
2-8
Troubleshooting Flowcharts for Desktop Computers
7. No Video, Part 3
See codes
or flashin
li
hts or hear
beeps?
Restart computer.
Turn off computer and
disconnect power. Replace
components in system
one at a time startin
with
hard drive. Test system
after each replacement for
video or beeps.
Y
Replace
video card.
Caution:
Power is continuous to the system board
and power supply even when the power switch is
turned off. To prevent dama
e to the unit, disconnect
the power cord from the power source or the unit
before be
innin
disassembly procedures.
Continued from Pa
e 2-7,
No Video, Part 2
N
Inte
rated
video?
N
Replace
system board.
Video OK?
Y
N
Done
Y
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