HP ZE4900 Flowchart 2.7-No Video, Part, Troubleshooting, Maintenance and Service Guide, 2-13

Troubleshooting

Flowchart 2.7—No Video, Part 2

Continued from

“Flowchart
2.6—No Video,
Part 1.”
Adjust		Check brightness
display		of external
brightness.		monitor.
N		Y
	Go to “A” in
Video OK?	“Flowchart	Video OK?
	2.6—No Video,
Y	Part 1.”
		N
Check for bent pins		Try another
on cable, and for
		external
monitor
		monitor.
connection.
Y		Y
Video OK?	Done	Internal
		and external
		video OK?
N		N
Adjust external		Replace
		system
monitor display.
		board.

Done

Done

Maintenance and Service Guide 2–13