Dell Dimension 5000 - Manual (Page 38)

a. Place the heat sink assembly back onto the heat sink assembly bracket.
b. Rotate the heat sink assembly down towards the computer base and tighten the two capture screws.
NOTICE: Ensure that the heat sink is correctly seated and secure.
9. Replace the computer cover .
10. Connect your computer and devices to electrical outlets, and turn them on.
System Board
1 heat sink and fan shroud assembly
2 heat sink assembly bracket
3 captive screw housing (2)
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug the cable into the computer.