Top cover
NOTE: Top cover spare part kits include the touchpad assembly.
Description Spare part number
Top cover with a fingerprint reader (includes fingerprint reader assembly) 721540-001
Top cover without a fingerprint reader (includes fingerprint reader plastic insert, bracket, and screws 721541-001
Before removing the top cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 36).
5. Remove the following components:
a. Service door (see
Service door on page 37).
b. Keyboard (see
Keyboard on page 49)
c. Optical drive (
Optical drive on page 41)
Remove the top cover:
1. Position the computer upside-down with the front toward you.
2. Remove the following covers and screws that secure the top cover to the computer:
NOTE: Rubber screw covers come in three different sizes and are available in the Rubber Kit, spare
part number 721533-001.
(1) 2 rubber screw covers from the rear corners
(2) 2 rubber screw covers from each side
(3) 2 rubber screw covers from the front corners
Component replacement procedures 53
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