Steps
1. Align the screw holes on the heat sink with the screw holes on the system board.
2. In sequential order (as indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system
board.
Next steps
1. Install the 3-cell battery or 4-cell battery.
2. Install the base cover.
3. 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 microSD card.
3. Remove the SIM card.
4. Remove the base cover.
5. Remove the 3-cell battery or 4-cell battery.
6. Remove the WLAN card.
7. Remove the WWAN card (optional).
8. Remove the M.2 2280 SSD or M.2 2230 SSD.
9. Remove the fan.
10. Remove the heat sink.
Removing and installing components
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