Dell OptiPlex 330 User Manual page 200

NOTICE:
Bending the pins can permanently damage the processor.
2 Unpack the new processor, being careful not to bend any of the processor
pins.
3 If the release lever on the socket is not fully extended, move it to that
position.
NOTICE:
permanent damage to the processor and the computer when you turn on the
computer.
4 Align the pin-1 corner of the processor and socket.
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Mini Tower Computer Parts
Be careful not to bend any of the pins when you unpack the processor.
You must position the processor correctly in the socket to avoid
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