b.Install the microprocessor by inserting it straight down into the socket of the new system board.
8.Pivot the retaining plate 1 closed, and lock the lever 3 to secure the microprocessor2 in place. Be sure to engage the retainer tab when locking the microprocessor.
9.Do one of the following:
v If you have replaced the microprocessor, place the new heat sink on the microprocessor, and lower the lever into the locked position.
Note
Do not use the old heat sink with the a new microprocessor. If you use the old heat sink with the new microprocessor, your computer might overheat causing intermittent problems.
vIf you have replaced the system board:
a.A black cover will cover the retaining plate protecting the contacts on the new system board. Remove this black cover after you have locked the microprocessor in place. Place this cover on the retaining plate of the old system board.
b.Reinstall the original heat sink on the microprocessor, and lower the lever into the locked position. Return to the system board procedure.
10.Close the cover and reconnect the external cables . Go to “Completing the installation” on page 19.