Dell OptiPlex GX270 - Manual (Page 154)

If you installed a microprocessor replacement kit from Dell, return the original heat sink assembly and microprocessor to Dell in the same package in
which your replacement kit was sent.
6. Install the heat sink:
a. Place the one end of the heat sink under the tab on one side of the retention base.
b. Lower the heat sink until the heat sink fits securely under the tab on the retention base.
c. Insert the securing clip by placing the notched end of the clip opposite the tab into the slot on the retention base. Press on the securing clip tab
and lower the securing clip into place. Make sure that the notched ends of the securing clip are secured in the retention base slots.
7. Lower the airflow shroud over the heat sink.
8. Reconnect the cooling fan power cable to the FAN connector on the system board.
9. Reconnect the power cable to the 12VPOWER connector on the system board.
10. Close the computer cover.
NOTICE: If you are not installing a microprocessor upgrade kit from Dell, reuse the original heat sink assembly when you replace the microprocessor.
1 heat sink
2 retention base tab
3 retention base
1 securing clip
2 tab
3 slot
4 retention base