Heat Sink - Lenovo ThinkCentre M75n Hardware Maintenance Manual

2. Turn over the computer so that the bottom cover is facing up.
3. Remove the bottom cover. See "Bottom cover" on page 97.
4. Remove the M.2 solid-state drives. See "M.2 solid-state drives" on page 100.
5. Remove the Wi-Fi card. See "Wi-Fi card" on page 98.
6. Remove the system board. See "System board and coin-cell battery" on page 101.
7. Remove the rear antenna cable.
8. Install the rear antenna cable.
9. Reinstall all removed parts. Turn over the computer so that the bottom cover is facing down. Then,
reconnect the power adapter and all disconnected cables to the computer.

Heat sink

Prerequisite
Before you start, read Chapter 1 "Important safety information" on page 1 and print the following
instructions.
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ThinkCentre M75nHardware Maintenance Manual