Maintenance and Service Guide

Before removing the wireless antenna, 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 bottom cover (see
Bottom cover on page 23).
5. Remove the rear cover (see
Rear cover on page 26).
6. Disconnect the battery cable (see
Hard drive on page 27).
7. Remove the hard drive (see
Hard drive on page 27).
8. Remove the cover bracket (see
X-axis capacitor board on page 33).
9. Remove the display stand recess (see
Display stand recess on page 41).
Remove the wireless antenna:
1. Release the wireless antenna transceivers (1) from the surfaces of the middle frame and the
display assembly. (The wireless antenna transceivers are attached to the middle frame and the
display assembly with double-sided tape.)
2. Release the wireless antenna cables from the clips (2) built into the display assembly.
3. Remove the wireless antenna cables and transceivers (3).
Reverse this procedure to install the wireless antenna.
Middle frame
Description Spare part number
Middle frame (includes display assembly pads, display stand release assembly, and X-axis
capacitor board riser)
728055-001
753182-001
Component replacement procedures 59