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C
Troubleshooting
Appendix C - Troubleshooting
Troubleshooting Checklist
This chapter of the manual is designed to help you with problems
that you may encounter with your personal computer. To efficiently
troubleshoot your system, treat each problem individually. This is to
ensure an accurate diagnosis of the problem in case a problem has
multiple causes.
Some of the most common things to check when you encounter
problems while using your system are listed below.
1. The power switch of each peripheral device is turned on.
2. All cables and power cords are tightly connected.
3. The electrical outlet to which your peripheral devices are con-
4. The monitor is turned on.
5. The display's brightness and contrast controls are adjusted prop-
6. All add-in boards in the expansion slots are seated securely.
7. Any add-in board you have installed is designed for your system
Monitor/Display
If the display screen remains dark after the system is turned on:
1. Make sure that the monitor's power switch is on.
2. Check that one end of the monitor's power cord is properly
3. Check that the video input cable is properly attached to the
4. Adjust the brightness of the display by turning the monitor's
142
nected is working. Test the outlet by plugging in a lamp or other
electrical device.
erly.
and is set up correctly.
attached to the monitor and the other end is plugged into a
working AC outlet. If necessary, try another outlet.
monitor and the system's display adapter.
brightness control knob.
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