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Troubleshooting
Maintenance and Service Guide 2–15
Flowchart 2.8—Nonfunctioning Expansion Base
(if applicable)
Y
N
Reseat power
cord in expansion
base and
power outlet.
N
Replace the following expansion base
components one at a time. Check
notebook operation after each
replacement.
1. Power supply
2. I/O board
3. Backplane board
4. Switch box
5. Expansion base motor mechanism
Check voltage
setting on
expansion base.
Reset monitor
cable connector at
expansion base.
Reinstall
notebook into
expansion base.
Expansion
base
operating?
Expansion
base
operating?
Remove
notebook, reseat
all internal parts,
and replace any
damaged items in
expansion base.
Done
Done
Y
Nonfunctioning
expansion base.