MacBook Pro 17" Unibody Lower Case Replacement

Remove the following ten screws securing the lower case to the upper case:

• Three 13.5 mm Phillips screws.
• Seven 3 mm Phillips screws.

Wedge your fingers between the lower case and the vent, and lift upward to release the two clips holding the lower case to the upper case.

• During reassembly, carefully align the lower case and then press it firmly until both clips engage.

Remove the lower case.