Solving Common Problems - Compaq 100 Series Manual

2.3 Solving Common Problems

Problem
The power button is
pressed and nothing
happens. The power
indicator does not
light up.
Problem
There is no display
on either the internal
LCD or an external
monitor.
Problem
There is no display
on either the internal
LCD or an external
monitor, yet the
system passed
POST.
Table 2-2
Power
Possible Cause
No AC or battery
power.
Table 2-3
Display
Possible Cause
I/O devices and
cables causing a
problem.
Table 2-4
VGA Controller Failure
Possible Cause
Faulty LCD or
Monitor
Solution
Check to ensure the
AC adapter is
plugged in.
Check to ensure the
battery is charged.
Try another working
battery or adapter.
Solution
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.
Solution
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.
Troubleshooting 2-5