![](/images/new-backgrounds/1223660/223660191x1.webp)
20.Carefully remove the main board.
Removing the USB Board Module
1.See “Removing the Battery Pack” on page 50.
2.See “Removing the SD dummy card” on page 51.
3.See “Removing the ExpressCard dummy card” on page 51.
4.See “Removing the Lower Cover” on page 52.
5.See “Removing the DIMM” on page 53.
6.See “Removing the WLAN Board Modules” on page 54.
7.See “Removing the Hard Disk Drive Module” on page 56.
8.See “Removing the Optical Drive Module” on page 58.
9.See “Removing the Middle Cover” on page 62.
10.See “Removing the Keyboard” on page 63.
11.See “Removing the Heatsink Fan Module” on page 64.
12.See “Removing the CPU Heatsink Module” on page 65.
13.See “Removing the CPU” on page 66.
14.See “Removing the LCD Module” on page 67.
15.See “Separating the Upper Case from the Lower Case” on page 70.
16.See “Removing the Modem Board” on page 80.
84 | Chapter 3 |