HP Pavilion zd8000 HP Pavilion zd8000 Notebook PC - Maintenance and Service Gu - Page 36

Flowchart 2.8-Nonfunctioning Expansion Base, if applicable

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Troubleshooting Flowchart 2.8-Nonfunctioning Expansion Base (if applicable) Nonfunctioning expansion base. Reseat power cord in expansion base and power outlet. Check voltage setting on expansion base. Reset monitor cable connector at expansion base. Y Expansion base operating? N Remove notebook, reseat all internal parts, and replace any damaged items in expansion base. Done Reinstall notebook into expansion base. Y Expansion base operating? N Done 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 2-14 Maintenance and Service Guide

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2–14
Maintenance and Service Guide
Troubleshooting
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.