Internal base plate
Before removing the internal base plate, 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.
4. Remove the bottom cover (see Bottom cover on page 26).
5. Remove the battery (see Battery on page 29).
Remove the internal base plate:
1. Remove 4 Phillips PM2.0x7.0 screws (1) and 6 PM2.5x2.5 screws (2).
42 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts