Compaq Armada e500 - Notebook PC Quick Reference Manual page 186

Solving Screen Problems
Problem
Screen is blank and
no lights are on
Screen is blank and
keyboard is locked
Screen is blank and
external monitor
displays information
Information does not
display on the
external monitor
16-38 Troubleshooting
Continued
Possible Cause
The computer has
either entered
Hibernation or, if
Hibernation is
disabled, the battery
pack has discharged
without saving your
information.
QuickLock and
QuickBlank were
initiated. These
security features lock
the keyboard and
pointing device and
clear the screen.
External monitor was
turned on before the
computer was turned
on.
External monitor was
connected after the
computer was turned
on.
The computer does
not recognize the
correct display type.
Solution
Connect the computer to
an external power
source.
Charge the battery pack.
Replace the battery pack
with a fully charged
battery pack.
Type your power-on
password to unlock the
keyboard and pointing
device and return the
information to the
screen.
Press Fn+F4 on the
computer keyboard to
switch from the external
monitor to the computer
display.
Place the computer in
Suspend by pressing the
suspend button. Be sure
the external monitor is
connected and turned
on, then press the
suspend button to exit
Suspend.
Click the Settings tab in
Display Properties. Click
Change Display Type
and reselect your display
type, then restart the
computer.