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Compaq 3500 User Manual

Page 151

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16-20 Troubleshooting

Writer: Lorise Fazio Saved by: J Abercrombie Saved date: 12/08/98 4:55 PM

Part Number: 310296-002 File name: Ch16.doc

Solving Screen Problems

Continued

Problem

Possible Cause

Solution

Screen is blank and
no lights are on

The computer has
either entered
Hibernation or, if
Hibernation is
disabled, the battery
pack has discharged
without saving your
information.

Connect the computer to
an external power source.

Charge the battery pack.

Replace the battery pack
with a fully charged battery
pack.

Screen is blank and
keyboard is locked

QuickLock and
QuickBlank were
initiated. These
security features lock
the keyboard and
pointing device and
clear the screen.

Type your power-on
password to unlock the
keyboard and pointing
device and return the
information to the screen.

Screen is blank and
external monitor
displays information

External monitor was
turned on before the
computer was turned
on.

Press

Fn+F4

on the

computer keyboard to
switch from the external
monitor to the computer
display.

Information does not
display on the
external monitor

External monitor was
connected after the
computer was turned
on.

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.

The computer does
not recognize the
correct display type.

Click the Settings tab in
Display Properties. Click
Change Display Type and
reselect your display type,
then restart the computer.