No Video, Part 3 - HP vc4820T - Thin Client Troubleshooting Manual

No Video, Part 3

No Video Part 2 continued
No Video Part 3
Turn off power,
disconnect power
cord, and open
the computer.
Reseat flash, then clear
CMOS by removing and
replacing the battery.
Replace cover and
power cord, then
restart computer.
Video
OK,
computer
starts?
Done
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t5000 Troubleshooting
No Video, Part 4
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.
Same
No symp-
toms?
Yes
Yes
Turn off the computer and disconnect power. Replace
components in system one at a time starting with Flash. Test
system after each replacement for video or beeps.
Flow Chart
CMOS
checksum
No
error
defaults
loaded
No
F1-CMOS
Yes
checksum error-
defaults loaded
Troubleshooting 43