Flowchart 2.2—No Power, Part - HP Compaq nw9440 - Mobile Workstation Maintenance And Service Manual

Troubleshooting
Flowchart 2.2—No Power, Part 1
No power
(power LED
is off).
Remove from
docking device
(if applicable).
Power up
on battery
power?
Y
Power up
on AC
power?
Y
Power up in
docking
device?
N
1. Reset the power cables in the docking device
and at the AC outlet.
2. Be sure the AC power source is active.
3. Be sure that the power strip is working.
Done
2–12
N
Reset
power.*
N
Reset
power.*
Y
Done
Y
Power up
in docking
device?
Power up
on battery
power?
Y
Power up
on AC power?
Y
*NOTES
1. On select computer models, there is a
separate reset button.
2. On select computer models, the computer
can be reset using the standby switch and
either the lid switch or the main power
switch.
N
Go to
"Flowchart
2.8—Nonfunctioning
Docking Device (if
applicable)."
Maintenance and Service Guide
N
Go to
"Flowchart
2.3—No Power,
Part 2."
N
Go to
"Flowchart
2.4—No Power,
Part 3."