Maintenance and Service Guide

Bottom cover
Description Spare part number
Bottom cover for use in models with discrete graphics memory L25083-001
Bottom cover for use in models with UMA graphics memory L29289-001
Before removing the bottom cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
To remove the bottom cover:
1. Position the computer upside down with the front toward you.
2. Remove the six Phillips M2.0×13.0 screws (1) on the top half of the bottom cover.
3. Remove the three Phillips M2.0×5.0 screws (2) along the bottom of the bottom cover.
38 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts