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To replace the power supply, do the following:
1. Install the new power supply and insert the four screws that hold the power
supply in place.
2. Reconnect all power supply cables to the system board and the drives. See
“Identifying parts on the system board (all machine types)” on page 38.
3. Go to “Replacing the cover and connecting the cables” on page 63.
Replacing a microprocessor (all machine types)
To remove the microprocessor, do the following:
1. Turn off the computer and peripheral devices and disconnect all external cables
and power cords; then, remove the cover. See “Removing the cover” on page
30.
2. Remove any air baffles or ducts that cover the microprocessor.
3. Disconnect the heat sink fan cable from the system board. Refer to “Identifying
parts on the system board (all machine types)” on page 38.
Chapter 6. Replacing FRUs 59