3. Follow the procedure in
System board
Removing the system board
Prerequisites
1. Follow the procedure in
2. Remove the
base
cover.
3. Remove the
WWAN card
NOTE:
For systems shipped with WWAN card, the SIM card slot is located at the bottom-left side of the system board.
While replacing the system board, the SIM card must be transferred to the new system board.
About this task
The following images indicate the connectors on your system board.
1. WLAN card connector
2. Display cable connector
3. Speaker cable connector
4. Battery cable connector
5. Keyboard cable connector
6. Touchpad cable connector
7. WWAN card connector
8. SIM card connector
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
32
Removing and installing components
After working inside your
Before working inside your
for systems enabled with 4G LTE.
computer.
computer.