User Manual

Note: Memory module replacement might cause memory retraining. For details, see “Detect memory
retraining” on page 38.
2242 M.2 solid-state drive
Prerequisite
Before you start, read
Generic Safety and Compliance Notices and print the following instructions.
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 40.
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 43.
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.
4. Remove the base cover. See “Base cover assembly” on page 44.
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L14 Gen 3 and L15 Gen 3 User Guide