HP 402 G1 Correct operating mode, Diagnostics reports a failure Cause Solution, Cable Correctly

Page 87

Table 7-11Solving Network Problems (continued)

Network status link light never flashes.

NOTE: The network status light is supposed to flash when there is network activity.

Cause

Solution

 

 

 

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.

 

 

Network driver is not properly loaded.

Reinstall network drivers.

 

 

System cannot autosense the network.

Disable auto-sensing capabilities and force the system into the

 

correct operating mode.

 

 

Diagnostics reports a failure.

 

 

 

Cause

Solution

The cable is not securely connected.

Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device.

The cable is attached to the incorrect connector.

Ensure that the cable is attached to the correct connector.

 

 

There is a problem with the cable or a device at the other end of

Ensure that the cable and device at the other end are operating

the cable.

correctly.

 

 

Network controller interrupt is shared with an expansion board.

Under the Computer Setup Advanced menu, change the resource

 

settings for the board.

 

 

The network controller is defective.

Contact an authorized service provider.

 

 

Diagnostics passes, but the computer does not communicate with the network.

Cause

Solution

Network drivers are not loaded, or driver parameters do not match current configuration.

Make sure the network drivers are loaded and that the driver parameters match the configuration of the network controller.

Make sure the correct network client and protocol is installed.

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 8, from the Start screen, type c, and then select Control Panel.

Network controller stopped working when an expansion board was added to the computer.

Cause

Solution

 

 

Network controller interrupt is shared with an expansion board.

Under the Computer Setup Advanced menu, change the resource

 

settings for the board.

 

 

Solving network problems 79

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Contents Maintenance & Service Guide Product notice Iii Safety warning noticeIv Safety warning notice Table of contents System board callouts Troubleshooting without diagnosticsVii 100103 104Viii 106107 110Standard configuration features Product featuresStandard configuration features Drive configuration may vary by modelProduct features Rear panel componentsSerial number location Activating the Windows operating system Downloading Windows 8 updatesActivating and customizing the software Activating and customizing the software in WindowsIllustrated parts catalog Major componentsIllustrated parts catalog Miscellaneous parts Item Component Access panelFront bezel Fan sink Power supply, 250 W Processors Miscellaneous partsOptical drive Mass storage devicesHard drives TB, 7200 rpm, 3.5 inch 500-GB, 7200 rpm, 3.5 inchSata data cable Serial ATA Hard Drive CharacteristicsSata hard drives Sata hard drive cablesPreventing electrostatic damage to equipment Smart ATA drivesElectrostatic discharge information Generating staticMethod Voltage Personal grounding methods and equipmentGrounding the work area Static Shielding Protection LevelsRecommended materials and equipment Operating guidelinesRoutine care General cleaning safety precautionsCleaning the computer case Cleaning the keyboardTools and software requirements Service considerationsCleaning the display Cleaning the mouseCables and connectors Lithium coin cell batteryHard drives Preparing to disassemble the computer Removal and replacement proceduresAccess panel Installing and removing drives Removing a slim optical disc driveDescription Page Page Installing a slim optical disc drive Page Removing and replacing a 3.5-inch hard drive Remove the access panel see Access panel onPage Page Page To remove the front bezel Front bezelPage Remove the access panel see Access panel on Memory MemoryGB memory module PC3-12800 4GB memory module PC3-12800 Page Expansion cards Page Fan Page RTC battery RTC batteryFan sink Page Before removing the processor, follow these steps ProcessorPage Power supply Page To remove the system board System boardSystem board Updating Smbios InformationSetup Field Name Comment Label System ID SetupSys Bd Label Component System board calloutsVGA connector Front I/O USB connectorRTC battery Network connector and USBComputer Setup F10 Utilities Computer Setup F10 UtilityUsing Computer Setup F10 Utilities Computer Setup F10 Utility1Computer Setup F10 Utility 2Computer Setup-File Computer Setup-File3Computer Setup-Storage Computer Setup-Storage4Computer Setup-Security Computer Setup-SecurityUSB Security Network BootMaster Boot Record Device SecuritySystem Security these System SecurityDriveLock Security Secure Boot ConfigurationLegacy Support to disabled 5Computer Setup-Power Computer Setup-Power6Computer Setup-Advanced for advanced users Computer Setup-AdvancedDevice Options PCI SERR# Generation. Default is enabledVGA Configuration AMT Configuration Bus OptionsRecovering the configuration settings Safety and comfort Before you call for technical support Troubleshooting without diagnosticsHelpful hints Computer date and time display is incorrect Cause Solution Solving general problemsSolving general problems 1Solving General ProblemsPoor performance Cause Solution Cause SolutionThere is no sound or sound volume is too low Cause Solution Cannot remove computer cover or access panel Cause SolutionUnder Windows System, click Run Solution Power supply shuts down intermittently Cause Solution Solving power problemsSolving power problems 2Solving Power Problems3Solving Hard Drive Problems Solving hard drive problemsSolving hard drive problems Computer’s software is used to safely eject the card Solving media card reader problems4Solving Media Card Reader Problems Can not write to the media card CauseBlank screen no video Cause Solution Solving display problemsSolving display problems 5Solving Display ProblemsScreen resolution Image is not centered Cause Solution Dim characters Cause SolutionMonitor’s on-screen display menu No Connection, Check Signal Cable displays on screen CauseSelect the monitor’s Auto-Adjustment option Out of Range displays on screen CauseSolving audio problems Solving audio problems6Solving Audio Problems Line-in jack is not functioning properly Cause Sound from headphones is not clear or muffled CauseThere is no sound or sound volume is too low Cause Select Device ManagerSolving printer problems Solving printer problems7Solving Printer Problems 8Solving Keyboard Problems Solving keyboard and mouse problemsComponents Solving hardware installation problems9Solving Mouse Problems Shut down the computer using the keyboardComputer will not start Cause Solution 10Solving Hardware Installation ProblemsPower Savings Solving network problemsSolving network problems 11Solving Network ProblemsWake-on-LAN feature is not functioning Cause Solution Network status link light never flashes Cause SolutionAdvanced Device Options S5 Wake on LAN Cable Correctly Correct operating modeDiagnostics reports a failure Cause Solution Settings for the boardNew network card will not boot Cause Solution Solving memory problems Solving memory problems12Solving Memory Problems Make sure the processor heat sink is installed properly Solving processor problems13Solving Processor Problems Some fans only operate when neededComputer Setup utility Solving CD-ROM and DVD problemsSolving CD-ROM and DVD problems 14Solving CD-ROM and DVD ProblemsCannot eject compact disc tray-load unit Cause Movie will not play in the DVD drive Cause Solution15Solving USB Flash Drive Problems Solving USB flash drive problemsSolving front panel component problems Solving USB flash drive problemsClick Internet Options Solving internet access problemsSet to Enabled in Security USB Security Unable to connect to the Internet Cause SolutionSolving software problems Solving software problemsContacting customer support HP PC Hardware Diagnostics Why run HP PC Hardware Diagnostics UefiHow to access and run HP PC Hardware Diagnostics Uefi Diagnostic section, click HP Uefi Support Environment Backup and Recovery Backup and recovery in WindowsBacking up your information Performing a system recovery To recover information you previously backed upFollow the on-screen instructions Backup and Recovery Using f11 recovery tools 1Numeric Codes and Text Messages Post Error MessagesPost Error Messages Post Numeric Codes and Text MessagesPost Numeric Codes and Text Messages Computer Setup or Windows utilities Flash Screen Image Corrupted Flash Screen image has errorsReseat power supply fan Reconfigure card resources and/or runEmulation to IDE, and select File Save Try a different USB key device for Inventory error during MEBx executionSystem Bios and ME firmware Functionality contained in the system BiosSystem Bios version General error during MEBx executionActivity Interpreting Post diagnostic front panel LEDs2Diagnostic front panel LEDs and audible codes Possible Cause Recommended Action White Power LED OnPossible Cause Recommended Action Interpreting Post diagnostic front panel LEDsPreviously enabled on this Red Power LED flashes sevenRecovery Mode section of the Desktop Install a TXT capable processorPassword Security and Resetting Cmos Establishing a Setup or Power-on passwordEstablishing a Setup or Power-on password Resetting the Setup and Power-on password Clearing and resetting the CmosPassword Security and Resetting Cmos Page Power Cord Set Requirements Japanese Power Cord RequirementsGeneral requirements Country-specific requirements Country-specific requirementsCountry Accrediting Agency Appendix B Statement of Volatility Statement of VolatilityEnter the F10 setup utility Specifications SpecificationsAppendix C Specifications Index Product ID location Removal and replacement All-in One chassis Fan Password Fan sink103 Problems Network Setup password 103 Power Software Printer Problems
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