Dell Vostro 3491 - Heat Sink; Removing the Heatsink - UMA; Installing the Heatsink - UMA

3. Replace the base cover
4. Replace the SD memory card
5. Follow the procedure in after working inside your computer
Heat sink
Removing the heatsink - UMA
Prerequisites
1. Follow the procedure in before working inside your computer
2. Remove the SD memory card
3. Remove the base cover
4. Remove the battery
5. Remove the hard drive assembly
6. Remove the system fan
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. Lift the heatsink off the system board [2].
Installing the heatsink - UMA
Steps
1. Place the heatsink on the system board and align the screw holes on the heatsink with the screw holes on the system board [1].
Removing and installing components
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