Dell Precision 350 - Manual (Page 77)

12. Pull the release lever straight up until the microprocessor is released.
13. Remove the microprocessor from the socket.
Leave the release lever extended in the release position so that the socket is ready for the new microprocessor.
Installing the Microprocessor
1 securing clips (2)
2 latch (2)
3 heat sink
4 microprocessor socket
5 retention base
NOTICE: Lay the heat sink down with the thermal grease facing upward.
NOTICE: If you are installing a microprocessor upgrade kit from Dell, discard the original heat sink. If you are not installing a microprocessor upgrade kit
from Dell, reuse the original heat sink and blower when you install your new microprocessor.
NOTICE: Be careful not to bend any of the pins when you remove the microprocessor from the socket. Bending the pins can permanently damage the
microprocessor.
1 release lever
2 microprocessor
3 socket
NOTICE: You must position the microprocessor correctly in the socket to avoid permanent damage to the microprocessor and the computer.