Lenovo ThinkCentre M900z 10F2 Hardware Maintenance Manual page 123

• Your microprocessor and socket might look different from the one illustrated.
• Touch only the edges of the microprocessor. Do not touch the gold contacts on the bottom.
• Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be
kept as clean as possible.
Figure 52. Removing the microprocessor
10. Ensure that the small handle is in the raised position and the microprocessor retainer is fully open.
11. Remove the protective cover that protects the gold contacts of the new microprocessor.
12. Note the orientation of the new microprocessor. Hold the new microprocessor by its edges and align
the notches 1 on it with the tabs
microprocessor straight down into the microprocessor socket.
Note: The small triangle
indicator. The new microprocessor is in the correct orientation when this indicator points to the beveled
4
corner of the microprocessor socket.
Figure 53. Installing the microprocessor
2 in the microprocessor socket. Then, carefully lower the new
3 on one corner of the new microprocessor is the microprocessor orientation
.
Chapter 9 Installing or replacing hardware
115