Dell Vostro 5481 Service Manual

Removing the heatsink

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. base cover
   2. battery
3. To remove the heatsink:
   1. Loosen the seven captive screws that secure the heatsink to the system board in sequential order as indicated on the heatsink[1].

      NOTE: : This step is applicable only for discrete models. For UMA models, loosen four captive screws that secure the heatsink to the system board in sequential order as indicated on the heatsink.

   2. Lift the heatsink away from the system board [2].
      
   3. For the systems shipped with UMA model, loosen the four captive screws in sequential order (as indicated on the heatsink) that secure the heatsink to the system board and lift the heatsink away from the system [1, 2].