HP 18XL381 Standby Mode Hibernation Mode Off Mode Automatic, Activation, Manual, Shut Down, Exit

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Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Full Off

Off mode consumes no power. However, the battery charges while the Notebook is in Off mode if the battery is installed and the Notebook remains plugged into external AC power.

Note: Unsaved information is lost if the Notebook is shut down without saving the data.

To activate Off mode, click the Start button on the Windows taskbar, click Shut Down, and then select Shut down from the options.

To restart the Notebook from Off mode, press the Power ª button once.

ÅCAUTION: The Notebook must be in Off mode (completely shut down) when installing or replacing components. Follow the instructions for putting the Notebook into Off mode, unplug it from the outlet, and remove the battery pack before servicing any parts.

Summary of Power Modes

The following table outlines the procedures for entering and exiting the various power modes and the external indicators for each mode.

 

 

Standby Mode

 

Hibernation Mode

 

Off Mode

 

 

 

 

 

 

 

Automatic

 

15 minutes if using

 

When battery is low or

 

Standard Shutdown: click

Activation

 

battery power*

 

after 1 hour of Standby*

 

Start on the Windows

 

 

(preset default)

 

(preset default)

 

taskbar, Shut Down, and

 

 

 

 

 

 

then select shut down.

 

 

 

 

 

 

 

Manual

 

Press Fn+F4 key

 

Press the Power ª

 

Manual Shutdown**:

Activation

 

combination or

 

button once.

 

Press and hold down the

 

 

click Start on the

 

 

 

Power ª button for 4 sec.

 

 

Windows taskbar,

 

 

 

OR

 

 

Shut Down, and

 

 

 

Press Fn+Power (press

 

 

then Standby.

 

 

 

 

 

 

 

 

and hold the Fn key then

 

 

 

 

 

 

 

 

 

 

 

 

press the Power button).

 

 

 

 

 

 

 

Resume/

 

Press any key.

 

Press the Power ª

 

Press the Power ª button

Exit

 

 

 

button once.

 

once.

 

 

 

 

 

 

 

Indicators

 

Power light flashes

 

Power light is off, screen

 

Power light is off, screen is

 

 

and Moon é icon

 

is blank, and Power ª

 

blank, and Power ª icon

 

 

appears on status

 

icon does not appear on

 

does not appear on status

 

 

display.

 

status display.

 

display.

 

 

 

 

 

 

 

*The Notebook will not automatically enter Standby or Hibernation mode if using AC power. **Important: The Manual Shutdown procedures are not recommended unless the Standard

Shutdown is unsuccessful.

2 BATTERY AND POWER MANAGEMENT

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 Hard Drive BatteryFeatures XL381 XL390 Display Processor# Description # Description Front of UnitDescription # DescriptionModel XL3xx Front Bezel Components Left-Side Components Right-Side Components Underneath the Unit Rear Connectors Optional QuikDock Specification Metric SpecificationsHardware System Function System InterruptsSystem I/O Addresses Address System Function Shipping ConfigurationPresario 1800/1800T Series System Expansion Total Memory Board Memory Memory Memory Address System FunctionDisplay SpecificationValueSpecification 15.0 GB 20.0 GB 32.0 GB Specification 10.0 GB 12.0 GBSpecification Specification AHr Li-ionPin Assignments Pin SignalTV-Out Composite Video Connector Modem Connector Game Port Connector QuikDock Connector Battery and Power Management Manual Standby Mode Hibernation Mode Off Mode AutomaticIndicators ActivationBattery Power Power Scheme Always On AC PowerPortable Home Laptop Office Desk Setting Low Battery Critical Battery Default Alarm SettingsRebooting After a Lockup Increasing Battery Pack Operating Time Li-ion Enhanced Charge Time Battery Pack Conditioning a Battery PackTroubleshooting Preliminary Steps Clearing the Power-On Password System Board Failure Probable Cause Recommended Action Post Error MessagesSystem Options Not Set Probable Cause Diskette Controller Error Probable Cause XX000YZZ 201-Memory Error Probable CauseKeyboard Error Recommended Action Keyboard or System Unit Error Probable CauseHard Drive Controller Probable Cause Primary Hard Drive 0 Failure Probable CauseCheckup Test View System Information Inspect Diagnostic Error Codes Error Code Description Recommended Action Processor Test Error CodesMemory 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 Before Replacing Parts Troubleshooting without DiagnosticsAudio Problem Probable Cause Solution Solving Minor ProblemsAudio Solutions Battery Pack/Gauge SolutionsReplace the battery pack Replace the RTC battery Presario 1800/1800T Series Diskette Drive Problem Probable Cause Solutions CD and DVD Drive SolutionsDiskette Drive Solutions CD or DVD Drive Problem Probable Cause SolutionsDisplay Problem Probable Cause Solutions Display 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 Hardware Installation Problem Probable Cause Solutions Hard Drive SolutionsHardware Installation Solutions Hard Drive Problem Probable Cause SolutionsMemory Problem Probable Cause Solutions Keyboard/Numeric Keypad SolutionsMemory Solutions Keyboard/Numeric Keypad Problem Probable Cause SolutionsPC Card Problem Probable Cause Solutions PC Card SolutionsPC Card sound effects PC card modem or fax card does not work Power Problem Probable Cause Solutions Power SolutionsPrinter Problem Probable Cause Solutions Printer SolutionsTouchPad/Pointing Device Problem Probable Cause Solutions TouchPad/Pointing Device SolutionsShipping Preparation Contacting Compaq SupportRemoval & Replacement Required Tools ZIF Connector Cables Diskette Drive Ribbon Cable Keyboard Ribbon Cable Hard Drive Ribbon CableCD/DVD Ribbon Cable CD/DVD Ribbon Cable Keyboard Ribbon Cable Diskette Drive Ribbon CableSpeaker Assembly Cable Keyboard Ribbon Cable CD/DVD Ribbon Cable Speaker Assembly CablePreparing the Notebook for Disassembly QuikDock Removal ProceduresBattery 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 Disconnect the hard drive data cable Hard DrivePresario 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 Spare Part Items Parts CatalogBoards Spare Part Item Display AssemblyMass-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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