Top cover
Description Spare part number
Top cover L00844-001
Before removing the top cover, 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. Place the computer in “Battery Safe mode” (Battery Safe mode on page 31).
3. Disconnect all external devices connected to the computer.
4. 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.
5. Remove the following components:
a. Service doors (Service doors on page 32).
b. Hard drive (Hard drive on page 38)
c. Keyboard (Keyboard on page 41)
Remove the top cover:
1. Position the computer upside-down with the front toward you.
2. Remove the 5 Torx T8 2.5×7.0 screws (1) from around the edges of the computer.
3. Remove the Phillips broad head M2.0×2.0 screw (2) from the hard drive bay.
4. Remove the 3 Torx T8 2.5×5.0 screws (3) from the top of the computer.
5. Position the computer upright and open it as far as possible.
Component replacement procedures 45
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