Middle frame
Description Spare part number
Middle frame 851613-001
Before removing the middle frame, 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 service door (see Service door on page 33).
5. Disconnect the battery (see Battery on page 34).
6. Remove the hard drives (see Hard drive on page 35).
7. Remove the SSDs (see Solid-state drives (M.2) on page 39).
Remove the middle frame:
1. Remove the four screws (1) attaching the middle frame to the computer
2. Remove the middle frame (2).
Reverse this procedure to install the middle frame.
48 Chapter 6 Removal and replacement procedures for authorized service provider parts
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