Lenovo 70AL Maintenance Manual page 159

11. For the new system board, gently press down the small handle on the microprocessor socket and
then pull the handle slightly outward to release it from the secured position. Then, pivot the handle
upward until the handle and the microprocessor retainer are in the fully open position. Remove the
microprocessor socket cover from the microprocessor socket.
Note: Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must
be kept as clean as possible.
Figure 99. Removing the microprocessor socket cover
12. Remove the microprocessor from the old system board and install it on the new system board. See
"Replacing the microprocessor" on page 137.
13. The old system board must be returned with a microprocessor socket cover to protect the pins on the
microprocessor socket during shipping and handling. Use the microprocessor socket cover removed
from the new system board.
.
Chapter 6 Installing, removing, or replacing hardware
147