HP R4127US, R4000, R4001XX, R4003XX, R4012US Flowchart 2.7-No Video, Part, Flowchart No Video Part

Troubleshooting

Flowchart 2.7—No Video, Part 2

Continued from

“Flowchart

2.6—No Video,

Part 1.”

Remove

notebook from docking device, if connected.

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 that notebook is properly		Try another
seated in docking device,
		external
for bent pins on cable,
		monitor.
and for monitor connection.
	Y	Y
Video OK?	Done	Internal
		and external
		video OK?
N		N
		Go to
Adjust external		“Flowchart
monitor display.		2.8—Nonfunctioning
		Docking Device (if
		applicable).”

Done

Done

Maintenance and Service Guide 2–15