Troubleshooting 2-5
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: David Calvert Saved by: David Calvert Saved date: 03/29/00 7:07 AM
Part Number: 177845-001 File name: CH02.doc
2.3 Solving Common Problems
Table 2-2
Power
Problem Possible Cause Solution
The power button is
pressed and nothing
happens. The power
indicator does not
light up.
No AC or battery
power.
■ Check to ensure the
AC adapter is
plugged in.
■ Check to ensure the
battery is charged.
■ Try another working
battery or adapter.
Table 2-3
Display
Problem Possible Cause Solution
There is no display
on either the internal
LCD or an external
monitor.
I/O devices and
cables causing a
problem.
■ Try a working monitor
or LCD.
■ Check SW4 for
proper switch settings
■ Remove I/O devices
and cables and
reconnect one by one
to determine which is
causing the problem.
Table 2-4
VGA Controller Failure
Problem Possible Cause Solution
There is no display
on either the internal
LCD or an external
monitor, yet the
system passed
POST.
Faulty LCD or
Monitor
■ Try another working
monitor or LCD
module.
■ Remove I/O devices
and cables and
reconnect one by one
to determine which is
causing the problem.