HP Compaq Professional 5000 series Guía para resolver problemas Pagina 15

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2-6
Troubleshooting Flowcharts for Desktop Computers
5. No Video, Part 1
No video
Beeps or
flashin
g
CPU
or keyboard
li
g
hts?
Monitor LED
on?
Contrast and
bri
g
htness
turned up?
Turn contrast and
bri
g
htness up.
Go to Pa
g
e 2-7,
No Video, Part 2
Go to Pa
g
e 2-9,
Error Messa
g
es,
Part 1
LED color?
(note 1)
Video
adapter
connected?
(note 2)
Monitor
plu
gg
ed in and
turned on?
Plu
g
in and turn on
monitor, then
return to Pa
g
e 2-2,
Initial Troubleshootin
g
.
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 unplu
g
computer before
reconnectin
g
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 dama
g
e to the unit, disconnect
the power cord from the power source or the unit before be
g
innin
g
disassembly
procedures.
Y
Y
Plu
g
in, turn on, and
return to Pa
g
e 2-2,
Initial Troubleshootin
g
.
Replace monitor.
N
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