Prerequisite
Before you start, read General safety and compliance notice, and print the following instructions.

The
heatsink might be very hot. Before you open the computer cover, turn
off the computer and wait several minutes until the computer is cool.
Attention: The M.2 solid-state drive is sensitive. Inappropriate
handling might cause damage and permanent loss of data. When handling
M.2 solid-state drive, observe the following guidelines:
- Replace the M.2 solid-state drive only for upgrade or repair.
The M.2 solid-state drive is not designed for frequent changes or
replacement.
- Before replacing the M.2 solid-state drive, make a backup copy
of all the data that you want to keep.
- Do not touch the contact edge of the M.2 solid-state drive. Otherwise,
M.2 solid-state drive might get damaged.
Do not apply pressure to the M.2 solid-state drive.
Do not make the M.2 solid-state drive subject to physical shocks
or vibration. Put the M.2 solid-state drive on a soft material, such
as cloth, to absorb physical shocks.
The following illustration shows the location
of the M.2 solid-state drive on the system board.
Removal steps
Note: Remove the film that covers the thermal pad (if any) when
installing the M.2 solid-state drive and heatsink.