Lenovo ThinkCentre Hardware Maintenance Manual page 119
Machine types: 3026, 3029, 3039, 3054, 3137, 3139, 3149, 3219, 3245, 3246, 3245, 3282, 3319, 3349, 3394, 3421, 3491, 3544, 3627, 3652, 3699, 3769, 3878, 3934, 4972, 4992, 5132, 5206, 5261, 5267, 5297, 5325, 5384, 5391, 5450, 5472, 5474, 5485, 5498, 5536,
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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 55. Removing the microprocessor
9. Make sure that the small handle is in the raised position and the microprocessor retainer is fully open.
10. Remove the protective cover
11. Hold the new microprocessor and align the notches on it with the tabs in the microprocessor socket, or
align the small triangle on one corner with the corresponding beveled corner of the microprocessor
socket.
12. Lower the new microprocessor straight down into the microprocessor socket on the system board.
13. Close the microprocessor retainer and lock it into position with the small handle to secure the new
microprocessor in the socket.
14. Reinstall the heat sink and fan assembly. See "Replacing the heat sink" on page 108.
.
Chapter 9
Replacing FRUs (Machine types: 3026, 3039, 3137, 3149, 3245, 3269, 3319, 3394, 3491, 3627, 3699, 3878,
2
that protects the gold contacts on the new microprocessor
4972, 5132, 5261, 5297, 5391, 5472, 5485, 5536, 5548, 5567, 5864, and 6213.)
1
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