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 the Intel Optane
memory by doing the following:
a. Restart the computer. When the logo screen is displayed, press F1.
Note: If a supervisor password has been set, enter the correct password when prompted. You also
can press Enter to skip the password prompt and enter the BIOS menu. However, you cannot
change the system configurations that are protected by the supervisor password.
b. Select Config ➙ Storage ➙ Intel (R) Rapid Storage Technology ➙ Intel Optane ➙ Disable.
c. Select to preserve user data and select Yes to confirm your operation.
d. Select Disable and wait for the process to complete.
Note: It might take a couple of minutes or even hours to complete the disabling process. Do not
restart the computer until the process is completed.
e. Press F10 to save changes and exit.
2. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 53.
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 54 or
“Base cover assembly (for T590 and P53s only)” on page 56.
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T490, T590, P43s, and P53s User Guide
