Maintenance and Service Guide

WLAN module
For a list of available WLAN modules, see Computer major components on page 3.
1. Prepare the computer for disassembly (Preparation for disassembly on page 15).
2. Remove the access panel (Access panel on page 16).
3. In models with a hard drive, remove the hard drive (Hard drive on page 20) and drive cage Drive cage
on page 22.
4. In models with a discrete graphics processor, remove the graphics processor and heat sink assembly
(
Graphics processor and heat sink assembly on page 23).
5. Locate the WLAN module on the system board.
6. Disconnect both antenna cables (1) from the WLAN module.
WLAN module 25