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Troubleshooting
Maintenance and Service Guide 2–9
Flowchart 2.2—No Power, Part 1
1. Reseat the power cables in the
expansion base and at the AC outlet.
2. Ensure the AC power source is active.
3. Ensure that the power strip is working.
Done
Remove from
expansion base
(if applicable).
Power up
on battery
power?
Power up
on AC
power?
Power up in
docking
device?
Power up
on battery
power?
Power up
in expansion
base?
Done
Reset
power.*
Reset
power.*
Power up
on AC
power?
N
Y
Y
N
N
Y
N
N
Y
Y
YN
1. On select models, there is a separate
reset button.
2. On select models, the notebook can be
reset using the Standby switch and
either the lid switch or the main power
switch.
*NOTES
Go to
“Flowchart
2.4—No Power,
Part 3.”
Go to
“Flowchart
2.3—No Power,
Part 2.”
Go to
“Flowchart
2.8—Nonfunctioning
Expansion Base (if
applicable).”
No power
(power LED
is off).