HP NX9040, NX9030, NX9020, ZE4900 manual Flowchart 2.4-No Power, Part, External

Troubleshooting

Flowchart 2.4—No Power, Part 3

Continued from

“Flowchart

2.3—No Power,

Part 2.”

Plug directly

into AC outlet.

Y

Power LED

on?

N

Done

Reseat AC adapter
in notebook and
at power source.
Y
Power on?	Done
N		External
N
Power outlet	Try different	Internal or	Replace external
		external AC
			AC adapter.
active?	outlet.	adapter?
Y		Internal	N
		Go to
Replace		“Flowchart	Power on?
		2.5—No Power,
power cord.
		Part 4.”
			Y
Y
Power on?	Done		Done
N
2–10		Maintenance and Service Guide