Lenovo ThinkPad T490s Hardware Maintenance Manual page 80

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.
For computer models that support the Intel Optane technology, disable the Intel Optane memory before
removing it. To disable the Intel Optane memory, do the following:
1. 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.
2. Select Config ➙ Storage ➙ Intel (R) Rapid Storage Technology ➙ Intel Optane ➙ Disable.
3. Select to preserve user data and select Yes to confirm your operation.
4. Select Disable and wait for the process to complete.
Note: The disabling process may take from a couple of minutes to hours. Do not restart the computer
until the process is completed.
5. Press F10 to save changes and exit.
Removal steps of the long M.2 solid-state drive
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T490s and X390 Hardware Maintenance Manual