The
heat sink might be very hot. Before you open the computer cover, turn
off the computer and wait several minutes until the computer is cool.Remove the computer stand. See Replacing the computer stand.
Remove the computer cover. See Removing the computer cover.
Remove the side I/O bezel. See Replacing the side I/O bezel.
Remove the system board shield. See Replacing the system board shield.
Remove the heat sink. See Replacing the heat sink.
Record the cable routing and cable connections, and then disconnect all cables from the system board. See System board.
Replace the microprocessor.
Your microprocessor and socket might look different from the one illustrated.
Touch only the edges of the microprocessor. Do not touch the gold contacts on the bottom.
Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible.






Route all the cables that you disconnected from the system board, and then reconnect the cables to the system board.
Reinstall the removed parts. To complete the replacement, see Completing the parts replacement.