Lenovo 21FV Hardware Maintenance Manual page 77

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.
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
Special notices for M.2 solid-state drive thermal pad
Before you replace a M.2 solid-state drive, observe the following tips to ensure you use the proper thermal
pad:
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Chapter 8 Removing or replacing a FRU
71