Replacing The System Board - Lenovo ThinkCentre 8290 Hardware Maintenance Manual

5. Lift the power supply out of the chassis.
6. Install the new power supply and insert the four screws that hold the power
7. Reconnect all power supply cables to the system board and the drives. See
8. Go to "Completing the FRU replacement." on page 109.

Replacing the system board

Note: When replacing the system board, a new retention bracket for the
supply in place.
"Identifying parts on the system board (Types 8290, 8291, and 8292" on page 89
or "Identifying parts on the system board (Types 9214, 9215, and 9216" on page
90. Make sure the cables are correctly routed.
microprocessor heat sink is required. Make sure you have a new retention
bracket before beginning this procedure.
1. Remove the left-side cover. See "Removing the covers" on page 86.
2. Lay the computer on the right side to make the system board accessible.
3. Remove any adapter cards installed in the PCI connectors. See "Replacing a
PCI adapter" on page 92.
4. Carefully take note of the location of all cable connections on the system
board and disconnect all cables. See "Identifying parts on the system board
(Types 8290, 8291, and 8292" on page 89 or "Identifying parts on the system
board (Types 9214, 9215, and 9216" on page 90.
5. Remove the screws the secure the system board to the chassis.
6. Lift the system board out of the chassis.
7. Remove the memory modules from the failing system board and install them
in the same location on the new system board.
Chapter 8. Replacing FRUs (Types 8290, 8291, 8292, 9214, 9215, and 9216
95