Dell Dimension 3100C - Manual (Page 25)

4. Open the processor cover by sliding the release lever out from beneath the center cover latch on the socket. Then, pull the lever back to release the
processor.
5. Gently remove the processor from the socket.
Leave the release lever extended in the release position so that the socket is ready for the new processor.
Installing the Processor
1. Unpack the new processor, being careful not to touch the underside of the processor.
2. If the release lever on the socket is not fully extended, move it to that position.
3. Orient the front and rear alignment notches on the processor with the front and rear alignment notches on the socket.
1 heat sink and fan shroud assembly 2 captive screw housings (2)
NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not installing a processor upgrade kit from Dell,
reuse the original heat sink when you install your new processor.
1 processor cover 2 processor 3 socket
4 center cover latch 5 release lever
NOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket.
NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.
NOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket.
NOTICE: You must position the processor correctly in the socket to avoid permanent damage to the processor and the computer when you turn on the
computer.