Compaq Pro 4300 Maintenance & Service Guide Pro 4300 All-in-One Business P
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- Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 1
Maintenance & Service Guide HP Compaq Pro 4300 All-in-One Business PC - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 2
Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are consent of Hewlett-Packard Company. Maintenance & Service Guide HP Compaq Pro 4300 All-in-One Business PC Second Edition (November 2012) First Edition - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 4
Installing or upgrading device drivers 8 Customizing the monitor display 8 Activating and customizing the software in Windows 8 8 Activating the Windows Operating System 8 Downloading Windows 8 updates 9 Customizing the monitor display 9 3 Computer Setup (F10) Utility ...10 Computer Setup (F10 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 5
...30 Cleaning the Monitor ...31 Cleaning the Mouse ...31 Service Considerations ...31 Tools and Software Requirements 31 Screws ...31 Cables Lithium Coin Cell Battery 32 6 Removal and Replacement Procedures All-in One (AIO) Chassis 33 Preparing to Disassemble the Computer 33 Hinge Cover Panel - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 6
127 Solving Internet Access Problems ...127 Solving Software Problems ...129 Contacting Customer Support ...131 8 HP PC Hardware Diagnostics ...132 Why run HP PC Hardware Diagnostics 132 How to access and run HP PC Hardware Diagnostics 133 Downloading HP PC Hardware Diagnostics to a USB device - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 7
system recovery 141 Using the Windows recovery tools 141 Using f11 recovery tools 142 Using Windows 8 operating system media (purchased separately 142 10 POST Error Messages ...143 Country-Specific Requirements ...151 Appendix B Specifications ...152 All-in One Models ...152 Index ...154 viii - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 8
HP Compaq Pro 4300 All-in-One Business PC offers the following features: ● Integrated All-in-One form factor ● 20-inch diagonal widescreen 1600 x 900 WLED anti-glare display ● Adjustable tilt ● Removable panels on the back of the chassis allow users or technicians to easily and efficiently service - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 9
keyboard and mouse ● Windows® 7 or Windows 8 operating system ● 6-in-1 media card reader ● 6 USB 2.0 ports ● Tray-load HP SuperMulti DVD+/-RW SATA 11 a/g/n, 802.11 a/g/n with Bluetooth®) ● Face Recognition for HP ProtectTools software with auto-login capabilities (only with the optional webcam) - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 10
Front Components Figure 1-2 Front Components Table 1-1 Front Components Component 1 Webcam 2 Single microphone 3 20-inch diagonal 16:9 widescreen LED-backlit LCD display Component 4 Power button and LED 5 High-performance stereo speakers Front Components 3 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 11
Side Components Figure 1-3 Side Components Table 1-2 Side Components Component 1 HP USB Media Card Reader 2 (2) USB 2.0 ports 3 Microphone jack 4 optical disc drive 8 Brightness increase button 9 Brightness decrease button 10 Hard drive activity LED 4 Chapter 1 Product Features - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 12
4 Optical disc drive location 5 Hard drive location 6 Memory and battery location Component 7 Security lock slot 8 Power connector with LED indicator 9 RJ-45 Gigabit Ethernet port 10 Stereo audio line out 11 (4) USB 2.0 ports 12 Serial port Rear Components 5 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 13
Adjusting Tilt Tilt the computer forward up to -5 degrees or backward up to +25 degrees to set it to a comfortable eye level. Figure 1-5 Adjusting Tilt 6 Chapter 1 Product Features - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 14
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 shipped with more than one operating system language on - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 15
the drivers for each of the devices. In Windows 7, 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 set up so you can receive important software updates, facilitate support - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 16
HP recommends checking for the latest updates during the initial installation and periodically throughout the life of the computer. Run Windows PC Settings > Windows Update. 3. Run Windows Update monthly thereafter. Customizing the monitor display You can customize display settings for Windows - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 17
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 unsecured. ● Enable or disable removable media boot ability. 10 Chapter 3 Computer Setup (F10) Utility - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 18
saving system configuration information on a 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 19
Computer 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 20
Computer 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 21
drives. For more information, see the eSATA white paper at www.hp.com. SATA Emulation Allows you to choose how the SATA controller and devices are 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 22
self-tests on ATA hard drives capable of performing the Drive Protection System (DPS) self-tests. NOTE: This selection will only appear when at least one drive capable of performing the DPS self-tests is attached to the system. Boot Order Allows you to: ● EFI Boot Sources: Specify the order in - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 23
Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending change Computer Setup options, flash the ROM, and make changes to certain plug and play settings under Windows. Power-On Password Allows you to set and enable a power-on password. The power-on password - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 24
. When MBR Security is enabled, the BIOS prevents any changes being made to the MBR of the current bootable disk while in MS-DOS or Windows Safe Mode. NOTE: Most operating systems control access to the MBR of the current bootable disk; the BIOS cannot prevent changes that may occur while - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 25
disable) - Controls the underlying processor and chipset features needed to support a virtual appliance. Changing this setting requires turning the computer off unless the TPM is reset. Default is disabled for non-Windows 8 systems, and enabled for Windows 8. ● Allow PPI policy to be changed by OS. - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 26
: This selection will only appear when at least one drive that supports the DriveLock feature is attached to the system. Secure Boot Configuration This is a feature of Windows 8. ● Legacy Support-Enable/Disable. Allows you to turn off all legacy support on the computer, including booting to DOS - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 27
a visual indication of what sleep state the system is in. 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 green LED. ◦ S3 (Stand By)= 3 blinks at 1Hz - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 28
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 Startup Menu" during POST. This text does not display on Windows 8 systems with Fast Boot support. Other text also will not display (for example, Ownership - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 29
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 you to enable and disable the Intel Turbo Mode feature, which allows one core of the system to run at a higher than standard frequency and - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 30
Table 3-6 Computer Setup-Advanced (for advanced users) (continued) VGA Configuration Displayed only if there is an add-in video card in the system. Allows you to specify which VGA controller will be the "boot" or primary VGA controller. AMT Configuration Allows you to set: ● AMT (enable/disable - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 31
4 Serial ATA (SATA) Drive Guidelines and Features NOTE: HP only supports the use of SATA hard drives on these models of computer. No Parallel ATA (PATA) drives are supported. SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 32
and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns 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 FAT - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 33
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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 34
are then multi-packaged inside plastic tubes, trays, or Styrofoam. Relative Humidity 40% 15,000 V 5,000 V 800 V 700 V 4,000 V 5,000 V 20,000 V 11,000 V 10% 35,000 V 12,000 V 6,000 V 2,000 V 11,500 V 14,500 V 26,500 V 21,000 V NOTE: 700 volts can degrade a product. Preventing Electrostatic Damage - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 35
damage to equipment: ● Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground cords. To provide proper ground, a strap must be such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 36
% 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 ● Conductive plastic tubes ● Conductive tote - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 37
Routine Care General Cleaning Safety Precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. 3. Always unplug the computer when cleaning with - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 38
that you should keep in mind during the disassembly and assembly of the computer. Tools and Software Requirements To service the computer, you need the following: ● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001) ● Flat-bladed screwdriver (may sometimes be used in place of the Torx - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 39
by parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in the chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This computer contains to HP, their authorized partners, or their agents. 32 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 40
One (AIO) Chassis The following sections provide information about disassembling various components of the computer. Preparing to Disassemble the Computer To avoid injury and equipment damage, always complete the following steps in order, when opening the HP Pro All-in-One surface. HP recommends that - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 41
hinge cover panel: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33). 34 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 42
2. Remove the hinge cover panel by pulling outward on the panel at the slot on the top edge of the panel. Figure 6-2 Removing the hinge cover panel To replace the hinge cover panel, reverse the removal procedures. Hinge Cover Panel 35 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 43
the Computer on page 33). 2. Remove the center access panel (see Hinge Cover Panel on page 34). 36 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 44
3. Open the latch securing the memory access panel. Figure 6-4 Opening the memory access panel latch 4. To remove the memory access panel, press down on the tab on the inside edge of the panel (1) and slide the panel off the computer (2). Figure 6-5 Removing the memory access panel To replace the - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 45
the Computer on page 33). 2. Remove the center access panel (see Hinge Cover Panel on page 34). 38 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 46
3. Open the latch securing the drive access panel. Figure 6-7 Opening the drive access panel latch 4. To remove the drive access panel, push downward on the tab on the inside edge of the panel (1) and slide the panel off the computer (2). Figure 6-8 Removing the drive access panel To replace the - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 47
on the left side of the computer (viewed from behind). It is secured with one Torx screw. Figure 6-9 Optical drive location To remove the optical drive: 1. Prepare drive to the computer. Figure 6-10 Removing the optical disc drive security screw 40 Chapter 6 Removal and Replacement Procedures All-in - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 48
5. Using your fingers, press the visible edge of the optical disc drive toward the side of the computer to push the drive partially out of the computer. Grasp the front end of the drive and pull the drive out of the computer. Figure 6-11 Removing the optical disc drive 6. If you need to remove the - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 49
drive access panel on the left side of the computer (viewed from behind). The drive is secured with one captive Torx screw and is housed in a removable cage. Figure 6-13 Hard drive location 1. Prepare the drive security screw 42 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 50
5. Grasp the handle on top of the hard drive cage (1) and slide the cage toward the outer edge of the computer, then lift the cage out of the computer (2). Figure 6-15 Removing the hard drive cage 6. Remove the four mounting screws that secure the drive to the cage. Do not remove the blue rubber - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 51
adapter, and then install the assembly in the hard drive cage as you would a 3.5-inch hard drive. 44 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 52
the system board can be populated with up to two industry-standard SODIMMs. These memory sockets are populated with at least one preinstalled SODIMM. To achieve the maximum memory support, you can populate the system board with up to 16 GB of memory. For proper system operation, the SODIMMs must be - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 53
to Disassemble the Computer on page 33). 2. Place the computer face down on a soft flat surface. HP recommends that you set down a blanket, towel, or other soft cloth to protect the screen surface from Panel on page 36). 46 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 54
5. Pull upward on the raised tab on the memory cover and lift the cover off the computer. Figure 6-19 Removing the memory cover 6. To remove a memory module, press outward on the two latches on each side of the SODIMM (1), then pull the SODIMM out of the socket (2). Figure 6-20 Removing a memory - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 55
lock it in place (3). Figure 6-21 Installing a memory module NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. 8. Press the memory cover back the computer. 48 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 56
than 60° C (140º F). 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 57
is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable 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 One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 58
Type 2 a. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out (1). b. To insert the new battery, slide one edge of the replacement battery under the holder's lip with the positive side up. Push the other - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 59
five black Torx screws that secure the cover to the computer. Figure 6-29 Heat sink cover screws 52 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 60
5. Lift the cover from the computer. Figure 6-30 Removing the heat sink cover To install the heat sink cover, reverse the removal procedures. When installing the cover, be sure to insert the tabs from the cover into the slots in the computer. Figure 6-31 installing the heat sink cover Heat Sink - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 61
Sink (Thermal Module) The heat sink is secured with five Torx screws - four captured, one not captured. Figure 6-32 Heat sink location To remove the heat sink: 1. Prepare the computer may require replacing the system board. 54 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 62
8. Remove the black Torx screw from the top of the heat sink (2). Figure 6-33 Loosening and removing the heat sink screws 9. Lift the heat sink from the computer. Figure 6-34 Removing the heat sink CAUTION: To reduce a degradation in thermal performance, be sure not to touch the thermal grease on - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 63
. If reusing the existing heat sink, go to step 3. If using a new heat sink, go to step 6. 56 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 64
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. Processor 57 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 65
the computer. Figure 6-37 Removing the top panel To replace the top panel, reverse the removal procedures. 58 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 66
webcam module is located at the top of the computer beneath the top panel. It is secured with two silver Phillips screws and has one connector. Figure 6-38 Webcam module location To remove the webcam module: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 67
from the module. Figure 6-40 Disconnecting the webcam module To install a webcam module, reverse the removal procedures. 60 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 68
Stand The stand is secured with three Torx screws. You must remove the center access panel to remove the stand. To remove the stand: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33). 2. Remove the center access panel (see Hinge Cover Panel on page 34). - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 69
modules (3), bottom side (4), and left side (5). NOTE: The cover may be very tight and difficult to remove. Figure 6-42 Removing the rear cover 10. Remove the rear cover from the computer. To replace the rear cover, reverse the removal procedures. 62 Chapter 6 Removal and Replacement Procedures All - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 70
Fan The fan is located near the middle of the computer under the main rear cover. The fan is secured with three Torx screws. You do not have to remove the heat sink to remove the fan. Figure 6-43 Fan assembly location To remove the fan assembly: 1. Prepare the computer for disassembly (see Preparing - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 71
10. Remove the three black Torx screws that secure the fan to the computer, and then disconnect the fan cable from the system computer. Figure 6-45 Removing the fan To install the fan assembly, reverse the removal procedures. 64 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 72
two cables from the board (1). NOTE: Be careful not to damage the cables when disconnecting them from the board. Do not pull on the wires. 10. Remove the two silver Torx screws (2) that secure the board to the computer. Converter Board 65 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 73
panel: pins (3)(4) & (5)(6) ● CMI panel: pins (1)(2) & (5)(6) LG Samsung CMI To install the converter board, reverse the removal procedures. 66 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 74
on the bottom left side of the computer (viewed from behind) under the main rear cover. It is secured with two Torx screws and has one connector. The associated cable connects to the front power switch assembly. To remove this cable, you must remove the stand bracket, disassembly of which is - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 75
not to damage the cable when disconnecting it from the board. Do not pull on the wires. Figure 6-49 Disconnecting the sidekey board cable 10. Remove the two silver Torx screws that secure the board to the computer. Figure 6-50 Sidekey board screws 68 Chapter 6 Removal and Replacement Procedures - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 76
11. Rotate the bottom of the board upward, and then remove the board from the computer. Figure 6-51 Removing the sidekey board To install the sidekey board, reverse the removal procedures. System Board Shield The system board shield covers the bottom of the system board. It is secured with two Torx - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 77
cover (see Heat Sink Cover on page 52). 9. Remove the rear cover (see Rear Cover on page 62). 10. Remove the two black Torx screws (1) that secure the shield to the computer. NOTE: The Torx screw in the removal procedures. 70 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 78
located on the bottom left of the system board. The module is secured with one Phillips screw and has two connected antennas. Figure 6-54 WLAN module location To remove sink cover (see Heat Sink Cover on page 52). 10. Remove the system board shield (see System Board Shield on page 69). WLAN Module 71 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 79
WLAN module, reverse the removal procedures. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. 72 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 80
Sink Cover on page 52). 8. Remove the top panel (see Top Panel on page 58). 9. Remove the rear cover (see Rear Cover on page 62). 10. Remove the system board shield (see System Board Shield on page 69). 11. Remove two Torx screws that secure each speaker to the computer. 12 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 81
13. Remove the speakers from the computer. Figure 6-58 Removing the speakers To install the speakers, reverse the removal procedures. 74 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 82
Stand bracket The stand bracket is located near the middle of the computer, below the fan. Remove the bracket to gain access to the drive cables and sidekey board cable assembly. The bracket is secured with four Torx screws. Figure 6-59 Stand bracket location To remove the stand bracket: 1. Prepare - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 83
will need to remove this screw to remove the stand bracket. Figure 6-60 Stand bracket screw locations 10. Lift the bracket from the computer. Figure 6-61 Removing the stand bracket To install the stand bracket board cover. 76 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 84
the heat sink cover (see Heat Sink Cover on page 52). 9. Remove the thermal module/heat sink (see Heat Sink (Thermal Module) on page 54). 10. Remove the top panel (see Top Panel on page 58). 11. Remove the rear cover (see Rear Cover on page 62). 12. Remove the system - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 85
restart the computer and again press Esc when the monitor light turns green to access the utility. 78 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 86
data entry, the data will not validate, and the computer asks you to correct your data input. The Build ID of the unit. Label Flexbuild Support Support Support Flexbuild Flexbuild System Board 79 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 87
top panel (see Top Panel on page 58). 9. Remove the rear cover (see Rear Cover on page 62). 10. Remove the system board cover (see Heat Sink Cover on page 52). 11. Remove the stand bracket (see Stand (3) built into the computer. 80 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 88
14. Disconnect the hard drive cables (4) or the optical drive cables (5) from the system board. NOTE: Be careful not to damage the cable when disconnecting it from the board. Do not pull on the wires. 15. Remove the connector from the computer. Figure 6-65 Removing the hard drive or optical drive - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 89
on page 52). 8. Remove the heat sink (see Heat Sink (Thermal Module) on page 54. 9. Remove the top panel (see Top Panel on page 58). 10. Remove the rear cover (see Rear Cover on page 62). 11. Remove the system board shield (see System Board Shield on page 69). 12. Remove - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 90
13. Disconnect the cable from the display panel by pressing in the latches on the side of the cable (1) and pulling it from the connector (2). Figure 6-67 Removing the display cable To install the display cable, reverse the removal procedures. Display Cable 83 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 91
. You do not have to remove the remaining cables. 9. Remove the five black Torx screws that secure the bezel to the main system bracket assembly. 10. Lift the nine tabs (see arrows in image) that secure the bezel to the main system bracket assembly. Be sure to slide the bracket free - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 92
11. Lift the main system bracket assembly off the front bezel. Figure 6-68 Removing the front bezel assembly from the computer 12. Lift the main display panel assembly from the front bezel. To install the front bezel, reverse the removal procedures. Display Panel If you disconnect the display cable - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 93
have to remove the side key cable. 9. Remove the front bezel (see Front Bezel on page 84). 10. Disconnect the display cable from the display panel (1). NOTE: Replace the backlight cable (2) with the new backlight display panel 86 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 94
11. Remove the four silver Torx screws that secure the display panel to the frame. The screw locations for each manufacturer are stamped into the metal. The LG (1) and Samsung (2) panels are secured with two screws on each side (left and right). Figure 6-70 Display panel screw locations - LG or - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 95
LG Samsung CMI To install a display panel, reverse the removal procedures. 88 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 96
Top Panel on page 58). 8. Remove the rear cover (see Rear Cover on page 62). 9. Remove the front bezel (see Front Bezel on page 84. 10. Pull the two tabs (1) toward the bottom of the bezel, and then rotate the assembly up and off the bezel (2). 11. Pull the light pipe - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 97
. Figure 6-73 Removing the power switch assembly To install the power switch assembly, reverse the removal procedures. 90 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 98
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 of the drivers loaded. When booting the operating system, use "Last Known Configuration." - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 99
page 92 in this guide. To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self-solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat feature. Access HP Instant Support Professional Edition at - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 100
and play expansion board or other option. See Solving Hardware Installation Problems on page 116 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 101
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 reseller for RTC battery replacement. To access - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 102
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 1. Make sure airflow to the computer is not blocked. Leave a 10.2-cm (4-inch) clearance on all vented sides of the computer and above General Problems 95 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 103
Solving General Problems (continued) Poor performance. Cause Solution Virus resident on the hard drive. Run virus protection program. Too many applications running. Windows 7: 1. Close graphics solution. Cause unknown. Restart the computer. 96 Chapter 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 104
) is set to the appropriate voltage. Proper voltage setting depends on your region. 2. Remove the expansion cards one at a time until the 5V_aux light on the system board turns on. 3. Replace the system board. OR replace the power supply. 6. Replace the system board. Solving General Problems 97 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 105
are listed in the following table. Table 7-2 Solving Power Problems Power supply shuts down intermittently. Cause If equipped with a voltage selector, voltage selector switch system board header. 3. If fan a plugged in and not spinning, replace it. 98 Chapter 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 106
. 3. Check if a device is causing the problem by removing ALL attached devices (such as hard then power off and replace one device at a time and repeat this the failure. Continue adding devices one at a time to ensure all is being used on the All-in One or USDT. The power supply adapter must - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 107
Disk transaction problem. Cause Solution Either the directory structure is bad or there is a problem with In Windows 7, click , 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 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 108
missing or not properly installed. 1. Insert bootable media and restart the computer. 2. Boot to the windows installation media and select the recovery option. If only a restore kit is available, then select the Worldwide Limited Warranty for terms and conditions. Solving Hard Drive Problems 101 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 109
Cause Program in use has stopped responding to commands. Solution 1. Use the task manager to close programs that do not respond. 2. Attempt the normal Windows "Shut Down" procedure. If this fails, press the power button for four or more seconds to turn off the power. To restart the computer, press - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 110
Solving Media Card Reader Problems Table 7-4 Solving Media Card Reader Problems Media card will not work in a digital camera after formatting it in Windows. Cause Solution By default, Windows will format any media card with a capacity greater than 32MB with the FAT32 format. Some digital cameras - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 111
LED is flashing After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the reader was just installed into the computer and you are turning the PC on for the first time. Wait a few seconds so that 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 112
causes and solutions listed in the following table. Table 7-5 Solving Display Problems Blank screen (no video). Cause Solution Monitor is not turned on and To access Control Panel in Windows 7, click Start, and then select Control Panel. To access Control Panel in Windows 8, from the Start - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 113
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. Blank screen and the if applicable) or video connector and the monitor. 106 Chapter 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 114
the correct graphics Install the video drivers included in the upgrade kit. drivers may not be loaded. Monitor is the monitor. Refer to the documentation that came with the monitor for instructions. Image is not centered. Cause Position may need adjustment. Solution Press Display Problems 107 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 115
supports. Solution Restart the computer and enter Safe Mode. Change the settings to a supported setting Windows 8: 1. Press the Windows logo + l to open the Settings charm. 2. Select Change PC Settings, select General, and then under Advanced startup, click Restart now. 3. Select Troubleshoot - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 116
card. 2. Manually synchronize the Clock or SP32202: http://www.hp.com/support Graphics card is not you are using does not support that particular symbol. Solution Windows 7, click Start, select All Programs, select Accessories, select System Tools, and then select Character Map. In Windows - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 117
Problems graphics cards support audio Windows 7, click Start, select Control Panel, and then select Device Manager. To access Device Manager in Windows 8, from the Start screen, type c, select Control Panel from the list of applications, and then select Device Manager. 110 Chapter 7 Troubleshooting - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 118
Problems in the audio driver or application In the audio driver or application software, support audio over the DisplayPort connection (if applicable), so multiple audio devices may be listed in Device Manager. Make sure the correct device is being used. To access Device Manager in Windows - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 119
Printer Problems If you encounter printer problems, see printer works, reload the printer driver. To run MS-DOS commands, press the Windows key + r, type cmd driver for the application is not installed. Solution Install the correct printer driver for the application. 112 Chapter 7 Troubleshooting - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 120
Table 7-7 Solving Printer Problems (continued) Printer prints garbled information. Cause The cables may not be connected properly. Printer memory may be overloaded. Solution Reconnect all cables. Reset the printer by turning it off for one minute, then turn it back on. Printer will not print. - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 121
to the common causes and solutions listed in the following table. Table 7-8 Solving Keyboard Problems A wireless keyboard/mouse is not working correctly. Symptoms include lagging mouse movement, jumpy in Computer Setup at Advanced > Device Options. 114 Chapter 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 122
7-9 Solving Mouse Problems Mouse does not respond to movement or is too slow. Cause Solution Mouse connector is not properly plugged into the back of the Shut down the computer using the keyboard. computer. Windows 7: 1. Press the Ctrl and Esc keys at the same time (or press the Windows logo key - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 123
installation of the new hardware. In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. To system components to cool before touching. Table 7-10 Solving Hardware Installation Problems A new device is not recognized as part Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 124
for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. Power LED Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. NOTE before DIMM4 3. Replace third-party memory with HP memory. 4. Replace the system board. Power - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 125
Check each option card by removing the cards one at time (if multiple cards), then power network cabling. Table 7-11 Solving Network Problems Wake-on-LAN feature is not the computer. To enable Wake-on-LAN in Windows 8: 1. From the Start screen, type c, Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 126
controller is not set up properly. Check for the device status within Windows, such as Device Manager for driver load and the Network Connections applet within Windows for link status. To access Device Manager in Windows 7, click Start, select Control Panel, and then select Device Manager. To - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 127
connector. There is a problem with the cable or a drivers are corrupted. Reinstall the network drivers using the Recovery Disc Set in Windows 7 or Windows recovery tools in Windows 8. If necessary, download the softpaq from the web (from a different computer). 120 Chapter 7 Troubleshooting - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 128
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 module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 129
Table 7-12 Solving Memory Problems System will not boot or does not function properly after 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. 122 Chapter 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 130
a two second pause. Cause Solution The current processor does not support a feature previously 1. Install a TXT (Trusted Execution Technology) capable came with the optional device. Table 7-14 Solving CD-ROM and DVD Problems System will not boot from CD-ROM or DVD drive. Cause Solution The - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 131
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 remove parental lock. Reinstall media. 124 Chapter 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 132
select Device Manager. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording or copying CDs is difficult or impossible. widely between manufacturers. Solving USB Flash Drive Problems If you encounter USB flash drive problems, common causes and solutions are listed in - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 133
Problems USB flash drive is not seen as a drive letter in Windows. Cause Solution The drive letter after the last physical drive is not available. Change the default drive letter for the flash drive in Windows . Try a different flash drive. 126 Chapter 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 134
one end is connected to the device and one end is connected to a live outlet. The correct device driver is not installed. 1. Install the correct driver Problems If you encounter Internet access problems, consult your Internet Service Provider "PC" LED light on the front of the cable - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 135
General tab, click the Delete button. 4. Select the Cookies check box and click the Delete button. Windows 8: 1. From the Start screen, type c, and then select Control Panel from the list of applications to your ISP and launch the desired program. 128 Chapter 7 Troubleshooting Without Diagnostics - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 136
. ● Be sure that all the needed device 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, see the applicable solutions listed in the following - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 137
to fix problems that might prevent Windows from starting correctly. To access Automatic Repair: 1. Press the Windows logo + l to open the Settings charm. 2. Select Change PC Settings, select General, and then under Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 138
http://www.hp.com. NOTE: If you take 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 139
system. This tool also works with components not diagnosed in HPSA. Why run HP PC Hardware Diagnostics The HP PC Hardware Diagnostic tools simplify the process of diagnosing hardware issues and expedite the support process when issues are found. The tools save time by pinpointing the component that - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 140
How to access and run HP PC Hardware Diagnostics You can run the diagnostics from one of three places, depending connected USB drive (to download the diagnostics tools to a USB drive, see the instructions in Downloading HP PC Hardware Diagnostics to a USB device on page 134) b. The hard disk drive - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 141
Downloading HP PC Hardware Diagnostics to a USB device 1. Go to http://www.hp.com. 2. Click the Support & Drivers link. 3. Select the Drivers HP UEFI Support Environment link. This link provides additional information. - or Click the Download button and select Run. The download includes instructions - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 142
your region, see http://www.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. NOTE: Always use this System - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 143
the operating system, programs, and drivers. However, you must reinstall any software that are shipped without a Windows operating system. You must choose one of the following methods to follow the instructions in Creating recovery media on page 138. If the computer is working and Windows 7 is - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 144
computer. 4. As soon as you see the HP logo screen, repeatedly press the F11 key on your keyboard until the Windows is Loading Files... message appears on the screen. installed on your computer at the factory. You can create only one set of recovery media for your computer, and the media can be - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 145
All Programs, click Security and Protection, and then click 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. Label each disc as you make it (for example - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 146
insert the next recovery disc, do so. 9. When Recovery Manager is finished, remove the recovery disc or the recovery USB flash drive from the system. 10. Click Finish to restart the computer. Restoring and recovering in - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 147
instructions on various backup and restore options, perform a search for these topics in Help and Support. From the Start screen, type h, and then select Help and Support. In case of system instability, HP recommends that you print the recovery procedures and save them for later use. NOTE: Windows - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 148
by default. 4. Select Troubleshoot, select Advanced Options, and then select Automatic Repair. 5. Follow the on-screen instructions. NOTE: For additional information on recovering information using the Windows tools, perform a search for these topics in Help and Support. From the Start screen - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 149
The f11 recovery tool reinstalls the operating system and HP programs and drivers that were installed at the factory. Software not installed screen instructions. Using Windows 8 operating system media (purchased separately) To order Windows 8 operating system media, go to http://www.hp.com/support, - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 150
source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages during POST, such 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 151
2. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive. Unsupported CPU Recently installed processor is not supported by the system. Install a processor supported by your system. Time & Date Not Set Invalid time or - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 152
are available on all models. Table 10-2 Diagnostic Front Panel LEDs and Audible Beeps stop after fifth iteration but LEDs continue until problem is solved. Pre-video memory error. CAUTION: Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 153
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 . See Computer Setup (F10) Utility on page 10 for information. 146 Chapter 11 Password Security and Resetting CMOS - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 154
Computer Setup. 4. To establish Setup password, select Security > Setup Password and follow the instructions. - or - To establish a Power-On password, select Security > Power-On Password and follow the instructions on the screen 5. Before exiting, click File > Save Changes and Exit. Establishing - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 155
. See the Regulatory, Safety and Environmental Notices guide for more information. 3. Remove the access panel Parts & Service Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support. 5. Remove 10. Establish the new passwords in Computer Setup. See Computer Setup (F10) Utility on page 10 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 156
See Computer Setup (F10) Utility on page 10 for information. To reset CMOS, complete the following the Regulatory, Safety and Environmental Notices 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 157
A 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 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 158
Country-Specific 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 Norway (1) NEMKO Canada - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 159
B Specifications All-in One Models Table B-1 Specifications Desktop Dimensions Height Width Depth Approximate Weight With stand Without stand Display Type Viewable image area Resolution Contrast ratio Image brightness Viewing - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 160
Table B-1 Specifications (continued) Maximum Altitude (unpressurized) Operating Nonoperating 0 - 6,500 ft 0 - 15,000 ft Power Supply Rated Voltage Range Rated Line Frequency Max Operating Power 0 - 2000 m 4,572 m 100-240 V 50-60 Hz 150 W All-in One Models 153 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 161
discharge 27 keyboard cleaning 30 keyboard keys 31 CD-ROM or DVD problems 123 cleaning computer 30 mouse 31 safety precautions 30 CMOS backing up 146 30 converter board removing 65 country power cord set requirements 151 Customer Support 91, 131 D display cable removing 82 display panel removing 85 - Compaq Pro 4300 | Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 162
optical drive problems 123 problems 123 R rear components 5 rear cover removing 62 recovery partition 142 removal and replacement procedures All-in One service considerations 31 setup password 146 side components 4 software problems 129 servicing adjustment 6 tools, servicing 31 top panel removing
Maintenance & Service Guide
HP Compaq Pro 4300 All-in-One Business PC