Top cover
Description Spare part number
Top cover (includes LED board and cable and display alignment guides) 454683-001
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 39).
5. Remove the following components:
a. Hard drive compartment cover (see
Hard drive on page 41)
b. Keyboard (see
Keyboard on page 50)
c. Rear plastic bezel (see
Rear plastic bezel on page 52)
Remove the top cover:
1. Turn the computer upside down, with the front toward you.
54 Chapter 4 Removal and replacement procedures
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