Gateway E-4400 System Manual page 44

8
Align the new processor with the processor slot (note that the processor
slot is keyed so the processor can only be installed one way) and press
firmly to install it.
9
Close the case (see "Closing the case" on page 19.)
10
Reconnect the power cord and all other cords you removed, then turn
on the system.
Replacing the processor
37