Lenovo ThinkCentre M90z (English) User Guide - Page 39

Make sure that the small handle is in the raised position and the microprocessor retainer is fully open.

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c. Touch only the sides of the microprocessor. Do not touch the gold contacts on the bottom. d. Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. Figure 24. Removing the microprocessor 7. Make sure that the small handle is in the raised position and the microprocessor retainer is fully open. Chapter 2. Installing or replacing hardware 31

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c.
Touch only the sides of the microprocessor. Do not touch the gold contacts on the bottom.
d. Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be
kept as clean as possible.
Figure 24. Removing the microprocessor
7. Make sure that the small handle is in the raised position and the microprocessor retainer is fully open.
Chapter 2
.
Installing or replacing hardware
31