Power Management Settings; Hibernation Mode - Compaq Presario 1900 - Notebook PC Maintenance And Service Manual

Before You Begin
Removal Sequence
Product Description
Product Description
Compaq Presario 1900 Series Portable Computers are equipped with Advanced Power Management (APM). This
Models and
management system allows you to conserve battery power and customize the power saving settings to suit your individual
Features
needs.
Controls and
Lights
Status Panel
Left Side
Components
Right Side

Power Management Settings

Components
Bottom of
Depending on your patterns of computer use, you can set different conditions, or Power Schemes,
Unit
under which the computer will go into Sleep mode.
Portable/Laptop , and Always On .
Left Side
and Top
From the default settings, you can change the following settings.
Wedge
Components
When the computer goes into Sleep (Standby) mode
When the screen times out and goes blank
Right Side
When the hard drive slows down
Wedge
Components
NOTE:
Rear
Connectors
Port
Replicator
IMPORTANT:
Connectors
Port
Replicator
Components
Sleep
Power
Management
Sleep

Hibernation Mode

Hibernation
memory to the hard drive. This is followed by the computer turning off.
The following table shows the conditions and indicators for getting in and out of the various power modes: Sleep,
Hibernation, and Off.
Mode
Sleep
Hibernate
Off
Rebooting After a Lockup
Occasionally you may encounter a non-working keyboard or a locked screen. To restart your
computer,
Power button once to start the computer.
If the computer still does not restart, follow these steps:
1. Press the Power button and hold it for four seconds to shut the computer down.
2. Remove the battery and unplug the AC power for at least 30 seconds.
3. Reinsert the battery or reconnect AC power and press the Power button once to restart.
Full Off (Main Power Off) Mode
If you need to install or replace components in your computer, you must turn the computer off completely . Follow the
instructions above for putting the computer into Standard Off mode. Unplug the computer electrical cord from the outlet
and remove the battery if installed.
Maintenance & Service Guide
Models: XL1, XL160, XL161, XL162, XL163, and XL165
Power Management Settings
Sleep
Hibernation
Rebooting After a Lockup
Servicing Your Computer - Full Off Mode
The setting for the hard drive must be less than or equal to the setting for the computer.
If you are connected to a network, Compaq recommends you set System Standby to
Never .
mode is a low power mode, also referred to as Standby mode.
While in Sleep mode, your computer will maintain system information and open
CAUTION:
files. Unsaved information will be lost if you turn off your system prior to system wake-
up, or if you lose power while using the AC adapter
mode occurs by pressing the Power button once. Your computer saves the content of your computer
To Start
Manual - Fn+F4
key combination
Time-Out Default -
15 minutes. If using
battery power, system
will not go to Sleep if
on AC power
Manual - Press Power
Button once
Time Out Default - if
low battery or after 1
hour of Sleep (system
will not Hibernate if on
AC power)
Perform normal
Windows shutdown
using the Start
button, or press and
hold down the Power
button for 4 seconds
press and hold down the Power button for at least four seconds. This will cause a manual shutdown. Press the
Presario 1900 Series
Specifications
Troubleshooting
Pin Assignments
The optional settings are Home/Office Desk ,
To End
Press any key or
move the
mouse
Press Power
button once
Press Power
button once
Parts Catalog
Battery Operations
Index
.
Indicators
Flashing Power LED
No Power LED,
blank screen
No Power LED,
blank screen