn off the computer, and unplug the power cord. Do not remove a drive while the computer is on or in standby mode. Before hard drive bay NOTE: The drive configuration on your computer may be different than the drive configuration shown above. To verify the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 76
a drive before removing the drive from the computer. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 49) 2. Remove the access panel (Computer Access Panel on page 50) 3. Remove the Reader USB Cable 66 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 77
Figure 6-17 Removing the Drives Installing a 5.25-inch or 3.5-inch Drive into a Drive Bay 1. Prepare the computer for disassembly (Preparation for Disassembly on page 49) 2. Remove the access panel (Computer Access Panel on page 50) 3. Remove the front bezel (Front Bezel on page 51) 4. If you are - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 78
Guide Screws (Optical Drive Shown) 6. Slide the drive into the drive bay, making sure to align the guide screws with the guide slots, until the drive snaps into place. Figure 6-19 Sliding the Drives into the Drive Cage 68 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 79
7. Connect the power and data cables to the drive as indicated in the following illustrations. a. If you are installing an optical drive, connect the power cable (1) and data cable (2) to the back of the drive. NOTE: The power cable for the optical drives is a two-headed cable that is routed from - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 80
computer access panel. 10. Reconnect the power cord and any external devices, then turn on the computer. 11. Lock any security devices guide screws (two on each side) from the old drive. You will need these screws to install a new drive. 70 Chapter 6 Removal and Replacement Procedures Microtower (MT - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 81
into an Internal Drive Bay NOTE: The system does not support Parallel ATA (PATA) hard drives. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 49) 2. Remove the access panel (Computer Access Panel on page 50) 3. Install guide screws on the sides of the drive. If you are - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 82
in the Adapter Bracket ◦ Install four 6-32 silver and blue isolation mounting guide screws in the adapter bracket (two on each side of the bracket). Figure 6-26 Installing Isolation Mounting Guide Screws in the Adapter Bracket 72 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 83
guide screws with the guide to avoid any hard drive performance problems. If you are adding a second computer access panel. 9. Reconnect the power cord and any external devices, then turn on the computer. 10. Lock any security devices key provided and slide the carrier out of the enclosure. Drives 73 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 84
of the hard drive (1) and move the thermal sensor away from the carrier (2). Figure 6-29 Removing the Thermal Sensor 74 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 85
4. Remove the four screws from the bottom of the hard drive carrier. Figure 6-30 Removing the Security Screws 5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. Figure 6-31 Removing the Hard Drive Drives 75 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 86
in the bottom of the carrier to hold the drive securely in place. Figure 6-33 Replacing the Security Screws 76 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 87
the carrier to secure the cover in place (2). Figure 6-35 Replacing the Carrier Cover 10. Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive. Drives 77 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 88
assembly Spare part number 585884-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 49). 2. Remove the access panel (Computer Access Panel on page 50). 3. Remove the cables labeled CHFAN. 78 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 89
the lever that secures the assembly to the chassis (1), pivot the assembly forward toward the front of the computer (2), and then lift the assembly straight up and out of the computer (3). Figure 6-37 Removing the front fan assembly To reinstall the front fan, reverse the removal procedure. Front - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 90
right . Figure 6-39 Removing the front I/O assembly 8. Pull the assembly away from the computer while threading the wires through the hole in the front of the chassis. To reinstall the assembly, reverse the removal procedure. 80 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 91
page 51). 4. Remove the front fan (Front Fan Assembly on page 78). 5. Disconnect the cable from the system board connector labeled PB/LED. 6. With the computer on its side, press on the tabs on the bottom of the assembly (1) to disengage the assembly from the chassis, and then rotate the bottom - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 92
the heat sink and the processor may be very tight. If the computer will power on, before removing the heat sink, turn on the computer until it warms the heat sink. Warming the heat sink lessens the replacing the system board. 82 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 93
5. Lift the heat sink from atop the processor. When reinstalling the heat 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 processor. CAUTION: Heat sink retaining screws should be tightened in diagonally opposite pairs - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 94
new processor onto the system board, update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. 84 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 95
for disassembly (Preparation for Disassembly on page 49). 2. Remove the access panel (Computer Access Panel on page 50). 3. Remove the front fan assembly (Front Fan Assembly on page 78). 4. Disconnect the speaker wire from the system board connector - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 96
panel (Computer Access Panel on page 50). 3. Remove the four silver Phillips screws that secure the fan to the chassis. Figure 6-42 Rear fan screws 4. Disconnect the fan control cable (1) from the system board connector labeled CHFAN2. 86 Chapter 6 Removal and Replacement Procedures Microtower (MT - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 97
5. Lift the fan out of the chassis (2). Figure 6-43 Removing the rear fan To install the fan assembly, reverse the removal procedure. Be sure to orient the air flow out of the unit. Rear Chassis Fan 87 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 98
part number 613764-001 613765-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 49). 2. Remove the access panel (Computer Access Panel on page 50). 3. Disconnect the power that holds it in place. 88 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 99
7. Slide the power supply toward the front of the computer (2), rotate toward the fan so the power supply clears the lip on the top of the chassis, and then lift the power supply out of - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 100
. 6. Remove the eight Torx T15 screws that secure the system board to the chassis. Figure 6-46 System board screws 90 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 101
the rear of the system board up at an angle, and then lift the system board out of the computer. Figure 6-47 System board screws When reinstalling the system board, first insert the I/O panel back into the the system board, you must change the chassis serial number in the BIOS. System Board 91 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 102
, noting its position and routing. Keep all screws with the units removed. CAUTION: The screws used in the computer are of different thread sizes and lengths; using the wrong screw in an application may damage the unit. 92 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 103
Access Panel Description Access panel Spare part number 646815-001 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. Lift up on the access panel handle (1) then lift the access panel off the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 104
Front Bezel Description Front bezel Spare part number 687950-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 92). 2. Remove the access panel front bezel, reverse the removal procedure. 94 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - 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. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as compact discs or USB flash drives, from the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 106
the access panel. 11. If the computer was on a stand, replace the stand. 12. Reconnect the power cord and turn on the computer. 13. Lock any security devices that were disengaged when the access panel was removed. 96 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 107
Bezel Blanks Description 3.5-inch bezel blank 5.25-inch bezel blank, optical drive Spare part number 583653-001 570838-001 On some models, there are bezel blanks covering the 3.5-inch and 5.25-inch external drive bays that need to be removed before installing a drive. To remove a bezel blank: 1. - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 108
The computer comes with double data rate 3 synchronous dynamic random access memory (DDR3SDRAM) dual inline memory modules (DIMMs). DIMMs The memory in memory channel B. Sockets DIMM3 and DIMM4 operate in memory channel A. 98 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 109
in one channel only. ● The system will operate in a higher-performing dual channel mode if the total memory capacity of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B. The technology and device width can vary between the channels. For example, if Channel A is - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 110
and turn on the computer. 10. Lock any security devices that were disengaged when the access panel was removed. The computer should automatically recognize the additional memory the next time you turn on the computer. 100 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 111
-001 538048-001 663213-001 663214-001 The computer has one PCI expansion slot, one PCI Express x1 expansion slot, one PCI Express x16 expansion slot, and one PCI Express x16 expansion slot that is downshifted to a x4 slot. NOTE: The PCI and PCI Express slots support only low profile cards. You can - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 112
4. Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the open position of the chassis. Figure 7-8 Removing an Expansion Slot Cover 102 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 113
to release it from the chassis frame (2). Be sure not to scrape the card against the other components. Figure 7-9 Removing a Standard PCI Expansion Card 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 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 114
10. Connect external cables to the installed card, if needed. Connect internal cables to the system board, if needed. 104 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 115
turn on the computer. 14. Lock any security devices that were disengaged when the access panel was removed. 15. Reconfigure the computer, if necessary. blue dark blue black black black Component Memory Module Memory Module Memory Module Memory Module eSATA Adapter Cable 1st Optical Drive (unused) - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 116
black 17 PCI Express x1 X1PCIEXP1 18 PCI Express x16 downshifted X4PCIEXP to a x4 19 PCI Express x16 X16PCIEXP 20 PCI PCI1 Drive (SSD), SATA 2.0 Component USB Device, such as a Media Card Reader Hood Sensor USB Device, such as a Media Card Reader Expansion Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 117
the storage devices installed in the computer, run Computer Setup. labeled SATA2. ● Connect an optional eSATA adapter cable to the black SATA connector on not support Parallel ATA (PATA) optical drives or PATA hard drives. ● You must install guide screws in place. HP has provided extra guide screws for - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 118
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. Rotate the drive cage to its upright position. 108 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 119
up and out of the drive cage (2). Figure 7-16 Removing the 5.25-inch Drive Installing a 5.25-inch Drive into a Drive Bay 1. Prepare the computer for disassembly (Preparation for Disassembly on page 92). 2. Remove the access panel (Access Panel on page 93). 3. If you are installing a drive in a bay - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 120
Guide Screws in the Optical Drive 5. Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive toward the front of the computer these guides before connecting it to the optical drive. 110 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 121
down. 11. Replace the front bezel (if removed) and access panel. 12. If the computer was on a stand, replace the stand. 13. Reconnect the power cord and turn on the computer. 14. Lock any security devices that were disengaged when the access panel was removed. Removing a 3.5-inch Drive from a Drive - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 122
, then lift it up and out of the drive cage (2). Figure 7-20 Removing a 3.5-inch Drive (Media Card Reader Shown) 112 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 123
drive) use M3 metric screws. The HP-supplied M3 metric screws are black and the HP-supplied 6-32 standard screws are silver. Refer Guide Screws (Media Card Reader Shown) 4. Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive toward the front of the computer - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 124
for an illustration of the system board drive connectors. 6. Replace the 5.25-inch drive. 7. Replace the front bezel (if removed) and access panel. 8. If the computer was on a stand, replace the stand. 114 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 125
the power cord and turn on the computer. 10. Lock any security devices that were disengaged when the access panel located under the power supply. To remove and replace the hard drive: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 92). 2. Remove the access panel (Access - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 126
26 Removing the Hard Drive 7. 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. Figure 7-27 Installing Hard Drive Guide Screws 116 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 127
guide system board to avoid any hard drive performance problems. 10. Rotate the drive cage for internal computer was on a stand, replace the stand. 13. Reconnect the power cord and turn on the computer. 14. Lock any security devices key provided and slide the carrier out of the enclosure. Drives 117 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 128
of the hard drive (1) and move the thermal sensor away from the carrier (2). Figure 7-30 Removing the Thermal Sensor 118 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 129
4. Remove the four screws from the bottom of the hard drive carrier. Figure 7-31 Removing the Security Screws 5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. Figure 7-32 Removing the Hard Drive Drives 119 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 130
in the bottom of the carrier to hold the drive securely in place. Figure 7-34 Replacing the Security Screws 120 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 131
the carrier to secure the cover in place (2). Figure 7-36 Replacing the Carrier Cover 10. Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive. Drives 121 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 132
636921-001 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 removal procedure. 122 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 133
Assembly Description Front fan Spare part number 645327-001 The front fan assembly is attached to the front of the chassis. 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 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 134
To install the front fan, reverse the removal procedure. Be sure to orient the air flow into the unit. 124 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 135
Sensor Description Hood sensor Spare part number 638816-001 The hood sensor is attached in a slot in the rear of the chassis. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 92). 2. Remove the access panel (Access Panel on page 93). 3. Unplug the sensor cable from the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 136
to the front of the chassis. Push the assembly into the chassis to remove. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 92). 2. Remove the access panel (Access Panel on of the chassis. 126 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 137
Route the cables through the slots beneath the drive cage, rotate the assembly into the chassis (2), and then remove the assembly from the computer. Figure 7-42 Removing the front I/O, power switch/LED assembly screw To install the front I/O and power switch assembly, reverse the removal procedure - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 138
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 the removal procedures. 128 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 139
the pins. The heat sink is secured atop the processor with four captive Torx screws. The heat sink does not include a fan. 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 fan duct (Fan duct on - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 140
the heat sink on the processor to avoid damage that could require replacing the system board. Failure to install the fan duct may cause the computer to overheat. 130 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 141
-5500B, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D AMD A6-5400B, 3.6 GHz, 4-MB L2 cache (65-W), HD 7540D AMD A4-5300B, 3.4 GHz, 4-MB L2 cache (65-W), HD 7480D Spare part number 703598-001 703601-001 703600-001 703599-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 92 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 142
that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. Power Supply Description Power supply the drive cage. 132 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 143
7. Pull the power supply forward until the posts on the power supply move forward in the power supply bracket, and then lift the power supply straight up and out of the chassis. Figure 7-47 Removing the power supply To install the power supply, reverse the removal procedure. CAUTION: When installing - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 144
part number 703596-001 710096-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 92). defective system board and installed on the replacement system board: ● Memory modules (Memory on page 98) ● Expansion cards (Expansion Card on page Small Form Factor (SFF) Chassis - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 145
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. CAUTION: Before reinstalling the heat sink you must clean the top of the processor and the bottom of the heat sink with an alcohol pad - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 146
Using the Small Form Factor Computer in a Tower Orientation The Small Form Factor computer can be used in a tower orientation. The HP logo plate on the front bezel is adjustable for either desktop or tower orientation. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 92). - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 147
, 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 Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 148
online support information, software and drivers, proactive notification, and worldwide community of peers and HP experts. If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that your service call is handled properly: ● Be in front of your computer - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 149
, press the power button to start the computer. ● Reconfigure the computer after installing a non-plug and play expansion board or other option. See Solving Hardware Installation Problems on page 159 for instructions. ● Be sure that all the needed device drivers have been installed. For example, if - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 150
. Solution First, reset the date and time under Control Panel (Computer Setup can also be used 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 dealer or - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 151
locked. Solution Unlock the Smart Cover Lock using Computer Setup. The Smart Cover FailSafe Key, a device for manually disabling the Smart Cover Lock, is available from HP. You will need the FailSafe Key in case of forgotten password, power loss, or computer malfunction. Order PN 166527-001 for the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 152
in the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. Computer powered off automatically and the Power LED sink/fan assembly. 4. Contact an authorized reseller or service provider. 142 Chapter 8 Troubleshooting Without Diagnostics - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 153
System does not power on and the LEDs on the front of the computer are not flashing. Cause Solution System unable to power on. Press and hold the power button for less light on the system board is off, then replace the power supply. 6. Replace the system board. Solving General Problems 143 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 154
internal power supply fault. Contact an authorized service provider to replace the power supply. Computer powered off automatically and the Power LED on the system board. 3. Check if a device is causing the problem by removing ALL attached devices (such as hard or optical drives, and expansion - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 155
on page 159 section. If the system still does not recognize the new device, 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 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 156
Drive Problems ( Computer Setup. Run the Computer Setup utility and ensure Device Available is selected for the device's SATA port in Security > Device Security. Boot order is not correct. Run the Computer computer, press the power button again. 146 Chapter 8 Troubleshooting Without Diagnostics - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 157
position. Insert the key and turn the lock clockwise 90 degrees. The green LED on the front of the enclosure should be on. Power cable from the computer power supply to the has Shut down the computer and contact HP for a replacement been activated. enclosure. Solving Hard Drive Problems 147 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 158
8-4 Solving Media Card Reader Problems A write-protected or locked error occurs when attempting to write to the media card. Cause Solution Media card is locked. Locking the media card is a safety feature that prevents writing to and deleting from an SD/ Memory Stick/PRO card. If using an SD - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 159
cards are not recognized by the computer. Cause Solution The operating system needs time to recognize the device if the reader was just installed into the computer and you are turning the PC on for the first time. Wait media card during the boot process. Solving Media Card Reader Problems 149 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 160
but LEDs continue flashing.) Cause Solution Pre-video memory error. 1. Reseat DIMMs. Power on the 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. 150 Chapter 8 Troubleshooting Without Diagnostics - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 161
second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but , followed by a two second pause, and the computer beeps seven times. (Beeps stop after fifth iteration but Install the video drivers included in the upgrade kit. drivers may not be loaded - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 162
. Refer to the documentation that came with the monitor for instructions. Image is not centered. Cause Position may need adjustment. supports. Solution Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart the computer Troubleshooting Without Diagnostics - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 163
display menu. the graphics card. 2. Manually synchronize the Clock and Clock Phase on download either SP32347 or SP32202: http://www.hp.com/support Graphics card is not seated properly or is Cause The font you are using does not support that particular symbol. Solution Use the Character Map - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 164
the internal speaker in Computer Setup. Select Advanced > Device Options > Internal Speaker. The application is set to use a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection, so multiple audio devices may be listed in Device Manager. Make sure - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 165
support audio over the DisplayPort connection, so multiple audio devices may be listed in Device Manager. Make sure the correct device is being used. Make sure the application has selected the correct audio device. Set the operating system to use the correct audio device. Solving Audio Problems - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 166
Table 8-7 Solving Printer Problems Printer will not print. Cause Printer is not turned on and online. The correct printer drivers for the application are may not be connected properly. Printer memory may be overloaded. Solution Install the correct printer driver for the application. Reconnect all - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 167
Problems Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected. 1. On the Windows 7 Desktop use the arrow keys. The Num Lock key can be disabled (or enabled) in Computer Setup. Table 8-9 Solving Mouse Problems Mouse does not - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 168
Problems (continued) Mouse does not respond to movement or is too slow. Cause Mouse may need cleaning. Mouse may need repair. Computer . Otherwise, the computer will shut down and from most computer stores. computer is equipped with USB 3.0 ports, connected USB 3.0 devices with USB 3.0 devices. If you - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 169
must be installed before DIMM2, and 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 Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 170
3. Replace third-party memory with HP memory. 4. Replace the system board. Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. replace bad option card. 3. Replace the system board. 160 Chapter 8 Troubleshooting Without Diagnostics - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 171
of debugging the network cabling. Table 8-11 Solving Network Problems Wake-on-LAN feature is not functioning. Cause S5 Maximum device to wake the computer. Network driver does not detect network controller. Cause Network controller is disabled. Incorrect network driver. Solution 1. Run Computer - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 172
cable and device at the other end are operating correctly. Under the Computer Setup Advanced menu, change the resource settings for the board. Contact an authorized service provider. Diagnostics passes, but the computer does not communicate with the network. Cause Solution Network drivers are - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 173
the Remote System Installation Server contains the NIC drivers for your NIC. System setup utility reports unprogrammed EEPROM. Cause Unprogrammed EEPROM. Solution Contact an authorized service provider. Solving Memory Problems If you encounter memory problems, some common causes and solutions are - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 174
Too many Terminate and Stay Resident programs (TSRs) are installed. You have run out of memory for the application. Solution Delete any TSRs that you do not need. Check the memory requirements for the application or add more memory to the computer. 164 Chapter 8 Troubleshooting Without Diagnostics - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 175
pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or third-party memory with HP memory. 4. Replace the system board. Solving Processor Problems If you encounter processor problems, common causes - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 176
on page 159 section. If the system still does not recognize the new device, 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 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 177
Table 8-14 Solving CD-ROM and DVD Problems (continued) Movie will not play in the DVD drive. Cause -ROM or DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording or copying CDs is difficult or - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 178
Drive Problems device is attached to a USB port that has been hidden in Run the Computer Setup utility and ensure that "Device Computer Computer Setup utility. Solution Run the Computer Setup utility and change boot sequence in Storage > Boot Order. Run the Computer Order. The computer boots to DOS - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 179
on the computer are disabled in Computer Setup. Run the Computer Setup utility and ensure that Device available is selected for appropriate USB ports under Security > USB Security. Solving Internet Access Problems If you encounter Internet access problems, consult your Internet Service Provider - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 180
. 3. Click on Device Manager. 4. Double-click Modems. 5. Double-click Agere Systems PCI-SV92PP Soft Modem. 6. On the General tab, click Diagnostics. 7. Click Query Modem. A "Success" response indicates the modem is connected and working properly. 170 Chapter 8 Troubleshooting Without Diagnostics - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 181
operating system, check to be sure it is supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. Table 8-18 Solving Software Problems Computer will not continue and no HP logo screen has appeared. Cause Solution POST error - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 182
the computer to an authorized reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords if they are set. Refer to the number listed in the warranty or in the Support Telephone Numbers guide for technical assistance. 172 Chapter 8 Troubleshooting Without - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 183
as memory count and non-error text 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, F11, or F12). The default mode is POST Message Disabled. The speed at which the computer loads - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 184
Board Failure DMA or timers. 110-Out of Memory Space for Option ROMs Recently added PCI expansion card contains an option ROM too large board. 1. If a PCI expansion card was recently added, remove it to see if the problem remains. 2. In Computer Setup, set Advanced > Device Options > NIC PXE - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 185
time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. Reset the date and time under Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 186
computer turned off. 2. Ensure that none of the keys are depressed. 3. Replace the keyboard. 4. Replace the system board. 501-Display Adapter Image Corrupted Flash Screen image has errors. Reflash the system ROM with the latest BIOS image. 511-CPU, CPUA, or CPUB Fan not Detected CPU fan is - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 187
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 page 186.) 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. 1155-Serial Port Address - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 188
Engine (ME) BIOS Extensions option ROM. 2. Reboot the computer. Unplug the power cord, re-seat the memory modules, and reboot the computer. 3. If the memory configuration was recently changed, unplug the computer, restore the original memory configuration, and reboot the computer. 4. If the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 189
MEBx Module did not checksum correctly Memory error during POST execution of the 1. Management Engine (ME) BIOS Extensions option ROM. 2. Reboot the computer. Unplug the power cord, re-seat the memory modules, and reboot the computer. 3. If the memory configuration was recently changed, unplug - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 190
memory module in the black DIMM1 socket and that it is properly seated. 2212-USB Key Provisioning failure writing to USB device used for USB key provisioning device will not allow BIOS BIOS query for version information. 1. Reboot the computer. 2. If the error persists, update to the latest BIOS - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 191
the error still persists, replace the system board. 2239-ME image lock failure Special system configurations with reduced 1. Reboot the computer. ME firmware image require BIOS control of ME firmware upgrading. A failure has 2. If the error persists, update to the latest occurred after the ME - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 192
turned off. 2. Check connector for bent or missing pins. 3. Ensure that none of the keys are depressed. 4. Replace keyboard. Run Computer Setup and Diagnostic utilities. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 193
4. Contact an authorized reseller or service provider. Red Power LED flashes Check if a device is causing the problem by removing ALL attached devices (such as hard problem is solved. Pre-video memory error. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 194
but LEDs continue until problem is solved. Invalid ROM based on bad checksum. 1. Reflash the system ROM with the latest BIOS image. 2. Replace the Unplug the AC power cord from the computer, wait 30 seconds, then plug the power cord back in to the computer. 3. Replace the system board. 4. - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 195
. Beeps stop after fifth iteration but LEDs continue until problem is solved. The current processor does not support a feature previously enabled on this system. 1. Install a TXT capable processor. 2. Disable TXT in the Computer Setup (F10) utility. 3. Reinstall the original processor. System - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 196
10 Password Security and Resetting CMOS This computer supports 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 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 197
system properly, then turn off the computer and any external devices, and disconnect the power cord from . See the Safety & Regulatory Information guide for more information. 3. Remove the Illustrated Parts & Service Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support. 5. Remove the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 198
the CMOS The computer's configuration memory (CMOS) stores information about the computer's configuration. The CMOS button resets CMOS but does not clear the power-on and setup passwords. Clearing CMOS will clear the Active Management Technology (AMT) settings in the Management Engine BIOS Extension - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 199
Illustrated Parts & Service Map (IPSM). 5. Replace the computer cover or access panel. 6. Reconnect the external devices. 7. Plug in the computer and turn on . Use Computer Setup to reset any special system setups along with the date and time. For instructions on Computer Setup, see Computer Setup ( - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 200
utility documentation for instructions on making backup hp.com/support/contactHP. System Restore If you have a problem that might be due to software that you installed on your computer, use System Restore to return the computer to a previous restore point. You can also set restore points manually - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 201
drivers. However, you must reinstall any software that was not installed on the computer the instructions in Creating recovery media on page 193. If the computer is computer. 2. Disconnect all peripheral devices from the computer except the monitor, keyboard, and mouse. 3. Turn on the computer - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 202
hold the power button until the computer turns off. 2. Disconnect all peripheral devices from the computer, except the monitor, keyboard, and mouse. 3. Press the power button to turn on the computer. 4. As soon as you see the HP logo screen, repeatedly press the F11 key on your keyboard until the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 203
computer model (typically 3 to 6 DVDs). The Recovery Media Creation program tells you the specific number HP Recovery Media Creation. If prompted, click Yes to allow the program to continue. 3. Click Create recovery media using blank DVD(s), and then click Next. 4. Follow the on-screen instructions - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 204
and then click Shut Down. 3. Disconnect all peripheral devices from the computer except the monitor, keyboard, and mouse. 4. Press the power button to turn on the computer. 5. Press Esc as the computer is powering on to see the startup menu. Use the arrow keys to select the boot menu and press Enter - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 205
about recycling programs, go to http://www.hp.com/ recycle. 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as compact discs or USB flash drives, from the computer. 3. Turn off the computer properly through the operating system, then - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 206
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. Figure A-1 Removing a Coin Cell Battery (Type 1) b. Slide the replacement battery into position, positive - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 207
Coin Cell Battery (Type 4) NOTE: After the battery has been replaced, use the following steps to complete this procedure. 8. Replace the computer access panel. 9. Plug in the computer and turn on power to the computer. 10. Reset the date and time, your passwords, and any special system setups using - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 208
are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage. The power cord set received with the computer meets the requirements for use in the country where you purchased the equipment. Power cord sets for use in other countries must meet the - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 209
Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency a two-pole grounding type with a Japanese Industrial Standard C8303 (7A, 125V) configuration. Country-Specific Requirements 199 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 210
C Specifications MT Specifications Table C-1 Specifications Chassis Height 14.9 in 37.7 cm Width 7.0 in 17.7 cm Depth 17.0 in 43.1 cm Approximate Weight 20.5 lb 9.3 Efficiency 320W High Efficiency 320W active PFC; 87/90/87% efficient at 20/50/100% load 200 Appendix C Specifications - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 211
active power factor corrected power supply. This allows the system to pass the CE mark requirements for use in the countries of the European Union. The active power factor corrected power supply also has the added benefit of not requiring an input voltage range select switch. MT Specifications 201 - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 212
SFF Specifications Table C-2 Specifications Chassis (in the desktop position) Height 4.0 in 10.0 cm Width 13.3 in 33.8 cm Depth 14.9 in 37.9 cm Approximate Weight 16.7 lb 7.6 kg Weight Supported (maximum distributed load in desktop an active power factor corrected power supply. - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 213
up 186 clearing and resetting 188 computer specifications 202 computer cleaning 43 country power cord set requirements 199 Customer Support 137, 172 D DIMMs. See memory disassembly preparation MT 49 SFF 92 DisplayPort cable spare part number 25, 28, 33, 37 DMS-59 to dual DVI cable spare part number - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 214
HP Business Digital Headset, spare part number 26, 35 I installing battery 195 MT drive cables 63 MT expansion card 58 MT hard drive 71 MT media card reader 67 MT memory 55 MT optical drive 67 SFF drive cables 107 SFF expansion card 101 SFF hard drive 115 SFF media card reader 113 SFF memory 98 SFF - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 215
reader MT installation 67 MT removal 66 SFF installation 113 SFF removal 111 Media Card Reader problems 148 memory MT installation 55 MT socket population 56 MT specifications 55 SFF installation 98 SFF socket population 98 SFF specifications 98 memory module spare part number 55, 98 memory modules - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 216
128 speaker, spare part number 34, 38 system board removal and replacement 134 system board, spare part number 31, 39 software problems 171 servicing computer 45 solenoid lock spare part number 25, 29, 38 solenoid lock, SFF spare part number 34 solid-state drive, spare part number 27, 36 206 Index - HP Pro 6305 | Maintenance and Service Guide HP Compaq Pro 6305 Microtower Busine - Page 217
34, 38 specifications computer 200, 202 MT memory 55 SFF memory 98 static electricity 40 system board MT removal and replacement 90 MT spare part number 90 SATA connectors 47 SFF removal and replacement 134 SFF spare part number 134 system board connections MT 62 SFF 105 system board, MT spare part
Maintenance and Service Guide
HP Compaq Pro 6305 Microtower Business PC
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