Dell Precision 3520 Owner's Manual

Removing the heat sink assembly

Follow the procedure in Before working inside your computer .
Remove the:
1. base cover
2. battery
To remove the heat sink assembly:
1. Disconnect the heat sink assembly cable[1] and remove the screws that secure on the system board[2].
2. Remove the M2.0x3.0 screws that secure the heat sink assembly on the system board [1].
  - NOTE: Remove the screws that secure the heat sink assembly to the system board in the order of the callouts shown on the heat sink assembly [1, 2, 3, 4 , 5, 6].
3. Lift the heat sink assembly away from the system board [2].