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 36.
Note: A Mylar film might cover the memory module. To access the memory module, peel off the film first. Do
not damage the mylar film and attach it in place after installation.
Step 1. Remove the memory module as shown below.
Step 2. Install the memory module in reverse order.
Memory module replacement might cause memory retraining. For details, see “Detect memory retraining (for
Intel models only)” on page 28.
M.2 solid-state drive and its bracket (for selected models)
Follow the instructions to replace the M.2 solid-state drive.
Before you start, read
Generic Safety and Compliance Notices 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 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 subject the M.2 solid-state drive 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 the built-in battery” on page 31.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
Chapter 6. CRU replacement 39
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