HP 800 G1 manual 13Solving Processor Problems, Poor performance is experienced Cause Solution

Page 121

Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

 

 

 

Memory is installed incorrectly or is bad.

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.

 

 

 

Solving Processor Problems

If you encounter processor problems, common causes and solutions are listed in the following table.

Table 8-13Solving Processor Problems

Poor performance is experienced.

Cause

Solution

 

 

 

Processor is hot.

1.

Make sure the airflow to the computer is not blocked.

 

2.

Make sure the fans are connected and working properly

 

 

(some fans only operate when needed).

 

3.

Make sure the processor heat sink is installed properly.

 

Power LED flashes Red three times, once every second, followed by a two second pause.

 

 

Cause

Solution

 

 

 

Processor is not seated properly or not installed.

1.

Check to see that the processor is present.

 

2.

Reseat the processor.

 

Power LED flashes Red eleven times, once every second, followed by a two second pause.

 

 

Cause

Solution

 

 

 

The current processor does not support a feature previously

1.

Install a TXT (Trusted Execution Technology) capable

enabled on this system.

 

processor.

 

2.

Disable TXT in the Computer Setup (F10) utility.

 

3.

Reinstall the original processor.

 

 

 

Solving Processor Problems 113

Image 121
Contents Maintenance & Service Guide Product notice Maintenance & Service GuideIii Safety warning noticeIv Safety warning notice Table of contents  Misc parts Cables Drives Sequential Part Number ListingDownloading HP PC Hardware Diagnostics to a USB device Why run HP PC Hardware Diagnostics UefiViii Backup and Recovery 122Standard configuration features Product featuresFront panel components Product featuresRear panel components EliteDesk Rear panel components ProDesk Serial number location Activating and customizing the software in Windows Activating and Customizing the SoftwareActivating the Windows operating system Installing or upgrading device drivers Downloading Windows 7 updatesCustomizing the monitor display Click Settings Change PC Settings Downloading Windows 8 updatesElectrostatic discharge information Preventing electrostatic damage to equipment Generating staticRelative Humidity Event 55% 40% 10% Grounding the work area Personal grounding methods and equipmentRecommended materials and equipment Static Shielding Protection LevelsOperating guidelines Cleaning the Computer Case General cleaning safety precautionsCleaning the keyboard Routine careCleaning the monitor Service considerationsCleaning the mouse Tools and software RequirementsDiagnostics software Tamper-resistant T-15 wrench Cables and connectorsScrews Hard DrivesSerial ATA Hard Drive Characteristics Lithium coin cell batterySata hard drives Smart ATA drives Sata hard drive cablesCable management Sata data cableIllustrated parts catalog Illustrated parts catalogDescription Spare part number Stand Power supply, 65WKeyboards Item Description Spare part number Misc partsDescription Spare part number Wlan modules CablesMouse Sequential Part Number Listing DrivesSpare part Description Number Thermal material Illustrated parts catalog Preparing to disassemble the computer Removal and Replacement ProceduresDescription Spare part number Access panel 768428-001 Access panelChanging from desktop to tower configuration Description Spare part number Hard drivePage Page Page Description Spare part number Speaker 762420-001 SpeakerPage Front bezel SODIMMs MemoryDDR3-SDRAM SODIMMs Description System Board Label Socket Color Populating Sodimm socketsInstalling SODIMMs Page Page Replacing the battery Type Type Description Spare part number Heat sink 768426-001 Heat sinkProcessor Carefully lift the processor from the socket Processor Description Spare part number Fan 768424-001 FanDrive cage Page Wlan module Page Solid-State Drive Page External connection antennas select models only Page Page Removal and Replacement Procedures System boards for use in ProDesk 600 models System boardUpdating Smbios Information Setup Field Name Comment Label System ID SetupDescription Spare part number Wlan antennas 768432-001 Wlan antennasPage Page Page Computer Setup F10 Utilities Computer Setup F10 UtilityComputer Setup F10 Utilities Using Computer Setup F10 UtilitiesComputer Setup F10 Utility Computer Setup-FileConfiguration Computer Setup-StorageOption Description Device Boot Order Removable Media BootShortcut to Temporarily Override Boot Order Storage Options Sata EmulationComputer Setup-Security Master Boot Record Network BootSlot Security System IDsSystem Security DriveLock Security Secure BootOption Description OS Power Computer Setup-PowerHardware Power ManagementOption Heading Power-On Options Computer Setup-AdvancedOnboard Devices Bios Power-OnBus Options Device OptionsOperations Connected BiosOption ROM Launch PolicyUpdate Bios via Recovering the Configuration SettingsNetwork Ethernet ConnectionWhy run HP PC Hardware Diagnostics Uefi HP PC Hardware DiagnosticsHow to access and run HP PC Hardware Diagnostics Uefi Downloading HP PC Hardware Diagnostics to a USB device Safety and Comfort Before You Call for Technical Support Troubleshooting Without DiagnosticsHelpful Hints Page 1Solving General Problems Solving General ProblemsComputer date and time display is incorrect Cause Solution Select Control PanelCannot remove computer cover or rear cover Cause Solution There is no sound or sound volume is too low Cause SolutionPoor performance Cause Solution Advanced Device OptionsRun Go to Start All Programs AccessoriesAll apps icon Under Windows System, click RunProcessor fan or other system fan spins. If the fan 2Solving Power Problems Solving Power ProblemsPower supply shuts down intermittently Cause Solution Some models, is set to the appropriate voltage. Proper 3Solving Hard Drive Problems Solving Hard Drive ProblemsNonsystem disk/NTLDR missing message Cause Solution Advanced Power-On OptionsStorage Boot Order list Computer will not boot from hard drive Cause SolutionComputer seems to be locked up Cause Solution Device Configuration4Solving Media Card Reader Problems Solving Media Card Reader ProblemsCan not write to the media card Cause Solution Explorer from the list of applications. Expand Computer 5Solving Display Problems Solving Display ProblemsBlank screen no video Cause Solution Select Adjust screen resolutionSolving Display Problems Image is not centered Cause Solution Dim characters Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Out of Range displays on screen Cause Solution Support Certain typed symbols do not appear correct Cause Solution6Solving Audio Problems Solving Audio ProblemsSound cuts in and out Cause Solution Device Security System AudioLine-in jack is not functioning properly Cause Solution 100 Troubleshooting Without DiagnosticsControl Panel, and then select Device Manager 7Solving Printer Problems Solving Printer ProblemsControl Panel , and then select Device Manager Printer will not turn on Cause Solution 102 Troubleshooting Without DiagnosticsPrinter prints garbled information Cause Solution Printer will not print Cause SolutionSolving Keyboard and Mouse Problems 103 Solving Keyboard and Mouse Problems8Solving Keyboard Problems 9Solving Mouse Problems 104 Troubleshooting Without DiagnosticsSolving Hardware Installation Problems 105 Solving Hardware Installation Problems10Solving Hardware Installation Problems Security USB SecurityComputer will not start Cause Solution 106 Troubleshooting Without Diagnostics11Solving Network Problems Solving Network ProblemsWake-on-LAN feature is not functioning Cause Solution 108 Troubleshooting Without Diagnostics Manager Network status link light never flashes Cause Solution Diagnostics reports a failure Cause Solution 110 Troubleshooting Without DiagnosticsNew network card will not boot Cause Solution Solving Memory Problems12Solving Memory Problems 112 Troubleshooting Without DiagnosticsOut of memory error Cause Solution Memory count during Post is wrong Cause Solution13Solving Processor Problems Solving Processor ProblemsPoor performance is experienced Cause Solution Cause Solution114 Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems14Solving CD-ROM and DVD Problems Security Network BootCannot eject compact disc tray-load unit Cause Solution Movie will not play in the DVD drive Cause Solution116 Troubleshooting Without Diagnostics Solving USB Flash Drive Problems15Solving USB Flash Drive Problems USB flash drive not found identified Cause SolutionSolving Front Panel Component Problems 117 Solving Front Panel Component ProblemsAre set to Enabled in Security USB Security 118 Troubleshooting Without Diagnostics Solving Internet Access ProblemsUnable to connect to the Internet Cause Solution Select Start Control PanelROM issue Post error has occurred Solving Software ProblemsSystem files may be damaged 120 Troubleshooting Without DiagnosticsContacting Customer Support Restoring and recovering in Windows Backup and RecoverySystem Restore Restoring and recovering in Windows 7 System RecoverySystem Recovery when Windows is not responding Creating recovery media Using recovery media Backing up your information Backup and recovery in WindowsUsing the Windows recovery tools Performing a system recoveryFollow the on-screen instructions Using f11 recovery toolsPage Post Error Messages Post Numeric Codes and Text Messages Post Error Messages1Numeric Codes and Text Messages Control panel message Description Recommended actionPost Numeric Codes and Text Messages Verify monitor is attached and turned Sata Emulation to IDE, and select File Change Storage Storage OptionsSave Changes and Exit. Reenter Drivelock Security. For each listedPost Error Messages If the error persists, update to the latest Bios version and ME firmware version Keyboard failure while Network Server 2Diagnostic front panel LEDs and audible codes Interpreting Post diagnostic front panel LEDsActivity Possible Cause Recommended ActionFor systems with integrated graphics, replace Install a TXT capable processor Cmos Password Security and ResettingPassword Security and Resetting Cmos Establishing a Setup or Power-on passwordResetting the Setup and Power-on password Clearing and resetting the Cmos Cmos button Locate, press, and hold the Cmos button in for five secondsJapanese Power Cord Requirements Power Cord Set RequirementsGeneral requirements Country-specific requirements 149 Country-specific requirementsCountry Accrediting Agency Appendix B Statement of Volatility-HP EliteDesk 800 G1 Statement of Volatility-HP EliteDesk 800 G1Page Appendix C Statement of Volatility-HP ProDesk 600 G1 Statement of Volatility-HP ProDesk 600 G1Page Appendix D Specifications SpecificationsApproximate Weight Temperature RangeMax Operating Power Power Supply155 Maximum Altitude unpressurizedCmos IndexConnectors on system board Hard drive ResettingFan Front bezel Heat sink Preparing to disassemble
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