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Troubleshooting
Maintenance and Service Guide 2–7
2.4 No Power, Part 3
Continued from
Section 2.3,
No Power, Part 2
Reseat AC adapter
in computer and
at power source.
Internal or
external AC
adapter?
Done
Done
Done Done
Power on?
Power on?
Power on?
Plug directly
into AC outlet.
Power LED
on?
Power outlet
active?
Try different
outlet.
Replace external
AC adapter.
Replace
power cord.
Y
N
Y
Y
Y
Y
N
N
N
N
External
Internal
Go to
Section 2.5,
No Power, Part 4