Lenovo ThinkPad E490 - Storage Drive Replacement

M.2 solid-state drive
Prerequisite
Before you start, read Appendix A “Important safety information” on page 73 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 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.
Replacement procedure
1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 40.
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 assembly.
• For E490/R490, see “Base cover assembly (for E490/R490)” on page 42.
• For E490s, see “Base cover assembly (for E490s)” on page 40.
5. Remove the M.2 solid-state drive by doing the following:
a. Remove the screw that secures the M.2 solid-state-drive
1 . The M.2 solid-state drive is released
from the secured position and pivots upward.
b. Carefully remove the drive out of the slot
2 .
Note: Depending on your computer model, a thermal pad is attached above or below the M.2 solid-
state drive to prevent possible overheating. Ensure that the thermal pad is not moved and damaged.
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E490/E490s/R490 User Guide