HP 500 manual Troubleshooting and Diagnostics HP Omnibook

Page 78

Symptom

Call Center:

Repair Center:

Repair Center:

 

Suggestions

Likely Causes

Comments

Computer pauses

May be normal Windows

Motherboard.

If the computer slows after a

or runs sluggishly.

behavior (background

 

period of continuous activity,

 

processing can affect

 

see the previous symptom.

 

response time).

 

 

 

Certain background

 

 

 

operations (such as

 

 

 

VirusScan) can affect

 

 

 

performance.

 

 

 

Press CTRL+ALT+DEL to

 

 

 

see if an application is not

 

 

 

responding.

 

 

 

Restart the computer.

 

 

 

If the hard disk has spun

 

 

 

down to conserve power, it

 

 

 

can take several seconds to

 

 

 

spin up (you can hear this).

 

 

 

You can use the BIOS Setup

 

 

 

utility to change the hard disk

 

 

 

time-out to match the

 

 

 

Standby time-out.

 

 

 

Some file browsers respond

 

 

 

slowly while processing

 

 

 

graphics or waiting for broken

 

 

 

network connections to time

 

 

 

out.

 

 

 

Check for overheating—see

 

 

 

the previous symptom.

 

 

 

If the computer’s hard disk

 

 

 

drive frequently runs (as

 

 

 

indicated by the hard disk

 

 

 

activity light) while the

 

 

 

computer is paused or

 

 

 

running slowly, consider

 

 

 

installing additional SDRAM.

 

 

 

Check the amount of

 

 

 

available free disk space.

 

 

 

Delete temporary and

 

 

 

unneeded files.

 

 

 

Run BIOS Setup and set the

 

 

 

Power Management Mode to

 

 

 

Max. Performance.

 

 

 

Run BIOS Setup and turn off

 

 

 

Intel SpeedStep Mode.

 

 

Computer is still on

Press CTRL+ALT+DEL and

 

 

but stops

end any application that is

 

 

responding.

not responding.

 

 

 

Slide and hold the power

 

 

 

button four seconds to turn

 

 

 

off and reset the computer.

 

 

 

Press the system-off switch

 

 

 

to reset the computer.

 

 

3-16 Troubleshooting and Diagnostics

HP Omnibook 500

Image 78
Contents HP Omnibook Edition History HP OmnibookContents Figures Tables Introduction Source Address or Number CommentsProduct Information Omnibook 500 Series ModelsProduct Comparisons Features Omnibook Front ViewOmnibook Back View Expansion Base Front View Expansion Base Back View Activating Power Modes OperationTurning the Computer On and Off Main Status Lights front of computer Battery StatusChecking the Status of the Computer Keyboard Status LightsUsing Fn Hot Keys Fn Hot KeysHot Key Effect Resetting the Omnibook Resetting the Computer Resetting an Expansion BaseDocking and Undocking the Computer Docking the ComputerUndocking the Computer Manually Undocking the ComputerConnecting a Floppy Disk Drive 10. Connecting a Floppy Disk DriveSpecifications Omnibook 500 Series SpecificationsKeyboard Wireless LANAudio System Computer Pointing DeviceSecurity Features Environmental LimitsMajor ICs Computer Omnibook 500 Series Accessories Accessory Description Omnibook Compat 500 6000 900B PC Cards11. Replaceable Component Diagram Internal DesignFunction Components Used Component Roles Bootup Functional StructureRemoval and Replacement Removal Cross-ReferenceDisassembly Flowchart Wireless models onlyRequired Equipment Recommended Screw TorquesScrew Thread Size Torque cm-kgf Torque in-lbf Removing the Main Battery Removal ProcedureRemoving a Plug-In Module Releasing the ModuleHard Disk Drive Replacement Part Numbers Removing the Hard Disk DriveDescription Part Number Exchange Part Number Removing the Hard Disk Tray Reassembly Notes Creating a Utility Partition Removing the Power Button Panel Removing the Power Button Panel Reassembly NotesRemoving the Keyboard Removing the Keyboard ScrewsReassembly Notes Sdram Module Replacement Part Numbers Removing an Sdram ModuleRemoving a System Sdram Module 10. Removing an Sdram Expansion Module Reassembly Note Removing an Expansion Sdram ModuleRemoving a Mini-PCI Card certain models only 12. Routing the Mini-PCI Cables LAN/modem card shown Removing the Switchboard PCA Replacing Small Parts Replacing Small Parts User-ReplaceableRemoving the Display Assembly HP Authorized Service Providers Only14. Removing the Display Reassembly Notes Page Removing the Heatsink/Fan 16. Removing the Heatsink/Fan17. Separating the Heatsink and Fan Reassembly Note Removing the Top Case 18. Removing the Top Case Removing the Motherboard or Bottom Case 19. Removing the Motherboard Reassembly Notes Replacing the Motherboard 20. Removing Motherboard ComponentsReassembly Note Replacing the Bottom Case 21. Removing Bottom Case Components Installation Procedure 22. Replacing the Docking Doors 23. Example of Serial Number LabelRepairing the Bios IC 24. Boot-Block Jumper Removing Omnibook Components Removing Omnibook ComponentsPanel, audio/PCMCIA Component Removal Procedure Additional Steps Heatsink/fanReassembly Notes Mini-PCI models only. Route Panel, mini-PCIPage Troubleshooting and Diagnostics Troubleshooting Basic Troubleshooting StepsTroubleshooting the Problem Checking for Customer AbuseVerifying the Repair Suggestions for Troubleshooting Scope of Diagnostic ToolsTroubleshooting Suggestions StartupHP Omnibook Troubleshooting and Diagnostics Troubleshooting and Diagnostics HP Omnibook Display Use the Recovery CD to DVD Keyboard and pointing stickClick/scroll button Serial/ParallelLAN/Network Wireless Motherboard MiscellaneousTroubleshooting and Diagnostics HP Omnibook Plug-in Modules Troubleshooting and Diagnostics HP Omnibook Diagnostic Tools DiagToolsUpdating e-DiagTools Enter Running e-DiagToolsSerial and Parallel Loopback Connectors E-DiagTools Error Codes Interpreting the ResultsFloppy Disk Tests Smbus Tests 9088h Replace the expansion base Power-On Self-Test Post Terminal-Error Beep CodesBeep Codes Post Description Post Messages Message Description02F7 Fail-Safe Timer NMI Failed Pcmcia PC Card 16-bit test CardBus 32-bit test Sycard PCCtest CommandsSycard PCCtest 450/460 CardBus Card Optional Omnibook 500 PCI1410Uninstalling the DMI/WMI Package Installing the DMI PackageUsing DMI/WMI Desktop and Windows Management Interfaces DMI/WMIBios Setup Utility Running the Bios Setup UtilityBios Setup Menus and Parameters Main Menu DefaultSystem Devices Menu Default Security Menu DefaultPower APM Menu Default Boot Menu DefaultExit Menu Replaceable Parts Omnibook Exploded View Replaceable Parts Description Part Number Exchange User ReplReplaceable Parts HP Omnibook HP Omnibook Replaceable Parts Accessory Replaceable Parts Part Number Reference Part Exchange Description User Number Part Number ReplReplaceable Parts HP Omnibook HP Omnibook Replaceable Parts Clip, wireless cable Password Removal Policy Reference InformationHewlett-Packard Display Quality Statement Omnibook 500 LCD Guidelines 12.1-in TFT, XGA Mechanical ImperfectionsObsolete Repair Parts Obsolete New Description Service Notes/Comments Part NumberObsolete Parts Page Part Number F3476-90024
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500 specifications

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