HP 18XL381 manual Power Solutions, Power Problem Probable Cause Solutions

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Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Power Solutions

Some causes and solutions for power problems are listed in the following table. See also Battery Pack/Gauge Solutions in this chapter.

 

Power

 

Problem

Probable Cause

Solution(s)

 

 

 

Notebook will not turn

Notebook is not connected to

on and the battery

a power source.

pack is not inserted.

 

 

 

 

Power cords to the external

 

power source are unplugged.

 

 

 

Power adapter is defective.

 

 

Notebook turned off

System initiated Hibernation

while it was left

after a preset timeout.

unattended and the

 

Power ª icon is off.

 

 

 

 

System initiated Hibernation

 

due to a critical low-battery

 

condition.

 

 

 

System board is defective.

 

 

Insert battery or connect an external power source.

Ensure that power cords connecting the Notebook and the external power source are plugged in properly.

Replace AC Adapter and restart.

Turn on the Notebook.

Replace the battery pack with a fully charged battery pack, or connect the Notebook to an external power source. Then turn on the Notebook.

Replace the system board.

30 TROUBLESHOOTING

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES

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Contents Welcome to the Maintenance & Service Guide MSG Using this Guide Before You Begin Preface Serial Number Product Description Processor BatteryFeatures XL381 XL390 Display Hard DriveFront of Unit # Description # Description# Description DescriptionModel XL3xx Front Bezel Components Left-Side Components Right-Side Components Underneath the Unit Rear Connectors Optional QuikDock Specifications Specification MetricSystem Interrupts Hardware System FunctionAddress System Function Shipping Configuration System I/O AddressesPresario 1800/1800T Series Memory Address System Function System Expansion Total Memory Board Memory MemorySpecificationValue DisplaySpecification 10.0 GB 12.0 GB Specification 15.0 GB 20.0 GB 32.0 GBSpecification AHr Li-ion SpecificationPin Signal Pin AssignmentsTV-Out Composite Video Connector Modem Connector Game Port Connector QuikDock Connector Battery and Power Management Activation Standby Mode Hibernation Mode Off Mode AutomaticIndicators ManualPower Scheme Always On AC Power Battery PowerPortable Home Laptop Office Desk Default Alarm Settings Setting Low Battery Critical BatteryRebooting After a Lockup Increasing Battery Pack Operating Time Conditioning a Battery Pack Li-ion Enhanced Charge Time Battery PackTroubleshooting Preliminary Steps Clearing the Power-On Password Post Error Messages System Board Failure Probable Cause Recommended ActionSystem Options Not Set Probable Cause Keyboard or System Unit Error Probable Cause XX000YZZ 201-Memory Error Probable CauseKeyboard Error Recommended Action Diskette Controller Error Probable CausePrimary Hard Drive 0 Failure Probable Cause Hard Drive Controller Probable CauseCheckup Test View System Information Inspect Diagnostic Error Codes Processor Test Error Codes Error Code Description Recommended ActionMemory Test Error Codes Keyboard Test Error Codes Serial Test Error Codes Hard Drive Test Error Codes Description Recommended Action Video Test Error Codes Presario 1800/1800T Series Audio Test Error Codes Presario 1800/1800T Series Troubleshooting without Diagnostics Before Replacing PartsBattery Pack/Gauge Solutions Solving Minor ProblemsAudio Solutions Audio Problem Probable Cause SolutionReplace the battery pack Replace the RTC battery Presario 1800/1800T Series CD or DVD Drive Problem Probable Cause Solutions CD and DVD Drive SolutionsDiskette Drive Solutions Diskette Drive Problem Probable Cause SolutionsDisplay Solutions Display Problem Probable Cause SolutionsUsing Fn+F7 or Fn+F8 Replace the display assembly Replace the system board Backlight brightness cannot be adjusted with Fn+F7 or Fn+F8 Hard Drive Problem Probable Cause Solutions Hard Drive SolutionsHardware Installation Solutions Hardware Installation Problem Probable Cause SolutionsKeyboard/Numeric Keypad Problem Probable Cause Solutions Keyboard/Numeric Keypad SolutionsMemory Solutions Memory Problem Probable Cause SolutionsPC Card Solutions PC Card Problem Probable Cause SolutionsPC Card sound effects PC card modem or fax card does not work Power Solutions Power Problem Probable Cause SolutionsPrinter Solutions Printer Problem Probable Cause SolutionsTouchPad/Pointing Device Solutions TouchPad/Pointing Device Problem Probable Cause SolutionsContacting Compaq Support Shipping PreparationRemoval & Replacement Required Tools ZIF Connector Cables Hard Drive Ribbon Cable Diskette Drive Ribbon Cable Keyboard Ribbon CableCD/DVD Ribbon Cable Diskette Drive Ribbon Cable CD/DVD Ribbon Cable Keyboard Ribbon CableSpeaker Assembly Cable CD/DVD Ribbon Cable Speaker Assembly Cable Keyboard Ribbon CablePreparing the Notebook for Disassembly Removal Procedures QuikDockBattery Pack Palmrest Cover with TouchPad Presario 1800/1800T Series Presario 1800/1800T Series Keyboard Button Board Cover Presario 1800/1800T Series Presario 1800/1800T Series Presario 1800/1800T Series Internet Switch Board Presario 1800/1800T Series Heat Sink Heatspreader Modem Hard Drive Disconnect the hard drive data cablePresario 1800/1800T Series Presario 1800/1800T Series LCD DisqPlay Module Processor Presario 1800/1800T Series CD, CD-RW, or DVD Drive Presario 1800/1800T Series Presario 1800/1800T Series Display Panel Assembly Presario 1800/1800T Series Presario 1800/1800T Series Upper CPU Cover Fan Assembly Presario 1800/1800T Series Real Time Clock RTC Battery Presario 1800/1800T Series Diskette Drive Presario 1800/1800T Series Voltage Converter Board Speaker Assembly Presario 1800/1800T Series System Board Presario 1800/1800T Series Presario 1800/1800T Series Presario 1800/1800T Series To replace the system board, reverse these procedures Memory Module Presario 1800/1800T Series Parts Catalog Spare Part ItemsBoards Display Assembly Spare Part ItemMass-Storage Devices Miscellaneous Cable Kit Miscellaneous Plastics Kit Miscellaneous Parts Part Numbers & Availability Alphabetical Spares Listing Disqplay Module, See LCD Indicator Module SO Dimm 171815-001 All 170835-004 All US platforms 191298-003
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