Dell Vostro 3400 - Installing the Heatsink - UMA

About this task
Steps
1. Loosen the four captive screws that secure the heatsink to the system board.
2. Lift the heatsink off the system board.
Installing the Heatsink - UMA
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
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Disassembly and reassembly