Dell Dimension 9100 - Manual (Page 32)

7. Release the release lever and lift the processor cover.
8. 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.
4. Align the pin-1 corners of the processor and socket.
1 processor cover
2 processor
3 socket
4 release lever
NOTICE: When the release lever is freed, the processor may shift in place. Before securing the processor cover after it has been opened, ensure that
the notches on the processor are aligned with the notches on the socket.
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.