Dell OptiPlex 7070 Small Form Factor Service Manual

Removing heatsink assembly

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. Side cover
   2. Front bezel
   3. HDD assembly
   4. Hard drive and optical drive module
3. To remove the heatsink assembly:
   1. Disconnect the heatsink assembly fan cable from the connector on the system board [1].
   2. Loosen the 4 captive screws that secure the heatsink fan assembly [2] and lift it away from the system [3].
      
   NOTE:Loosen the screws in a sequential order (1,2,3,4) as mentioned on the system board.