Replacing The System Board; Types 8701, 8705, 8973, 8975, 8983, 8985, 8995, 9265, 9277, 9279, 9287, 9379, 9387, 9389, 9635, 9637, And 9648 - Lenovo ThinkCentre 8700 Hardware Maintenance Manual

4. Lift the power supply out of the chassis.
5. Install the new power supply into the chassis so that the screw holes in the
6. Install the four screws to secure the power supply.
7. Reconnect the power supply connectors to the system board. See "Identifying
8. Reconnect a power supply connector to each of the drives.
9. Go to "Completing the FRU replacement" on page 160.

Replacing the system board

The procedure to replace the system board is varies depending upon the machine
type.
Types 8701, 8705, 8973, 8975, 8983, 8985, 8995, 9265, 9277,
9279, 9287, 9379, 9387, 9389, 9635, 9637, and 9648
Note: When replacing the system board you must also order a new retention
power supply align with those in the chassis.
Note: Use only the screws provided by Lenovo.
parts on the system board" on page 130.
Important
The heat sink and microprocessor might be very hot. Make sure these
components are cool enough to safely handle before continuing this
procedure.
module for the new system board. Make sure you have a retention module
for the new system board before continuing with this procedure.
1. Remove the cover. See "Removing the cover" on page 129.
Chapter 9. Replacing FRUs (tower computers)
135