Lenovo ThinkPad X1 Extreme Gen 4 User Manual page 47

• 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.
Depending on model, your computer might have two M.2-solid-state-drive slots. When you configure the
M.2-solid-state-drive slot in the UEFI BIOS menu, ensure that you select the correct menu item.
• Slot a : NVMe0
• Slot b : NVMe1
For access, do the following:
1. Disable the built-in battery. See "Disable Fast Startup and the built-in battery" on page 37.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display and turn the computer over.
Note: Depending on model, your solid-state drive might be Gen 3 or Gen 4. You can find the corresponding
slot for solid-state drive Gen 3 or Gen 4 by the numbers marked on the system board.
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Chapter 6 CRU replacement
41