Lenovo 4228, 4223, 4229 manual Opening the microprocessor retainer

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