User Guide

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 for the long M.2 solid-state drive
1. If you are going to replace a hybrid solid-state drive (with Intel Optane memory), disable Intel Optane
memory by doing the following:
a. Run the iRST Console with Device Driver.
b. Click Intel Optane Memory and then follow the instructions on the screen to disable it.
2. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 51.
3. Turn off the computer and disconnect the computer from ac power and all connected cables. Then,
close the computer display.
4. Remove the base cover assembly. See “Base cover assembly (for T490 and P43s only)” on page 52 or
“Base cover assembly (for T590 and P53s only)” on page 54.
5. Remove the M.2 solid-state drive by doing the following:
Note: A Mylar film might cover the M.2 solid-state drive. To access the M.2 solid-state drive, open the
film first.
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 .
58 T490, T590, P43s, and P53s User Guide