9. Install the Wi-Fi card to the M.2 Wi-Fi card slot, and insert the stopper.
10. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the
computer.
Card reader
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 60.
2. Remove the front bezel. See "Front bezel" on page 61.
3. Remove the drive bay assembly. See "Drive bay assembly" on page 64.
4. Disconnect the card reader cable from the system board.
5. Remove the card reader bracket.
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M70t and M80t Hardware Maintenance Manual