Lenovo 4229 Computer Hardware User Manual


 
Figure 45. Opening the microprocessor retainer
8. Touch only the edges of the microprocessor and carefully lift it straight up and out of the microprocessor
socket. Place the old microprocessor on a static-protective surface.
Notes:
Do not touch the gold contacts on the bottom of the microprocessor.
Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be
kept as clean as possible.
Figure 46. Removing the microprocessor
9. Touch the static-protective package that contains the new microprocessor to any unpainted surface on
the outside of the computer. Then, remove the new microprocessor from the package.
Chapter 10. Replacing FRUs 97