Acer 7420 Laptop User Manual


 
Chapter 3 69
6. Disconnect the antenna cables from the WLAN board.
7. Move the antenna away from the WLAN board and remove the two screws (C) on the WLAN board to
release the WLAN board.
8. Detach the WLAN board from the WLAN socket.
NOTE: When attaching the antenna back to the WLAN board, make sure the cable are arranged properly.
Removing the Hard Disk Drive Module
1. See “Removing the Battery Pack” on page 62.
2. See “Removing the SD dummy card” on page 63.
3. See “Removing the PC and ExpressCard dummy cards” on page 63.
4. See “Removing the Lower Cover” on page 64.
Step Size (Quantity) Color Torque
1~2 M2 x L4 (2) Silver 1.6 kgf-cm