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2 B
ATTERY
AND
P
OWER
M
ANAGEMENT
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
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.
Å
CAUTION: 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.
*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.
Standby Mode Hibernation Mode Off Mode
Automatic
Activation
15 minutes if using
battery power*
(preset default)
When battery is low or
after 1 hour of Standby*
(preset default)
Standard Shutdown: click
Start on the Windows
taskbar, Shut Down, and
then select shut down.
Manual
Activation
Press Fn+F4 key
combination or
click Start on the
Windows taskbar,
Shut Down, and
then Standby.
Press the Power ª
button once.
Manual Shutdown**:
Press and hold down the
Power
ª button for 4 sec.
OR
Press Fn+Power (press
and hold the Fn key then
press the Power button).
Resume/
Exit
Press any key. Press the Power
ª
button once.
Press the Power ª button
once.
Indicators Power light flashes
and Moon
é icon
appears on status
display.
Power light is off, screen
is blank, and Power
ª
icon does not appear on
status display.
Power light is off, screen is
blank, and Power
ª icon
does not appear on status
display.