System Fan - Lenovo ThinkCentre M70q Hardware Maintenance Manual

3. Replace the internal speaker.
4. Connect the internal-speaker cable to the internal-speaker connector on the system board.
5. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the
computer.

System fan

Prerequisite
Before you start, read Chapter 1 "Important safety information" on page 1 and print the following
instructions.
Replacement procedure
1. Remove the computer cover. See "Computer cover" on page 55.
2. Remove the internal speaker. See "Internal speaker" on page 57.
3. Disconnect the system fan cable from the system fan connector on the system board.
4. Replace the system fan.
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M70q and M80q Hardware Maintenance Manual