Lenovo ThinkCentre M82 Hardware Maintenance Manual page 122

Figure 44. Installing the eight screws that secure the new system board
13. Install the heat sink and fan assembly and connect the heat sink and fan assembly cable to the new
system board. See "Replacing the heat sink and fan assembly" on page 109.
14. Install the hard disk drive. See "Replacing the primary hard disk drive" on page 124.
15. Install the power supply assembly. See "Replacing the power supply assembly" on page 107.
16. Install all memory modules and PCI cards removed from the failing system board on the new system
board. See "Installing or replacing a memory module" on page 98 and "Installing or replacing a PCI
card" on page 95.
17. Reconnect all remaining cables to the system board. See "Locating parts on the system board"
on page 75.
18. To complete the replacement, go to "Completing the parts replacement" on page 150.
The failing system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling.
To install the microprocessor socket cover, do the following:
1. Release the lever securing the microprocessor retainer and open the retainer to access the
microprocessor.
2. Grasp the microprocessor on the sides and lift it straight up and out of the socket. Do not touch the
contacts on the microprocessor socket.
3. Lower the microprocessor retainer, and then lower the lever to secure the retainer. Ensure that the
lever is locked into position.
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ThinkCentre Hardware Maintenance Manual