SSD drive
Description Spare part number
512-GB, TLC, M.2 855107-001
256-GB, MLC, OPAL2, M.2 850921-001
256-GB, PCIe 850920-001
240-GB, MLC, M.2 850922-001
128-GB, TLC, M.2 855091-001
Before removing the solid-state drive, follow these steps:
1. Turn o 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see Bottom cover on page 23).
5. Disconnect the battery cable (see Battery on page 25).
Remove the SSD:
1. Remove the Phillips PM2.0×3.0 screw (1) that secures the drive to the system board.
2. Remove the drive (2) by pulling it away from the connector.
NOTE: M.2 drives are designed with notches to prevent incorrect insertion.
Reverse this procedure to install the SSD drive.
26 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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