Dell OptiPlex 3070 Micro Service Manual

Removing heatsink

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. Side cover
   2. 2.5 inch hard drive assembly
   3. Heatsink fan
3. To remove the heatsink:
   1. Loosen the four three(M3) captive screws that secure the heat sink to the system [1].
      NOTE The heatsink is secured to the system board with four screws and three screws for 35 W and 65 W CPU respectively.
   2. Lift the heat sink away from the system [2].