HP ZT1100 manual Basic Troubleshooting Steps

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Troubleshooting

The suggestions in this section can help isolate and repair the cause of a problem. To ensure quality repairs, follow the basic troubleshooting steps shown below.

Check the customer’s description of the problem and any supporting information.

Check for customer abuse.

Try to duplicate the customer’s problem.

Troubleshoot the problem using:

-Diagnostic tools.

-Troubleshooting suggestions.

Verify the repair by testing the functionality of the complete unit.

Figure 3-1. Basic Troubleshooting Steps

3-2

Troubleshooting and Diagnostics

HP Pavilion zt1100/xz100 Omnibook xt1000

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Contents HP Pavilion zt1100/xz100 Omnibook xt1000 Edition History Contents Figures Tables Source IntroductionAddress or Number Comments Product Information Pavilion zt1100/xz100 and Omnibook xt1000 Series ModelsTechnology code Product name Technology CodesDetails Features Front ViewBack View Bottom View Operation Activating Power ModesTurning the Notebook On and Off Checking the Notebook’s Status Main Status LightsUsing Fn Hot Keys Fn Hot KeysHot Key EffectResetting the Notebook Resetting the NotebookUsing the CD or DVD Player selected models Multimedia Buttons and Status PanelHardware Specifications SpecificationsAudio System Dimensions Product Information HP Pavilion zt1100/xz100 Omnibook xt1000 Tested Cross-Platform Accessories Accessory New AccessoriesDescription Replaceable Module Diagram Internal DesignFunction Bootup Processor Memory Components Used Infrared Wireless Docking PC cardFunctional Structure Component RolesPage Removal and Replacement Removal Cross-ReferenceDisassembly Flowchart Disassembly FlowRequired Equipment Recommended Screw TorquesScrew Thread Size Torque cm-kgf Torque in-lbfRemoving the Battery Removal ProcedureRemoving a Plug-In Module Releasing the Plug-in ModuleRemoving the Hard Disk Drive Removing the Hard Disk DriveRemoving the Hard Disk Tray Reassembly Notes Recovering and Reinstalling Software To recover the factory software installationRemoving the Keyboard Cover Removing the Keyboard Cover Retaining ScrewsRemoving the Keyboard Cover Reassembly Notes Removing the Keyboard Loosening the Keyboard Retaining ScrewsDisconnecting the Keyboard Reassembly Notes Removing an Sdram Module Removing an Expansion Sdram Module11. Installing an Expansion Sdram Module Removing the System Sdram ModuleReplacement Procedure Replacing Small PartsReplacing Small Parts User-Replaceable Part Cover, mini-PCI Cover, expansionHP Authorized Service Providers Only Removing the Mini-PCI Card13. Removing the Mini-PCI Card Reassembly Notes Removing the Display Assembly 14. Removing the Display15. Removing the Display Reassembly Notes Removing Display Assembly Components 16. Removing Display Assembly Components Reassembly Notes Removing the Fan and Heatsink 17. Removing the Fan and Heatsink 18. Installing a New Thermal Pad Removing the CPU Module 19. Removing the CPU Module Reassembly Notes Removing the Top Case 20. Removing the Top Case Retaining Screws 21. Removing the Top Case Reassembly Notes Removing the Hinge Saddles 22. Removing the Hinge Saddles Reassembly Notes When Installing a New Motherboard Removing the Motherboard or Bottom Case23. Removing the Motherboard Reassembly Procedure Reinstalling the Motherboard Installation Procedure Replacing the Bottom CaseInstalling a New Serial Number Label 26. Example of Serial Number LabelRemoving Notebook Components Removing Notebook ComponentsAdditional Steps PCA, USB Additional Steps Page Troubleshooting and Diagnostics Troubleshooting Basic Troubleshooting StepsChecking for Customer Abuse Page Scope of Diagnostic Tools Suggestions for TroubleshootingTroubleshooting Suggestions Call Center Suggestions Power/BatteryRepair Center Likely Causes Battery does not charge AC adapter does not power notebook Standby/resume Repair Center Likely Causes Repair Center CommentsDark display, no light White display Erratic display Back up drive immediately Was notebook or drive dropped? Files are corrupted Keyboard Call Center Suggestions General problems Click button does not work Modem Mini-PCI card. Motherboard One-Touch button problems PrintingUse Windows Search to locate computer on network Wireless Symptom PC card Video file playbackPage Clock loses time Diagtools Diagnostic Program Diagnostic ToolsUpdating e-Diagtools Running e-Diagtools Parallel Loopback Connector Interpreting the Results Power-On Self-Test Insyde MobilePRO Bios Post Beep Codes and MessagesBeep Code MessageSycard PCCtest Commands Sycard PCCtest 450/460 CardBus Card OptionalZt1100/xz100/xt1000 technology code IB Slot Pcmcia PC Card 16-bit test CardBus 32-bit testRunning the Bios configuration utility Bios Configuration UtilityBios Configuration Menus and Parameters Security Menu Updating the Notebook’s BiosExit Menu Replaceable Parts Exploded View Replaceable Parts for the Pavilion zt1100/xz100 Series Part NumberExchange Part Number User ReplReplaceable Parts HP Pavilion zt1100/xz100 Omnibook xt1000 Replaceable Parts for the Omnibook xt1000 Series Replaceable Parts HP Pavilion zt1100/xz100 Omnibook xt1000 Description Part Number Exchange User Repl Page Password Removal Policy Reference InformationHewlett-Packard Display Quality Statement TFT LCD Guidelines 14.1/15.0-in XGA Type of Imperfection Electrical ImperfectionsImperfections Not Allowed Mechanical ImperfectionsPage Page QJOLVK3ULQWHGLQ7DLZDQ