Dell Latitude 12 Rugged Extreme (7204, Early 2014) - Manual (Page 18)

a. battery
b. bottom cover
3. To remove heatsink:
a. Loosen the screws that secure the heatsink to the system board in the sequence shown [1,2,3,4].
NOTE: The screws are retained by the heatsink and should not be fully removed.
b. Lift and remove the heatsink from the computer chassis.
Installing the Heatsink
1. Clean the old thermal grease and re-apply the grease at the base of the heatsink.
2. Align the heatsink to its position on the system board.
3. Tighten the screws in the numerical sequence depicted on the bracket, to secure the heatsink on the
system board.
4. Install:
a. heatsink
b. battery
5. Follow the procedures in After Working Inside Your Computer .
Removing the Speaker
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a. battery
b. bottom cover
3. To remove the speaker:
a. Disconnect the speaker cable from the system board [1].
b. Remove the screws that secure the speaker module to the computer chassis [2].
c. Lift the speaker module and remove it from the computer chassis [3].
18