HP book XE2 manual Power/Battery, Call Center Suggestions, Repair Center Likely Causes

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Symptom

Password has been forgotten

Power/Battery

Short battery operating time

Does not run on battery, empty battery indication

Battery does not charge

Display

Dark display, no light

White display

Erratic display

Bright or missing pixels or lines

Hard disk

Hard disk never spins

Call Center:

Suggestions

Verify proper ownership, then follow the removal procedure with the owner and log the appropriate data—see page 5-1.

Turn down display brightness.

Check power management settings in BIOS Setup. Try the default settings.

Inform user that certain applications can cause excess power usage. (User can get power monitor from www.intel.com and monitor CPU load.)

Some PC cards (PCMCIA) draw power even while not in use.

Heavy modem use can affect battery operating time.

Check battery contacts. If available, try another battery.

Check the power source.

Check battery contacts. If available, try another battery and AC adapter.

Check for high ambient temperature and blocked air vents.

Adjust display brightness. Press Fn+F12 several times. Try external monitor.

Adjust display brightness.

See quality statement on page 5-2.

Check the power source.

Remove and reinsert the hard drive. Check the contacts.

Repair Center: Likely Causes

Battery.

Motherboard.

Battery or contacts. Motherboard.

Battery or contacts. AC adapter. Motherboard.

Fan.

LCD module (backlight).

LCD cable or connections.

Inverter PCA.

LCD module.

Inverter PCA.

LCD cable or connections.

LCD module.

LCD module.

LCD cable or connections.

Hard drive or

contacts.

Motherboard. Hard drive case.

Repair Center:

Comments

The user must call Technical Support and provide proof of ownership. Password removal is restricted to certain sites. See page 5-1.

Battery capacity often decreases after a year or more.

Check AC adapter.

Check fan.

Reseat the I/O PCA.

If an external monitor displays no image, replace the I/O PCA instead, then motherboard.

See quality statement on page 5-2.

If the drive case is damaged, it can prevent proper operation.

3-6

Troubleshooting and Diagnostics

HP OmniBook XE2

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Contents Page Edition History Contents Figures TablesHP OmniBook XE2 Introduction Sources of OmniBook InformationSource Address or NumberOmniBook XE2 Features and Operation OmniBook Front ViewOmniBook Bottom View Turning the OmniBook On and Off OmniBook Status LightsActivating Power Modes Checking the Status of the OmniBook Status Lights LED PCAUsing Fn Hot Keys Resetting the OmniBookFn Hot Keys Hot KeySystem Resources System InterruptsSystem Memory 00000 9FFFF A0000 Bffff C0000 Cffff D0000 DbfffSystem Input/Output Addresses 100-3FF DMA ChannelsSpecifications OmniBook XE2 SpecificationsSoftware Security Features Environmental Limits Major ICs Replaceable Module Diagram Internal Design10. Functional Structure Docking portPage Removal Cross-Reference Recommended Screw Torques Screw Thread SizeTorque kgfcm Torque lbfin Removing the Battery Removal ProcedureRequired Equipment RAM Board Replacement Part Numbers Removing a RAM BoardDescription Product NumberReleasing the RAM Module Latches Reassembly Notes Hard Disk Drive Replacement Part Number Removing the Hard Disk DrivePart Number Exchange Part NumberReplacement Procedure Replacing Small PartsReplacing Small Parts User-Replaceable Part Feet RAM Module CoverHP Authorized Service Providers Only Removing the FanRemoving the Keyboard Removing the Keyboard Cover and ScrewsInstalling the Keyboard Reassembly Notes Removing the Display Assembly Removing the Display Assembly Reassembly NotesRemoving the LCD Module Removing the LCD Module Reassembly Notes Removing the Top Case Removing the Top Case10. Detaching the Bottom Case Removing the CPU and Motherboard Technology Code DD11. Removing the CPU and Motherboard Storing the Serial Number Electronically Installing a New Serial Number Label Removing Other Components Removing Display ComponentsRemoving Top Case Components Removing Bottom Case ComponentsModem PCA Motherboard RAM Board Removal Procedures LED PCAHP OmniBook XE2 Troubleshooting and Diagnostics Troubleshooting Troubleshooting the Problem Verifying the Repair Suggestions for Troubleshooting Scope of Diagnostic ToolsPower-On DMI/TopTools Self-Test If installed Bios SetupTroubleshooting Suggestions SymptomStartup Power/Battery Call Center SuggestionsRepair Center Likely Causes Repair Center CommentsFloppy drive Call Center Suggestions Touch padSerial/Parallel Miscellaneous Accessories Diagnostic Tools OmniBook Diagnostic ProgramCreating a Diagnostic Floppy Disk Running the Diagnostic Test EnterOmniBook Diagnostic Error Codes Code Suggestions System TestsHard Disk Tests SMBus Tests Power-On Self-Test IR Tests FIR enabled, undockedPost Terminal-Error Beep Codes Post MessagesBeep Codes Post Description02B0 Diskette drive a error 02B1 Diskette drive B error Press F1 to resume, F2 to Setup, F3 for previous Message DescriptionInstalling the DMI Package Uninstalling the DMI PackageUsing the DMI Interface Desktop Management Interface DMIContents of the DMI Package Bios Setup Utility Running the Bios Setup UtilityBios Setup Menus and Parameters Power APM Menu Security MenuBoot Menu Exit MenuPage Exploded View Except Display Components Exploded View Display Components Exploded View Motherboard Components OmniBook XE Replaceable Parts HP Part Number HP Exchange Part NumberDescription Technology CodeLCD CVR, ADI 12 TFT LCD CVR, CPT 14 TFT DC/DD PCA, NO-MODEM Layer Accessory Replaceable Parts Cover, Label Protect Order FromQuanta Part Number Order From Quanta Description Part Number Order From Quanta Part Number Reference Quanta Part Number LCD BKT, CPT 14 TFT DC/DD/DE DOOR, RAMLCD CVR, CPT 14 TFT LCD Bezel Password Removal Policy Hewlett-Packard Display Quality Statement OmniBook XE LCD Guidelines TFTImperfections Not Allowed Type of Imperfection Mechanical Imperfections OmniBook XE Technology Codes DetailsPart Number P F1753-90004