Specifications

Bottom cover
NOTE: The optional screw is located on the inside of the bottom cover.
Description Spare part number
Bottom cover 646077-001
Before removing the bottom 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 49).
Remove the bottom cover:
1. Turn the computer upside-down on a flat surface, with the battery bay toward you.
2. Slide the bottom cover release latch (1) to the left, remove the screw (if the optional screw is
being used) (2).
3. Slide the release latch again (3) to release the bottom cover.
4. Slide the bottom cover towards the front of the computer (4) and lift (5) to remove the cover.
Component replacement procedures 51