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HP Compaq Pro 4300, Maintenance & Serice Manual

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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 connectors

To install the hard drive or optical drive connector, reverse the removal procedures.

Hard Drive and Optical Drive Cables and Connectors

81

Summary of Contents for Compaq Pro 4300

Page 1: ...Maintenance Service Guide HP Compaq Pro 4300 All in One Business PC ...

Page 2: ...ervices Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein This document contains proprietary information that is protected by copyright No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company Mai...

Page 3: ...ollow 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 off in this manner provides important supplemental information iii ...

Page 4: ...e 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 Utilities 10 Using Computer Setup F10 Utilities 11 Computer Setup File 12 Computer Setup Storage 13 Computer Setup Security 16 Computer Setup Power 20 Computer Setup ...

Page 5: ...ions 30 Cleaning the Computer Case 30 Cleaning the Keyboard 30 Cleaning the Monitor 31 Cleaning the Mouse 31 Service Considerations 31 Tools and Software Requirements 31 Screws 31 Cables and Connectors 32 Hard Drives 32 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 34 Memory Access Panel 36 Dri...

Page 6: ...d Reader Problems 103 Solving Display Problems 105 Solving Audio Problems 110 Solving Printer Problems 112 Solving Keyboard and Mouse Problems 114 Solving Hardware Installation Problems 116 Solving Network Problems 118 Solving Memory Problems 121 Solving Processor Problems 123 Solving CD ROM and DVD Problems 123 Solving USB Flash Drive Problems 125 Solving Front Panel Component Problems 127 Solvin...

Page 7: ...ng the Windows recovery tools 141 Using f11 recovery tools 142 Using Windows 8 operating system media purchased separately 142 10 POST Error Messages 143 POST Numeric Codes and Text Messages 144 Interpreting POST Diagnostic Front Panel LEDs 145 11 Password Security and Resetting CMOS 146 Establishing a Setup or Power on Password 147 Resetting the Setup and Power on Password 148 Resetting CMOS 149 ...

Page 8: ...llowing 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 the PC Optional integrated 1 3 MP webcam single non array microphone Integrated stereo speakers Overview 1 ...

Page 9: ... H61 Express Chipset Integrated Intel HD Graphics Integrated Gigabit network connection Realtek RTL 8111 F Gigabit Ethernet Up to 16 GB of DDR3 SDRAM memory Optional wireless LAN 802 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 ENERGY STAR qualified EPEAT Silver registered and offers 89 percent energy ...

Page 10: ... Front Components Table 1 1 Front Components Component Component 1 Webcam 4 Power button and LED 2 Single microphone 5 High performance stereo speakers 3 20 inch diagonal 16 9 widescreen LED backlit LCD display Front Components 3 ...

Page 11: ... HP USB Media Card Reader 6 Optical disc drive activity LED 2 2 USB 2 0 ports 7 Tray load optical disc drive 3 Microphone jack 8 Brightness increase button 4 Headphone jack 9 Brightness decrease button 5 Optical disc drive eject button 10 Hard drive activity LED 4 Chapter 1 Product Features ...

Page 12: ...cess panel 7 Security lock slot 2 Center access panel 8 Power connector with LED indicator 3 Memory access panel 9 RJ 45 Gigabit Ethernet port 4 Optical disc drive location 10 Stereo audio line out 5 Hard drive location 11 4 USB 2 0 ports 6 Memory and battery location 12 Serial port Rear Components 5 ...

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 ...

Page 14: ...d airflow Activating the Windows operating system The first time you turn on the computer the operating system is set up and activated automatically This process takes about 5 to 10 minutes Carefully read and follow the instructions on the screen to complete the activation We recommend that you register your computer with HP during operating system setup so you can receive important software updat...

Page 15: ...er the model number of the computer and press Enter Customizing the monitor display If you wish you can select or change the monitor refresh rates screen resolution color settings font sizes and power management settings For more information refer to the online documentation provided with the graphics controller utility or the documentation that came with your monitor Right click on the Windows de...

Page 16: ...ou set up your computer 1 Point to the upper right or lower right corner of the Start screen to display the charms 2 Click Settings Change PC Settings Windows Update 3 Run Windows Update monthly thereafter Customizing the monitor display You can customize display settings for Windows 8 separately for the Start screen and the Desktop To customize the Start screen 1 Point to the upper right or lower...

Page 17: ...sages Post Messages Disabled suppresses most POST messages such as memory count product name and other non error text messages If a POST error occurs the error is displayed regardless of the mode selected To manually switch to Post Messages Enabled during POST press any key except F1 through F12 Establish an Ownership Tag the text of which is displayed each time the system is turned on or restarte...

Page 18: ...e headings appears in the Computer Setup Utilities menu File Storage Security Power and Advanced 4 Use the arrow left and right keys to select the appropriate heading Use the arrow up and down keys to select the option you want then press Enter To return to the Computer Setup Utilities menu press Esc 5 To apply and save changes select File Save Changes and Exit If you have made changes that you do...

Page 19: ... and date Flash System ROM Allows you to update the system ROM with a BIOS image file located on removable media Replicated Setup Save to Removable Media Saves system configuration to a formatted USB flash media device Restore from Removable Media Restores system configuration from a USB flash media device Default Setup Save Current Settings as Default Saves the current system configuration settin...

Page 20: ... mode is set to User allows you to specify the parameters logical cylinders heads and sectors per track used by the BIOS to translate disk I O requests from the operating system or an application into terms the hard drive can accept Logical cylinders may not exceed 1024 The number of heads may not exceed 256 The number of sectors per track may not exceed 63 CAUTION Ordinarily the translation mode ...

Page 21: ... Allows DOS and boot access to RAID volumes Use this mode with the RAID device driver loaded in the operating system to take advantage of RAID features AHCI default option Allows operating systems with AHCI device drivers loaded to take advantage of more advanced features of the SATA controller NOTE The RAID AHCI device driver must be installed prior to attempting to boot from a RAID AHCI volume I...

Page 22: ... on the list may be individually excluded from or included for consideration as a bootable operating system source Specify the order of attached hard drives The first hard drive in the order will have priority in the boot sequence and will be recognized as drive C if any devices are attached NOTE To drag a device to a preferred place press Enter To remove the device from consideration as a bootabl...

Page 23: ... Mode appears if a setup password is set allows viewing but not changing the F10 Setup Options without entering setup password Default is enabled Password prompt on F9 F12 requires setup password to use these boot functions Default is enabled Network Server Mode Default is disabled Smart Cover Allows you to Lock unlock the Cover Lock Set the Cover Removal Sensor to Disable Notify User Setup Passwo...

Page 24: ...Boot Record Security may prevent unintentional or malicious changes to the MBR such as those caused by some viruses or by the incorrect use of certain disk utilities It also allows you to recover the last known good MBR should changes to the MBR be detected when the system is restarted When MBR Security is enabled the BIOS prevents any changes being made to the MBR of the current bootable disk whi...

Page 25: ...s a critical component of many security schemes Erasing the security keys will prevent access to data protected by the Embedded Security Device Choosing Reset to Factory Settings may result in significant data loss Measure boot variables devices to PCR1 Typically the computer measures the boot path and saves collected metrics to PCR5 a register in the Embedded Security Device Bitlocker tracks chan...

Page 26: ...s UEFI and Windows Secure Boot only allow code signed by pre approved digital certificates to run during the firmware and OS boot process Default is disabled except for Windows 8 systems which have this setting enabled Secure Boot enabled also sets Legacy Support to disabled Key Management This option lets you manage the custom key settings Clear Secure Boot Keys Don t Clear Clear Allows you to de...

Page 27: ...pause S5 Soft Off LED is off Hardware Power Management SATA Power Management Enables or disables SATA bus and or device power management Default is enabled S5 Maximum Power Savings Turns off power to all nonessential hardware when system is off to meet EUP Lot 6 requirement of less than 0 5 Watt power usage Default is disabled PCI Express x16 Slot 1 Sets Active State Power Management ASPM of the b...

Page 28: ...nabled Option ROM Prompt enable disable Enabling this feature will cause the system to display a message before loading option ROMs Default is enabled After Power Loss off on previous state Default is Power off Setting this option to Power off causes the computer to remain powered off when power is restored Power on causes the computer to power on automatically as soon as power is restored Previou...

Page 29: ...em Default is Auto which sets memory allocation to 512 MB If you select Force the UMA Frame Buffer Size option displays which lets you set the UMA memory size allocation between 32 MB and 1 GB Internal Speaker does not affect external speakers Default is enabled NIC PXE Option ROM Download PXE iSCSI disabled The BIOS contains an embedded NIC option ROM to allow the unit to boot through the network...

Page 30: ...irmation to unconfigure ME Watchdog Timer enable disable Allows you to set amount of time for a operating system and BIOS watchdog alert to be sent if the timers are not deactivated BIOS watchdog is deactivated by BIOS and would indicate that a halt occurred during execution if the alert is sent to the management console An operating system alert is deactivated by the operating system image and wo...

Page 31: ...e voltages 3 3 V 5 V 12 V Jumpers for configuring drive N A Data transfer rate 3 0 Gb s SATA Hard Drive Cables SATA Data Cable Always use an 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 products ship with SATA 3 0 Gb s hard drives SATA data cables are susceptible to damage if overflexed Never crease a SATA data cable and never...

Page 32: ...es the maximum usable size of a drive partition A drive partition is the largest segment of a drive that may be properly accessed by the operating system A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space Because of the differences in the way that drive sizes are calculated the size reported by the operating system may ...

Page 33: ...ons 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 from the power source before opening the computer to prevent system board or component damage 26 Chapter 5 Routine Care and Disassembly Preparation ...

Page 34: ...orker Removing DIPs from plastic tube 7 500 V 3 000 V 400 V 400 V 15 000 V 5 000 V 800 V 700 V 35 000 V 12 000 V 6 000 V 2 000 V Removing DIPs from vinyl tray Removing DIPs from Styrofoam Removing bubble pack from PCB Packing PCBs in foam lined box 2 000 V 3 500 V 7 000 V 5 000 V 4 000 V 5 000 V 20 000 V 11 000 V 11 500 V 14 500 V 26 500 V 21 000 V These are then multi packaged inside plastic tube...

Page 35: ...stic Carbon loaded plastic Metallized laminate 1 500 7 500 15 000 Grounding the Work Area To prevent static damage at the work area use the following precautions Cover the work surface with approved static dissipative material Provide a wrist strap connected to the work surface and properly grounded tools and equipment Use static dissipative mats foot straps or air ionizers to give added protectio...

Page 36: ...2 cm 4 inch clearance on all vented sides of the computer and above the monitor to permit the required airflow Never restrict the airflow into the computer by blocking any vents or air intakes 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 d...

Page 37: ...ater For stubborn stains use isopropyl rubbing alcohol No rinsing is needed as the alcohol will evaporate quickly and not leave a residue After cleaning always wipe the unit with a clean lint free cloth Occasionally clean the air vents on the computer Lint and other foreign matter can block the vents and limit the airflow Cleaning the Keyboard Follow all safety precautions in General Cleaning Safe...

Page 38: ...rst removing the retaining plate and the ball from the housing Pull out any debris from the ball socket and wipe the ball with a clean dry cloth before reassembly To clean the mouse body follow the procedures in Cleaning the Computer Case on page 30 Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer To...

Page 39: ...omputer Do not remove a hard drive while the computer is on or in standby mode Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector For more information about preventing electrostatic damage refer to Electrostatic Discharge Information on page 27 Do not use excessive force when inserting a drive Avoid exposing a hard drive...

Page 40: ... Remove all media CD DVD etc from the computer 2 Shut down the computer 3 After the system has completely shut down disconnect the power adapter from the back of the computer 4 Disconnect all other attached cables from the back of the computer 5 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...

Page 41: ...o remove the drive access panel and memory access panel Figure 6 1 Hinge cover panel location To remove the 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 ...

Page 42: ...inge 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 ...

Page 43: ...ss the memory modules and RTC battery Figure 6 3 Memory access panel location To remove the memory access panel 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 36 Chapter 6 Removal and Replacement Procedures All in One AIO Chassis ...

Page 44: ...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 memory access panel reverse the removal procedures Memory Access Panel 37 ...

Page 45: ...ess the hard drive and optical drive Figure 6 6 Drive access panel location To remove the drive access panel 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 38 Chapter 6 Removal and Replacement Procedures All in One AIO Chassis ...

Page 46: ...ccess 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 drive access panel reverse the removal procedures Drive Access Panel 39 ...

Page 47: ...omputer for disassembly see Preparing to Disassemble the Computer on page 33 2 Remove the center access panel see Hinge Cover Panel on page 34 3 Remove the drive access panel see Drive Access Panel on page 38 4 Remove the screw through the tab on the end of the drive that secures the drive to the computer Figure 6 10 Removing the optical disc drive security screw 40 Chapter 6 Removal and Replaceme...

Page 48: ...he computer Figure 6 11 Removing the optical disc drive 6 If you need to remove the drive bracket from the drive remove the two screws 1 that secure the bracket to the drive and then remove the bracket from the drive 2 NOTE Optical drive spare part kits do not include replacement brackets Figure 6 12 Removing the optical drive bracket To install an optical drive reverse the removal procedures Opti...

Page 49: ...epare 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 3 Remove the drive access panel see Drive Access Panel on page 38 4 Loosen the captive screw next to the front of the drive that secures the drive to the computer Figure 6 14 Loosening the hard drive security screw 42 Chapter 6 Removal and Replac...

Page 50: ...ge 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 grommets behind each screw They must stay attached to the cage when installing a new hard drive Figure 6 16 Removing the hard drive mounting screws Hard Drive 43 ...

Page 51: ...e removal procedures NOTE If you choose to install an optional 2 5 inch solid state drive SSD or self encrypting drive SED you must mount that drive in a drive 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 ...

Page 52: ...maximum memory support you can populate the system board with up to 16 GB of memory For proper system operation the SODIMMs must be industry standard 204 pin unbuffered non ECC PC3 10600 DDR3 1600 MHz compliant 1 5 volt DDR3 SDRAM SODIMMs The DDR3 SDRAM SODIMMs must also support CAS latency 9 DDR3 1600 MHz 9 9 9 timing contain the mandatory Joint Electronic Device Engineering Council JEDEC specifi...

Page 53: ...channel populated with the least amount of memory describes the total amount of memory assigned to dual channel and the remainder is assigned to single channel If one channel will have more memory than the other the larger amount should be assigned to channel A In any mode the maximum operational speed is determined by the slowest SODIMM in the system There are two memory sockets on the system boa...

Page 54: ... 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 module Memory 47 ...

Page 55: ...the tab on the memory socket 8 Press the memory cover back in place Insert the bottom edge of the memory cover into the sheet metal shielding first then press the top edge of memory cover down Ensure that all the tabs on the memory cover are pressed firmly against the sheet metal shielding Figure 6 22 Replacing the memory cover The computer automatically recognizes the additional memory when you t...

Page 56: ...e battery is not handled properly To reduce the risk of personal injury Do not attempt to recharge the battery Do not expose to temperatures higher 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 compute...

Page 57: ...move the center access panel see Hinge Cover Panel on page 34 3 Remove the memory access panel see Memory Access Panel on page 36 4 Pull upward on the raised tab on the memory cover and lift the cover off the computer Figure 6 24 Removing the memory cover 5 Depending on the type of battery holder on the system board complete the following instructions to replace the battery Type 1 a Lift the batte...

Page 58: ...under the holder s lip with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery 2 Figure 6 26 Removing and replacing a coin cell battery Type 2 Type 3 a Pull back on the clip 1 that is holding the battery in place and remove the battery 2 b Insert the new battery and position the clip back into place Figure 6 27 Removing a coin cell battery Type 3...

Page 59: ...e 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 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the 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 ...

Page 60: ...emoving 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 Cover 53 ...

Page 61: ... on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the heat sink cover see Heat Sink Cover on page 52 7 Loosen the four silver captive Torx screws on the heat sink 1 CAUTION Remove heat sink retaining screws in diagonally opposite pairs as in an X to even the downward forces on the processor This is especially important as...

Page 62: ...k 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 the surface of the processor or the heat sink To replace the heat sink reverse the removal procedures Heat Sink Thermal Module 55 ...

Page 63: ... 9 Carefully lift the processor from the socket 3 CAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board The heat sink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connections Figure 6 35 Remo...

Page 64: ...p 7 6 If using a new fan sink remove the protective covering from the bottom of the fan sink and place it in position atop the processor 7 Secure the fan sink to the system board and system board tray CAUTION Fan sink retaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the fan sink on the processor This is especially important as the pins on the socket are v...

Page 65: ...nel see Hinge Cover Panel on page 34 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 On the top of the computer remove the two black Torx screws 1 that secure the top panel to the computer 6 Rotate the top of the panel outward 2 and then lift the panel off the computer Figure 6 37 Removing the top panel To repl...

Page 66: ...ation To remove the webcam module 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 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the top panel see Top Panel on page 58 Webcam Module 59 ...

Page 67: ... module screws 7 As far as the cable allows remove the webcam module from the computer and then disconnect the cable 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 ...

Page 68: ...puter on page 33 2 Remove the center access panel see Hinge Cover Panel on page 34 3 Remove the three silver Torx screws 1 that secure the stand to the computer 4 Lift the memory and drive access panel latches 2 5 Slide the stand toward the top of the computer slightly 3 and then lift the stand off the computer 4 Figure 6 41 Removing the stand To replace the stand reverse the removal procedures St...

Page 69: ...access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the optical drive see Optical Drive on page 40 7 Remove the top panel see Top Panel on page 58 8 Remove the five black Torx screws that secure the rear panel to the computer 1 9 Pry the cover off the computer by pulling the top edge 2 loose then prying the side loose near the memory modules 3 bottom sid...

Page 70: ...o Disassemble the Computer on page 33 2 Remove the center access panel see Hinge Cover Panel on page 34 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the optical drive see Optical Drive on page 40 7 Remove the heat sink cover see Heat Sink Cover on page 52 8 Remo...

Page 71: ...onnector labeled CHASSIS_FAN1 Figure 6 44 Fan screws 11 Slide the fan toward the right to remove it from underneath the metal bracket and then lift the fan from the 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 ...

Page 72: ... Panel on page 34 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the optical drive see Optical Drive on page 40 7 Remove the top panel see Top Panel on page 58 8 Remove the rear cover see Rear Cover on page 62 9 Disconnect the two cables from the board 1 NOTE Be c...

Page 73: ...board for the installed display panel as follows CAUTION Incorrect jumper placement can result in damage to the converter board LG panel pins 1 2 3 4 Samsung 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 ...

Page 74: ...on page 75 Figure 6 48 Sidekey board location To remove the sidekey board 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 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on pa...

Page 75: ...hen 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 All in One AIO Chassis ...

Page 76: ...ing 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 screws and two hex screws around the serial port Figure 6 52 System board shield location System Board Shield 69 ...

Page 77: ...al Drive on page 40 7 Remove the top panel see Top Panel on page 58 8 Remove the heat sink 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 lower left also secures the stand bracket 11 Remove the two silver hex screws around the serial port 2 12 Lift the shi...

Page 78: ...nter access panel see Hinge Cover Panel on page 34 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the optical drive see Optical Drive on page 40 7 Remove the top panel see Top Panel on page 58 8 Remove the rear cover see Rear Cover on page 62 9 Remove the heat sin...

Page 79: ...dule screw and antennas 13 Lift the module to a 45 degree angle and then pull it away to remove it from the socket Figure 6 56 Removing the WLAN module To install the 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 ...

Page 80: ...ove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the optical drive see Optical Drive on page 40 7 Remove the heat sink cover see Heat 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 To...

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 ...

Page 82: ...e 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 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the optical drive see Optical Drive on page 40 7 Remove the top pan...

Page 83: ...and bracket you 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 reverse the removal procedures NOTE When reinstalling the stand bracket be sure to insert the right side of the bracket underneath the system board cover 76 Chapter 6 Removal an...

Page 84: ...ee Memory on page 45 5 Remove the drive access panel see Drive Access Panel on page 38 6 Remove the stand see Stand on page 61 7 Remove the optical drive see Optical Drive on page 40 8 Remove 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 R...

Page 85: ...edures Updating SMBIOS Information When replacing the system board you must reprogram the SMBIOS information on the affected computer Failure to reprogram the board will result in eventual failure such as an activation failure need to reactivate the system or a system recovery failure To update SMBIOS information in Computer Setup 1 Turn on or restart the computer 2 Press Esc while the Press the E...

Page 86: ...ocalization Code Support Asset Tag Enter the 18 byte identifier assigned to the computer Support Feature Byte Enter the Feature Byte string The feature byte string is case dependent The label includes spaces after every four characters You can enter or ignore these spaces their only purpose is to help with data entry There is a character limitation of 40 bytes per line When you reach this limit go...

Page 87: ... access panel see Hinge Cover Panel on page 34 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the hard drive see Hard Drive on page 42 7 Remove the optical drive see Optical Drive on page 40 8 Remove the top panel see Top Panel on page 58 9 Remove the rear cover s...

Page 88: ...ge 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 connectors To install the hard drive or optical drive connector reverse the removal procedures Hard Drive and Optical Drive Cables and Connectors 81 ...

Page 89: ...ory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the optical drive see Optical Drive on page 40 7 Remove the heat sink cover see Heat Sink Cover 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...

Page 90: ...rom 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 ...

Page 91: ...ee Hinge Cover Panel on page 34 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the top panel see Top Panel on page 58 6 Remove the rear cover see Rear Cover on page 62 7 Remove the speakers see Speakers on page 73 8 Remove the power switch assembly cable from the front bezel You do not have to remove th...

Page 92: ...acklight cable specific to the manufacturer Make sure you use the backlight cable packaged with the display panel The display panel is secured to the base pan with four Torx screws as follows CMI two screws on top two screws on the bottom LG and Samsung two screws on each side but in different locations To remove the display panel 1 Prepare the computer for disassembly see Preparing to Disassemble...

Page 93: ...o not 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 cable that comes with the new display panel kit Remove the backlight cable from the defective panel before sending the panel back to the supplier Figure 6 69 Removing the display cable from the...

Page 94: ...LG or Samsung panels The CMI panel is secured with two screws on top two screws on the bottom Figure 6 71 Display panel screw locations CMI panel 12 Lift the display panel from the frame 13 Be sure to correctly position the jumpers on the converter board for the installed display panel as follows CAUTION Incorrect jumper placement can result in damage to the converter board and LCD panel LG panel ...

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 ...

Page 96: ...nter access panel see Hinge Cover Panel on page 34 3 Remove the memory access panel see Memory Access Panel on page 36 4 Remove the drive access panel see Drive Access Panel on page 38 5 Remove the stand see Stand on page 61 6 Remove the optical drive see Optical Drive on page 40 7 Remove the top panel see Top Panel on page 58 8 Remove the rear cover see Rear Cover on page 62 9 Remove the front be...

Page 97: ...el 4 and then remove the power switch assembly from the front bezel 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 ...

Page 98: ...opriate solutions below to try to isolate the exact problem before calling for technical support Run the HP diagnostic tool Run the hard drive self test in Computer Setup Refer to Computer Setup F10 Utility on page 10 for more information Check the Power LED on the front of the computer to see if it is flashing red The flashing lights are error codes that will help you diagnose the problem Refer t...

Page 99: ... restore the system to its original factory condition in System Software Requirement Disks SSRD CAUTION Restoring the system will erase all data on the hard drive Be sure to back up all data files before running the restore process NOTE For sales information and warranty upgrades Care Packs call your local authorized service provider or dealer Helpful Hints If you encounter problems with the compu...

Page 100: ...sing a printer you need a driver for that model printer Remove all bootable media CD DVD or USB device from the system before turning it on If you have installed an operating system other than the factory installed operating system check to be sure that it is supported on the system If the system has multiple video sources embedded PCI or PCI Express adapters installed embedded video on some model...

Page 101: ...er will not respond to keyboard or mouse Cause Solution Computer is in Sleep state To resume from Sleep state press the power button CAUTION When attempting to resume from Sleep state do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose any unsaved data System has locked up Restart computer Computer date and time display is incorrect ...

Page 102: ...or access panel Cause Solution Smart Cover Lock featured on some computers is locked Unlock the Smart Cover Lock using Computer Setup In case of forgotten password power loss or computer malfunction you must manually disable the Smart Cover lock A key to unlock the Smart Cover Lock is not available from HP Keys are typically available from a hardware store Poor performance Cause Solution Processor...

Page 103: ...plications that you do not want to launch automatically and the click OK In Windows 8 a On the Start screen right click and then select the All apps icon b Under Windows System click Run c Type msconfig and then press Enter d On the Startup tab of the System Configuration Utility clear applications that you do not want to launch automatically and the click OK Some software applications especially ...

Page 104: ...r on Press and hold the power button for less than 4 seconds If the hard drive LED turns green then 1 If equipped with a voltage selector check that the voltage selector located on the rear of the power supply 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 s...

Page 105: ...cally and the Power LED flashes Red two times once every second followed by a two second pause and the computer beeps two times Beeps stop after fifth iteration but LEDs continue flashing Cause Solution Processor thermal protection activated A fan may be blocked or not turning OR The heat sink is not properly attached to the processor 1 Ensure that the computer air vents are not blocked and the pr...

Page 106: ...evice is causing the problem by removing ALL attached devices such as hard drives or optical drives and expansion cards Power on the system If the system enters POST then power off and replace one device at a time and repeat this procedure until failure occurs Replace the device that is causing the failure Continue adding devices one at a time to ensure all devices are functioning properly 4 Repla...

Page 107: ...rer from the list of applications In the left column expand Computer right click on a drive select Properties and then select the Tools tab Under Error checking click Check Drive not found identified Cause Solution Cable could be loose Check cable connections The system may not have automatically recognized a newly installed device See reconfiguration directions in the Solving Hardware Installatio...

Page 108: ...hard drive is not listed first in the Boot Order Run the Computer Setup utility and select Storage Boot Order and ensure the bootable hard drive is listed immediately under the Hard Drive entry Computer will not boot from hard drive Cause Solution The device is attached to a SATA port that has been hidden in Computer Setup 1 Check SATA cable connections 2 Run the Computer Setup utility and ensure ...

Page 109: ... 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 the power button again 102 Chapter 7 Troubleshooting Without Diagnostics ...

Page 110: ... make sure that the lock tab located on the bottom of the Memory Stick PRO card is not in the locked position Can not write to the media card Cause Solution The media card is a read only memory ROM card Check the manufacturer s documentation included with your card to see if it writable Refer to the previous section for a list of compatible cards Media card is locked Locking the media card is a sa...

Page 111: ... 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 a few seconds so that the operating system can recognize the reader and the available ports and then recognize the media inserted in the reader After inserting a media card in the reader the c...

Page 112: ... state Press the power button to resume from Sleep state CAUTION When attempting to resume from Sleep state do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose any unsaved data Monitor cable is plugged into the wrong connector Systems may have a monitor connection on both the motherboard or an add in card Try moving the monitor conne...

Page 113: ...if applicable 3 Replace the system board For systems with integrated graphics replace the system board Blank screen and the power LED flashes Red seven times once every second followed by a two second pause and the computer beeps seven times Beeps stop after fifth iteration but LEDs continue flashing Cause Solution System board failure ROM detected failure prior to video Replace the system board M...

Page 114: ...n close proximity be sure the monitors are not interfering with each other s electromagnetic field by moving them apart 3 Fluorescent lights or fans may be too close to the monitor Monitor needs to be degaussed Degauss the monitor Refer to the documentation that came with the monitor for instructions Image is not centered Cause Solution Position may need adjustment Press the monitor s Menu button ...

Page 115: ...ghts When your computer is in safe mode Safe Mode displays in the corners of your monitor To exit safe mode restart your computer and let Windows start normally To enter Safe Mode in 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 select Advanced options select Startup...

Page 116: ...ist you with the synchronization go to the following Web site select the appropriate monitor and download either SP32347 or SP32202 http www hp com support Graphics card is not seated properly or is bad some models 1 Reseat the graphics card 2 Replace the graphics card Certain typed symbols do not appear correct Cause Solution The font you are using does not support that particular symbol Use the ...

Page 117: ...rnal speakers plugged into the wrong audio jack on a recently installed sound card See the sound card documentation for proper speaker connection The rear audio jack output is the green receptacle Headphones or devices connected to the line out connector mute the internal speaker Turn on and use headphones or external speakers if connected or disconnect headphones or external speakers Computer is ...

Page 118: ...tion The hard disk may be full Before recording make sure there is enough free space on the hard disk You can also try recording the audio file in a compressed format Line in jack is not functioning properly Cause Solution Jack has been reconfigured in the audio driver or application software In the audio driver or application software reconfigure the jack or set the jack to its default value Ther...

Page 119: ...it is online The correct printer drivers for the application are not installed 1 Install the correct printer driver for the application 2 Try printing using the MS DOS command DIR C printer port where printer port is the address of the printer being used If the printer works reload the printer driver To run MS DOS commands press the Windows key r type cmd in the Open box and then click OK If you a...

Page 120: ...s may not be connected properly Reconnect all cables Printer memory may be overloaded Reset the printer by turning it off for one minute then turn it back on Printer will not print Cause Solution The printer may be out of paper Check the paper tray and refill it if it is empty Solving Printer Problems 113 ...

Page 121: ...are not recognized by the computer Cause Solution Keyboard connector is not properly connected Shut down the computer reconnect the keyboard to the back of the computer and then restart the computer Program in use has stopped responding to commands Shut down your computer using the mouse and then restart the computer Keyboard needs repairs See the Worldwide Limited Warranty for terms and condition...

Page 122: ...he computer or the keyboard and restart Program in use has stopped responding to commands Shut down the computer using the keyboard then restart the computer Mouse may need cleaning Remove the roller ball cover on the mouse and clean the internal components Mouse may need repair See the Worldwide Limited Warranty for terms and conditions Computer is in Sleep state Press the power button to resume ...

Page 123: ...al device are loose or power cables are unplugged Ensure that all cables are properly and securely connected and that pins in the cable or connector are not bent down Power switch of new external device is not turned on Turn off the computer turn on the external device then turn on the computer to integrate the device with the computer system When the system advised you of changes to the configura...

Page 124: ...ry is installed incorrectly or is bad CAUTION To avoid damage to the DIMMs or the system board you must unplug the computer power cord before attempting to reseat install or remove a DIMM module 1 Reseat DIMMs Power on the system 2 Replace DIMMs one at a time to isolate the faulty module NOTE DIMM1 or XMM1 must always be installed On all computers except the USDT DIMM1 must be installed before DIM...

Page 125: ... Saving option in Computer Setup Select Power Hardware Power Management S5 Maximum Power Savings S5 Wake on LAN is disabled some models Enable the S5 Wake on LAN option in Computer Setup Select Advanced Device Options S5 Wake on LAN Wake on LAN is not enabled To enable Wake on LAN in Windows 7 1 Select Start Control Panel Network and Sharing Center 2 Under Tasks select Manage network connections 3...

Page 126: ...k 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 access Device Manager in Windows 8 from the Start screen type c select Control Panel from the list of applicati...

Page 127: ...led The network controller is not configured for this computer Select the Network and Sharing Center icon in the Control Panel and configure the network controller To access Control Panel in Windows 7 click Start and then select Control Panel To access Control Panel in Windows 8 from the Start screen type c and then select Control Panel Network controller stopped working when an expansion board wa...

Page 128: ...ins the NIC drivers for your NIC System setup utility reports unprogrammed EEPROM Cause Solution Unprogrammed EEPROM Contact an authorized service provider Solving Memory Problems If you encounter memory problems some common causes and solutions are listed in the following table CAUTION Power may still be supplied to the DIMMs when the computer is turned off depending on the Management Engine ME s...

Page 129: ...g POST is wrong Cause Solution The memory modules may not be installed correctly Check that the memory modules have been installed correctly and that proper modules are used Integrated graphics may use system memory No action required Insufficient memory error during operation Cause Solution Too many Terminate and Stay Resident programs TSRs are installed Delete any TSRs that you do not need You h...

Page 130: ...ssor does not support a feature previously enabled on this system 1 Install a TXT Trusted Execution Technology capable processor 2 Disable TXT in the Computer Setup F10 utility 3 Reinstall the original processor Solving CD ROM and DVD Problems If you encounter CD ROM or DVD problems see the common causes and solutions listed in the following table or to the documentation that came with the optiona...

Page 131: ...e problem If this is a newly installed drive run the Computer Setup utility and try adding a POST delay under Advanced Power On Options The device is attached to a SATA port that has been hidden in Computer Setup Run the Computer Setup utility and ensure Device Available is selected for the device s SATA port in Security Device Security Drive responds slowly immediately after power up Run Computer...

Page 132: ...s listed for this topic CD or DVD disc is dirty Clean CD or DVD with a CD cleaning kit available from most computer stores Windows does not detect the CD ROM or DVD ROM drive 1 Use Device Manager to remove or uninstall the device To access Device Manager in 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 s...

Page 133: ...e device is fully inserted into the USB port before applying power to the system System will not boot from USB flash drive Cause Solution Boot order is not correct Run the Computer Setup utility and change boot sequence in Storage Boot Order Removable Media Boot is disabled in the Computer Setup utility Run the Computer Setup utility and enable booting to removable media in Storage Storage Options...

Page 134: ...t the USB ports are set to Enabled in Security USB Security Solving Internet Access Problems If you encounter Internet access problems consult your Internet Service Provider ISP or refer to the common causes and solutions listed in the following table Unable to connect to the Internet Cause Solution Internet Service Provider ISP account is not set up properly Verify Internet settings or contact yo...

Page 135: ...ptions 3 In the Browsing history section on the 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 2 Click Internet Options 3 In the Browsing history section on the General tab click the Delete button 4 Select the Cookies check box and click the Delete bu...

Page 136: ...ting 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 table Computer will not continue and the HP logo does not display Cause Solution ROM issue POST error has occurred Observe the beeps and LED lights on the front of the computer See Appendix A POST Error ...

Page 137: ... use Automatic Repair 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 options and then select Automatic Repair Windows starts Automatic Repair 4 Select the account to us...

Page 138: ...u visit 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 Contacting Customer Support 131 ...

Page 139: ... and expedite the support process when issues are found The tools save time by pinpointing the component that needs to be replaced Isolate true hardware failures The diagnostics run outside of the operating system so they effectively isolate hardware failures from issues that may be caused by the operating system or other software components Failure ID When a failure is detected that requires hard...

Page 140: ... Pressing F2 signals the system to search for the diagnostics in the following locations a A 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 c A core set of diagnostics in the BIOS for memory and hard disk drive that are accessible only if the USB or hard disk drive...

Page 141: ...tem 7 In the Diagnostic section click the HP UEFI Support Environment link This link provides additional information or Click the Download button and select Run The download includes instructions in English on how to install the tools on the USB device NOTE HP diagnostic solutions are developed to test components typically included on HP products They may not diagnose all third party accessories t...

Page 142: ...o set restore points manually NOTE Always use this System Restore procedure before you use the System Recovery feature NOTE Some features might not be available on systems that are shipped without a Windows operating system To start System Restore 1 Close all open programs 2 Click the Start button right click Computer and then click Properties 3 Click System protection System Restore click Next an...

Page 143: ...CAUTION System Recovery deletes all data and programs you created or installed Before you begin back up any important data to a CD or DVD or to a USB flash drive NOTE In some cases you must use recovery media for this procedure To create this media follow the instructions in Creating recovery media on page 138 If the computer is working and Windows 7 is responding use these steps to perform a Syst...

Page 144: ...therwise select Recover without backing up your files and then click Next 7 System Recovery begins After System Recovery is complete click Finish to restart the computer 8 When Windows has loaded shut down the computer reconnect all peripheral devices and then turn the computer back on System recovery using recovery media You should create a set of recovery media either a set of DVDs or a USB flas...

Page 145: ...low the on screen instructions Label each disc as you make it for example Recovery 1 Recovery 2 and then store the discs in a secure place To create a recovery USB flash drive NOTE You must use a flash drive with a capacity of at least 8 GB 1 Close all open programs 2 Insert the USB flash drive into a USB port on the computer 3 Click the Start button click All Programs click Security and Protectio...

Page 146: ...use 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 Use the arrow keys to select the location where the recovery media is inserted USB or DVD Press Enter to boot from that device 6 If Recovery Manager asks if you want to run System Recovery from Media or Hard Drive select ...

Page 147: ...er initial system setup As you add new software and data files you should continue to back up your system on a regular basis to maintain a reasonably current backup The system repair media is used to start up boot the computer and repair the operating system in case of system instability or failure Your initial and subsequent backups allow you to restore your data and settings if a failure occurs ...

Page 148: ...at the hard drive For additional information go to Help and Support From the Start screen type h and then select Help and Support 1 If possible back up all personal files 2 If possible check for the presence of the HP Recovery partition and the Windows partition From the Start screen type e and then click Windows Explorer or From the Start screen type c and then select Computer NOTE If the Windows...

Page 149: ...1 to select the System Recovery option 5 Follow the on screen instructions Using Windows 8 operating system media purchased separately To order Windows 8 operating system media go to http www hp com support select your country or region and follow the on screen instructions You can also order the media by calling support CAUTION Using Windows 8 operating system media completely erases hard drive c...

Page 150: ...unt 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 the operating system and the extent to which it is tested are determined by the POST mode selection Full Boot may also be ...

Page 151: ...d 5 Replace the system board 511 CPU Fan not Detected CPU fan is not connected or may have malfunctioned 1 Reseat CPU fan 2 Reseat fan cable 3 Replace CPU fan 1720 SMART Hard Drive Detects Imminent Failure Hard drive is about to fail Some hard drives have a hard drive firmware patch that will fix an erroneous error message 1 Determine if hard drive is giving correct error message Enter Computer Se...

Page 152: ...fth iteration but LEDs continue until problem is solved 5 Pre video memory error CAUTION To avoid damage to the DIMMs or the system board you must unplug the computer power cord before attempting to reseat install or remove a DIMM module 1 Reseat DIMMs 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 White Power LED f...

Page 153: ...ou establish both passwords only the setup password will give you access to Computer Setup When both passwords are set the setup password can also be used in place of the power on password as an override to log in to the computer This is a useful feature for a network administrator If you forget the password for the computer you can clear that password so you can gain access to the information on ...

Page 154: ...ss the ESC key for Startup Menu message is displayed at the bottom of the screen 3 Press the F10 key to enter 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 a Setup or ...

Page 155: ...system Static electricity can damage the electronic components of the computer or optional equipment Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object See the Regulatory Safety and Environmental Notices guide for more information 3 Remove the access panel 4 Locate the header and jumper labeled PW NOTE The password jum...

Page 156: ...en the unit is turned off Failure to disconnect the power cord can result in damage to the system Static electricity can damage the electronic components of the computer or optional equipment Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object See the Regulatory Safety and Environmental Notices guide for more informatio...

Page 157: ...cy responsible for evaluation in the country where the power cord set will be installed 2 The power cord set must have a minimum current capacity of 10A 7A Japan only and a nominal voltage rating of 125 or 250 volts AC as required by each country s power system 3 The diameter of the wire must be a minimum of 0 75 mm2 or 18AWG and the length of the cord must be between 1 8 m 6 feet and 3 6 m 12 fee...

Page 158: ... set fittings appliance coupler and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used 2 The flexible cord must be Type SVT or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration 3 Appliance coupler flexible cord and wall plug must bear ...

Page 159: ...atio Image brightness Viewing angle typical Pixel pitch Backlight lamp life to half brightness Color gamut typical Anti glare TN Twisted Nematic LED Backlit LCD 442 8 H x 249 075 V mm 1600x900 1000 1 typical 250 nits typical 85 85 80 80 L R U D 0 27675 H x 0 27675 W mm 30 000 hours minimum 72 Yes Temperature Range Operating Nonoperating 41 to 95 F 22 to 149 F 5 to 35 C 30 to 65 C Relative Humidity...

Page 160: ... continued Maximum Altitude unpressurized Operating Nonoperating 0 6 500 ft 0 15 000 ft 0 2000 m 4 572 m Power Supply Rated Voltage Range Rated Line Frequency 100 240 V 50 60 Hz Max Operating Power 150 W All in One Models 153 ...

Page 161: ...g damage 27 error codes 143 145 messages 144 F f11 recovery 142 fan removing 63 features overview 1 flash drive problems 125 flashing LEDs 145 front bezel removing 84 front components 3 front panel problems 127 G general problems 94 grounding methods 28 H hard drive proper handling 32 removing 42 SATA characteristics 24 hard drive connector removing 80 hard drive problems 100 hard drive recovery 1...

Page 162: ...memory 45 memory access panel 36 optical drive 40 optical drive connector 80 power switch assembly 89 preparing to disassemble the computer 33 rear cover 62 sidekey board 67 speakers 73 stand 61 stand bracket 75 system board 77 system board shield 69 thermal module 54 top panel 58 webcam module 59 WLAN module 71 removing battery 49 resetting CMOS 146 password jumper 146 restoring the hard drive 14...

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