Compaq Armada M700 Series Maintenance And Service Manual page 55

Problem
Computer will not turn on.
Computer turned off
while it was left
unattended.
Problem
Characters on computer
display are dim.
Computer screen is blank
and external monitor
displays information.
Fn+F4 hotkey combination
does not switch between
internal and external
displays.
2-24 Troubleshooting
Table 2-17
Solving Power Problems
Possible Cause
Battery is discharged and
computer is not connected
to a power source.
Battery is discharged and
cables to the external power
source are unplugged.
Computer initiated because
of a critical low battery
condition.
The computer initiated
Hibernation after a user-
defined timeout expired.
Table 2-18
Solving Screen Problems
Possible Cause
Computer is in direct light.
The brightness control is not
set properly.
You may have a screen
saver or screen blanking
utility installed.
Screen timeout was initiated. Press any key to light the screen.
System initiated Suspend
after a user-defined timeout
expired.
Computer initiated a low
battery Suspend or
Hibernation.
Power Management, which
controls Suspend and
Hibernation, is disabled and
the battery pack has
discharged.
Display was switched to the
external monitor.
Display switch is stuck.
CRT or other display device
is not connected properly.
Solution
I
Charge the battery pack.
I Replace the battery pack.
I Connect the computer to an
external power source.
Ensure that cables connecting the
computer and the external power
source are plugged in properly.
I Charge the battery pack.
I Replace the battery pack.
I
Connect the computer to an
external power source.
Turn on the computer.
Solution
Move the computer or adjust the
screen.
Adjust the brightness control by
pressing the Fn+F10 hotkeys.
Press any key to refresh the screen.
Press the suspend button to exit
Suspend.
I Replace the battery pack and exit
Suspend or Hibernation.
I Connect the computer to an
external power source and exit
Suspend or Hibernation.
I Replace the battery pack and turn
on the computer.
I Connect the computer to an
external power source and turn on
the computer.
Press Fn+F4 to display information
on the computer screen; press
Fn+F4 again to display information
simultaneously on both screens.
Tap the switch.
Check your connections to ensure
that an external device is connected
properly.