Heat Sink; Removing The Heatsink - Dell Vostro 3581 Service Manual

3 Install the optical drive
4 Install the micro SD card
5 Follow the procedure in

Heat sink

Removing the heatsink

Prerequisites
1 Follow the procedure in
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 off the system board [3].
after working inside your computer
before working inside your computer
Removing and installing components 45