
Base enclosure
Description Spare part number
Base enclosure (includes seven rubber feet, the service cover release latch assembly, and the
battery release latch assembly)
687224-001
Before removing the base enclosure, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 29), and then remove the following components:
a. Service cover (see
Service cover on page 30)
b. Optical drive (see
Optical drive on page 31)
c. Solid-state drive (see
Solid-state drive on page 32)
d. Keyboard (see
Keyboard on page 40)
NOTE: When replacing the base enclosure, be sure to remove the speaker assembly (see Speaker
assembly on page 47) from the defective base enclosure and install it on the replacement
base enclosure:
Remove the base enclosure:
1. Close the computer.
2. Turn the computer upside down, with the front toward you.
3. Remove the three rubber screw covers (1) and (2). The rubber screw covers are included in the
Rubber Kit, spare part number 641831-001.
NOTE: The rubber screw covers in the front/right and rear/left corners (1) are smaller than the
screw cover in the rear/right corner.
4. Remove the seven Torx PM2.5×6.0 screws (3) that secure the base enclosure to the computer.
Component replacement procedures
43