HP M2528TU, M2599XX, M2526TU, M2525TU, M2529TU, M2527TU, M2523TU, M2520TU Flowchart 2.2-No Power, Part

Troubleshooting

Flowchart 2.2—No Power, Part 1

No power

(power LED

is off).

Remove from

docking device (if applicable).

NN

Power up	Reset	Power up
on battery		on battery
	power.*
power?		power?
Y		Y

Go to

“Flowchart

2.3—No Power,

Part 2.”

N

Power up

on AC

power?

Y

Reset power.*

N

Power up

on AC power?

Y

Go to

“Flowchart

2.4—No Power,

Part 3.”

Y

Power up in

docking Done device?

N

1.Reseat the power cables in the docking device and at the AC outlet.

2.Ensure the AC power source is active.

3.Ensure that the power strip is working.

*NOTES

1.On select models, there is a separate reset button.

2.On select models, the computer can be reset using the standby switch and either the lid switch or the main power switch.

Done

Y	N
		Go to
Power up
		“Flowchart
in docking		2.8—Nonfunction-
device?		ing Docking Device
		(if applicable).”

2–10 Maintenance and Service Guide