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When replacing the system board, be sure that the following additional components are removed from the defective
system board and installed on the replacement system board:
■
Fan/heat sink assembly (see
■
Processor (see
Remove the system board:
1. Turn the computer display-side up.
2. Position the computer with the right side toward you.
3. Disconnect the following cables from the system board:
1 Modem cable
2 Audio board cable
3 USB board cable
4 Fan cable
Maintenance and Service Guide
"Heat sink/fan assembly or heat sink" on page
"Processor" on page
4-57)
Removal and replacement procedures
4-52)
4–49
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