i System board
3 Disconnect and remove the coin-cell battery cable from the system board.
Installing real time clock
1 Connect the coin cell battery cable to the system board.
2 Install:
a System board
b Heat sink module
c WWAN card
d WLAN card
e SSD card
f Battery
g Base cover
h SIM card tray
i Micro SD
NOTE
: To install both cards if equipped.
3 Follow the procedure in After working inside your computer.
RTC is located on the system board and hence system board must be installed after the installation of the RTC.
Keyboard
Removing keyboard assembly
NOTE
: The keyboard and the keyboard tray together are called the keyboard assembly.
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a Micro SD
b SIM card tray
Removing and installing components
31