Dell Vostro 3581 - Heat Sink; Removing the Heatsink

3 Install the optical drive
4 Install the micro SD card
5 Follow the procedure in after working inside your computer
Heat sink
Removing the heatsink
Prerequisites
1 Follow the procedure in before working inside your computer
2 Remove the SD card
3 Remove the optical drive
4 Remove the base cover
5 Remove the battery
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 o the system board [3].
Removing and installing components
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