Replacing The M.2 Solid-State Drive - Lenovo 20HGS3KN00 User Manual

7. Reinstall the base cover assemlby.
8. Turn the computer over. Connect the ac power adapter and all cables to the computer.

Replacing the M.2 solid-state drive

Before you start, read "Important safety information" on page v and print the following instructions.
Attention: The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and
permanent loss of data.
When handling the 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 apply pressure to the M.2 solid-state drive.
• Do not touch the contact edge of the M.2 solid-state drive. Otherwise the M.2 solid-state drive might get
damaged.
• 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.
• Never remove the M.2 solid-state drive while the computer is operating, in sleep mode, or in hibernation
mode.
To replace the M.2 solid-state drive, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 109.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3. Close the computer display and turn the computer over.
4. Remove the base cover assembly. See "Replacing the base cover assembly" on page 110.
5. Remove the screw that secures the M.2 solid-state drive 1 . Then remove the M.2 solid-state drive
Chapter 9
2 .
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Replacing devices