Solid-state drive (M.2)
Description Spare part number
256 GB, TLC 838954-001
128 GB, TLC 832793-001
128 GB, value 832794-001
Before removing the solid-state drive, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the 
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then 
unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 34).
5. Remove the optical drive (see Optical drive on page 35).
6. Remove the bottom cover (see Bottom cover on page 38).
Remove the solid-state drive:
1. Remove the Phillips PM2.0×3.5 screw (1) that secures the solid-state drive to the system board.
2. Remove the solid-state drive (2) by pulling the drive away from the slot at an angle.
Reverse this procedure to install the solid-state drive.
Component replacement procedures 45