2. In sequential order (as indicated on the heatsink), tighten the four captive screws that secure the heatsink to the system board [2].
Next steps
1. Connect the battery cable to the connector on the system board.
2. Replace the hard drive assembly
3. Replace the battery
4. Replace the base cover
5. Replace the SD memory card
6. Follow the procedure in after working inside your computer
Removing the heatsink - discrete
Prerequisites
1. Follow the procedure in before working inside your computer
2. Remove the SD memory card
3. Remove the base cover
4. Disconnect the battery cable from the connector on the system board.
Steps
1. Loosen the four captive screws that secure the heatsink to the system board [1].
NOTE: Loosen the screws in the order of the callout numbers [1, 2, 3, 4] as indicated on the heatsink.
2. Remove the three (M2x3) screws that secure the heatsink to the system board [2].
3. Lift the heatsink off the system board [3].
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Removing and installing components