Dell Precision 7720 Owner's Manual

Installing the heat sink assembly

1. Insert the heat-sink assembly in its slot.
2. Tighten the captive M2.5x5.0 screws to secure the heat-sink assembly to the computer.
   NOTE Tighten the screws on the system board in the order stamped onto the heat sink next to the screws [1, 2, 3, 4, 5, 6, 7, 8].
3. Connect the fan cables to the system board.
4. Install the:
   1. palmrest
   2. keyboard
   3. hard drive
   4. base cover
   5. battery
   6. battery cover
5. Follow the procedure in After working inside your computer.