Lenovo ThinkCentre 3026 Maintenance Instructions Manual page 99

Figure 12. Removing the microprocessor
7. Make sure that the small handle is in the raised position and the
8. Hold the new microprocessor and align the notches on it with the alignment
9. Lower the new microprocessor straight down into the microprocessor socket
10. Close the microprocessor retainer and lock it into position with the small
11. Reinstall the heat sink and fan assembly. See "Replacing the heat sink and fan
12. Reinstall any other parts or reconnect any other cables you removed.
13. Go to "Completing the parts replacement" on page 115.
Chapter 8. Replacing FRUs (Machine Types: 3029, 3054, 3139, 3219, 3246, 3282, 3349, 3421, 3544, 3652, 3769, 3934, 4992, 5206, 5267,
Notes:
a. Your microprocessor and socket might look different from the one
illustrated.
b. Note the orientation of the microprocessor in the socket. You can either
look for the small triangle 1 on one corner of the microprocessor or note
the orientation of the notches 2 on the microprocessor. This is important
when installing the new microprocessor on the system board.
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.
microprocessor retainer is fully open.
keys in the microprocessor socket, or align the small triangle on one corner of
the new microprocessor with the corresponding beveled corner of the
microprocessor socket.
on the system board.
handle to secure the new microprocessor in the socket.
assembly" on page 90.
5325, 5384, 5450, 5474, 5498, 5554, 5852, 6232, and 6590.)
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