Dell GX280DT User Guide - Page 191

1 heat-sink/blower assembly 4 retention base 2 screw 5 heat sink 3 tab 6 screw 1 securing clip 2 tab 3 slot 4 retention base 17. Reconnect the cooling fan power cable to the FAN connector on the system board. 18. Reconnect the power cable to the 12VPOWER connector on the system board. 19. Close the computer cover. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 20. Connect your computer and devices to electrical outlets, and turn them on. After you open and close the cover, the chassis intrusion detector, if installed and enabled, causes the following message to appear on the screen at the next computer start-up: ALERT! Cover was previously removed. 21. Reset the chassis intrusion detector by changing Chassis Intrusion to On or On-Silent. NOTE: If an admin password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector.