Dell Precision NX046 User Manual page 282

5 Use a long Phillips screwdriver to loosen the four captive screws on the
sides of the heat-sink assembly.
CAUTION:
Ensure that it has had sufficient time to cool before you touch it.
1
2
1 heat sink assembly
6 Lift to remove the heat-sink assembly from the computer.
7 Disconnect the optional speaker connector (if installed) from the system
board.
8 Disconnect the card fan from the system board connector labeled
FAN_CCAG (see "System Board Components" on page 28.)
282
Adding and Replacing Parts
The heat-sink assembly may become very hot during normal operation.
2 captive screw housing (4)