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6.Replace the three screws that secure the
7.Replace the optical drive (see Replacing the Optical Drive).
8.Follow the instructions in step 5 in Replacing the Hard Drive(s).
9.Replace the memory module(s) (see Replacing the Memory Module(s)).
10.Replace the module cover (see Replacing the Module Cover).
11.Replace the battery (see Replacing the Battery).
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.