Steps
1. Replace the two (M2.5x5) screws to secure the rear I/O board to the system board and connect the rear I/O flat printed
cable.
Adhere the rear I/O flat printed cable with kapton tapes to the connector.
2. Route the cables using the routing channels on the system chassis and adhere the adhesive tape on the rear I/O board.
Next steps
1. Install the base cover.
2. Install the primary M.2 2280 solid state drive or primary M.2 2230 solid state drive.
3. Install the battery.
4. Follow the procedure in after working inside your computer.
System board
Removing the system board
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the battery.
3. Remove the primary M.2 2280 solid state drive or primary M.2 2230 solid state drive.
4. Remove the keyboard.
5. Remove the base cover.
6. Remove the Wi-Fi I/O board.
7. Remove the WLAN card.
8. Remove the WWAN card.
9. Remove the dock I/O board.
10. Remove the rear I/O board.
11. Remove the fan.
12. Remove the heat-sink (UMA) or heat-sink (discrete).
About this task
The following image indicates the connectors on your system board.
66
Removing and installing components
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