Flowchart 2.4—No Power, Part - HP Compaq NX4820 Maintenance And Service Manual

Troubleshooting
Flowchart 2.4—No Power, Part 3
Continued from
"Flowchart
2.3—No Power,
Part 2."
Plug directly
into AC outlet.
Power LED
on?
N
Reseat AC adapter
in computer and
at power source.
Power on?
N
Power outlet
active?
Y
Replace
power cord.
Power on?
N
2–12
Y
Done
Y
Done
N
Try different
outlet.
Y
Done
External
Internal or
external AC
adapter?
Internal
Go to
"Flowchart
2.5—No Power,
Part 4."
Maintenance and Service Guide
Replace external
AC adapter.
N
Power on?
Y
Done