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) 721951-001
Top cover without a fingerprint reader (includes fingerprint reader plastic insert, bracket, and screws 721952-001
Top cover for use in models with a fingerprint reader, RCTO (includes touchpad assembly, fingerprint
reader plastic insert, bracket, and screws)
748003-001
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 37).
5. Remove the following components:
a. Service door (see
Service door on page 38).
b. Keyboard (see
Keyboard on page 50)
c. Optical drive (
Optical drive on page 42)
Remove the top cover:
1. Position the computer upside-down with the front toward you.
54 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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