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Top cover
Description Spare part number
Top cover (includes fingerprint reader board and cable) 452224-001
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 45).
5. Remove the following components:
a.
Hard drive (see
Hard drive on page 49)
b.
Optical drive (see
Optical drive on page 53)
c.
Keyboard (see
Keyboard on page 57)
d. Switch cover (see
Switch cover on page 71)
e. TouchPad (see
TouchPad on page 67)
f.
Display assembly (see
Display assembly on page 75)
Remove the top cover:
1.
Turn the computer upside down, with the front toward you.
2. Remove the two rubber screw covers (1). The rubber screw covers are included in the Plastics Kit,
spare part number 452221-001.
3. Remove the ten Torx T8M2.5×9.0 screws (2) that secure the top cover to the base enclosure.
80 Chapter 4 Removal and replacement procedures