Lenovo THINKCENTRE 8177 Bedienungsanleitung PDF herunterladen (Seite 118)

5. Install the new power supply and insert the four screws that hold the power

supply in place.

6. Reconnect all power supply cables to the system board and the drives. See

“Identifying parts on the system board” on page 108.

7. Go to “Installing the cover and connecting cables” on page 116.

Removing and replacing the system board

1. Remove the cover. See “Removing the cover” on page 106.

2. Remove any PCI adapters installed. See “Removing and replacing a PCI

adapter” on page 110.

3. Carefully take note of the location of all cable connections on the system

board. It will be necessary to reconnect them properly when installing a new

system board. See “Identifying parts on the system board” on page 108.

4. Disconnect all cables connected to the system board.

5. Remove the screws that secure the system board in place and remove the

system board.

6. Take note of the location of the DIMMs and remove them from the failing

system board and install them on the new system board in the same location

as they were on the failing system board. See “Removing and replacing

memory” on page 109.

7. Remove the heat sink and microprocessor from the failing system board and

install them on the new system board. See “Removing and replacing the

112 Hardware Maintenance Manual

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Lenovo THINKCENTRE 8177 Bedienungsanleitung Seite 118