Solving General Problems - Compaq 100eu - All-in-One PC Maintenance & Service Manual

Solving General Problems

You may be able to easily resolve the general problems described in this section. If a problem
persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the
operation, contact an authorized dealer or reseller.
WARNING!
the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be
sure to disconnect the power cord from the wall outlet and allow the internal system components to
cool before touching.
Computer will not turn on or start.
Cause
Power cord is not properly connected or is connected to a
defective outlet.
Monitor power cord is not connected to a power source, the
video cable is not connected to the computer, or the monitor
is not turned on.
Computer seems to be locked up and is not responding.
Cause
A program is not responding.
150 Chapter 11 Troubleshooting Without Diagnostics
When the computer is plugged into an AC power source, voltage is always applied to
Solution
Ensure that the cables connecting the computer to the
external power source are plugged in properly. When the
cables connecting the computer to the external power source
are plugged in properly, and the wall outlet is functioning, the
green power supply light on the back of the computer should
be on.
Connect the monitor to the computer, plug it in, and turn it
on. Ensure that the power cord is connected to a functioning
electrical outlet.
Solution
Use the Windows Task Manager to close any programs not
responding, or restart the computer:
1. Press the Ctrl+Alt+Delete keys on the keyboard
simultaneously.
2. Click Start Task Manager.
3. Select the program that is not responding, and then
click End Task.
If closing programs does not work, restart the computer:
1. Press the Ctrl+Alt+Delete keys on the keyboard
simultaneously.
2. Click the Arrow button next to the red Shut Down
button, and then click Restart.
3. Or, press and hold the On button on the computer for 5
or more seconds to turn off the computer, and then
press the On button to restart the computer.