HP Notebook 100 Compaq Armada 100S and Notebook 100 Series Maintenance and Ser - Page 37

Solving Common Problems, Problem, Possible Cause, Solution

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2.4 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. Table 2-3 Display s Check to ensure the AC adapter is plugged in. s Check to ensure the battery is charged. s Try another working battery or adapter. Problem Possible Cause Solution There is no display on I/O devices and either the internal LCD cables causing a or an external monitor. problem. s Try a working monitor or LCD. s Check SW4 for proper switch settings. s 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 There is no display on either the internal LCD or an external monitor, yet the system passed POST. Faulty LCD or Monitor. Solution s Try another working monitor or LCD module. s Remove I/O devices and cables and reconnect one by one to determine which is causing the problem. Troubleshooting 2-5

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Troubleshooting
2
-
5
2.4
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.