Replacing The System Board - Lenovo 10KG Hardware Maintenance Manual

Replacing the system board

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
Note: Each computer has a unique Vital Product Data (VPD) code stored in the nonvolatile memory on
the system board. After you replace the system board, the VPD must be updated. To update the VPD,
see "Updating the BIOS" on page 71.
To replace the system board, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See "Removing the computer cover" on page 112.
3. If your computer comes with a system fan, remove the system fan. See "Replacing the system fan (for
10G8, 10G9, 10GA, 10GB, 10GC, 10GD, 10GE, and 10GF)" on page 114.
4. Remove the heat sink. See "Replacing the heat sink" on page 116.
5. Remove the memory module. See "Replacing the memory module" on page 118.
6. Remove the internal speaker. See "Replacing the internal speaker" on page 120.
7. Remove the front Wi-Fi antenna. See "Replacing the Wi-Fi antennas" on page 130.
8. Remove any parts that might prevent your access to the system board. Depending on your computer
model, you might need to remove the antenna bracket or the storage drive bracket. See "Replacing the
antenna bracket (for 10KG, 10KH, 10KJ, and 10KK)" on page 135 or "Replacing the 2.5-inch storage
drive (for 10G8, 10G9, 10GA, 10GB, 10GC, 10GD, 10GE, and 10GF)" on page 123.
9. Remove the Wi-Fi card. See "Replacing the Wi-Fi card" on page 128.
10. Record the cable routing and cable connections, and then disconnect all cables from the system board.
See "Parts on the system board" on page 37.
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ThinkCentre M600 Hardware Maintenance Manual