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 battery (see Battery on page 32).
5. Remove the optical drive (see Optical drive on page 33).
6. Remove the bottom cover (see Bottom cover on page 39).
7. Remove the fan/heat sink (see Fan/heat sink assembly on page 56).
To remove the display assembly:
1. Position the computer with the display open and hanging down o the edge of a table.
2. Disconnect the display cable from the system board (1).
3. Disconnect the wireless antenna cables from the WLAN module (2).
4. Remove the two Phillips PM2.5×7.0 screws (3) that secure the display assembly to the computer.
5. Remove the three Phillips broadhead PM2.0×2.0 screws (4) that secure the display assembly to the
computer.
6. Open the display to rotate the hinges upward to an angle (5).
68 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts