HP ZT1100 manual

Page 82

Symptom

Performance

Call Center:

Repair Center:

Suggestions

Likely Causes

Repair Center: Comments

Notebook still on but stops responding.

Notebook pauses or runs sluggishly.

Press Ctrl+Alt+Del and end any application not responding.

Press and hold the power button four seconds to turn off and reset notebook, then press the power button to turn the notebook back on.

If this fails, use a pen to press reset switch, then press power button to turn notebook back on.

May be normal Windows behavior (background processing can affect response time).

Certain background operations (such as virus scanning software) can affect performance.

Press Ctrl+Alt+Del to see if an application is not responding.

Restart notebook.

If hard disk has spun down to conserve power, it can take several seconds to spin up. If needed, use Power Options in Control Panels to change hard disk time-out to match standby time-out.

Some file browsers respond slowly while processing graphics or waiting for broken network connections to time out.

Check for overheating—see previous symptom.

If notebook’s hard disk drive runs frequently (as indicated by notebook’s hard disk drive access light) while notebook appears to be paused or running slowly, consider installing additional SDRAM.

Check available free disk space. Delete temporary and unneeded files.

Fan.

Heatsink. CPU module. Motherboard.

If notebook slows after period of continuous activity, check heatsink—see previous symptom.

3-20 Troubleshooting and Diagnostics

HP Pavilion zt1100/xz100 Omnibook xt1000

Image 82
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 LightsHot Key Using Fn Hot KeysFn Hot Keys 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 DesignFunctional Structure Function Bootup Processor Memory Components UsedInfrared Wireless Docking PC card Component RolesPage Removal and Replacement Removal Cross-ReferenceDisassembly Flowchart Disassembly FlowScrew Thread Size Required EquipmentRecommended Screw Torques 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 ModuleReplacing Small Parts User-Replaceable Replacement ProcedureReplacing Small Parts 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 Beep Code Power-On Self-TestInsyde MobilePRO Bios Post Beep Codes and Messages MessageZt1100/xz100/xt1000 technology code IB Sycard PCCtest CommandsSycard PCCtest 450/460 CardBus Card Optional 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 Exchange Part Number Replaceable Parts for the Pavilion zt1100/xz100 SeriesPart 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 Imperfections Not Allowed TFT LCD Guidelines 14.1/15.0-in XGAType of Imperfection Electrical Imperfections Mechanical ImperfectionsPage Page QJOLVK3ULQWHGLQ7DLZDQ