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Troubleshooting Flowcharts for Desktop Computers
5. No Video, Part 1
No video
Beeps or
flashing CPU
or keyboard
lights?
Monitor LED
on?
Contrast and
brightness
turned up?
Turn contrast and
brightness up.
LED color?
(note 1)
Video
adapter
connected?
(note 2)
Monitor
plugged in and
turned on?
Reconnect
monitor
(note 3).
Y
N
Y
Y
N
N
Green
Amber
N
Notes:
1. Older monitors do not support the amber LED.
2. If more than one adapter is installed, monitor
must be connected to primary controller.
3. Turn off and unplug computer before
reconnecting cables.
N
Video OK?
Y
Done
Caution:
Power is continuous to the system board and power supply even
when the power switch is turned off. To prevent damage to the unit, disconnect
the power cord from the power source or the unit before beginning disassembly
procedures.
Y
Y
Replace monitor.
N
Содержание AP400 - Professional - 64 MB RAM
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