Lenovo ThinkPad X1 User Manual page 57

Attention: If you replace a M.2 solid-state drive, you might need to install a new operating system. For
details on how to install a new operating system, see "Install a Windows operating system and drivers" on
page 42.
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 or circuit board 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.
For access, do the following:
1. Disable the built-in battery. See "Disable Fast Startup and the built-in battery" on page 45.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display and turn over the computer.
4. Remove the base cover assembly. See "Base cover assembly" on page 46.
Removal procedure
Note: In case of M.2 SSD replacement, you computer only supports single-sided M.2 SSD. Double-sided
M.2 SSD is not applicable due to the height limitation of the slot.
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Chapter 6 CRU replacement
51