Lenovo ThinkCentre M58 Hardware Maintenance Manual - Page 85

on the microprocessor., on one corner of the microprocessor or note the orientation of the notches

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3. Locate the heat sink and remove it from the system board. See "Locating components" on page 69 and "Replacing the heat sink" on page 77. 4. Place the heat sink on its side so that the thermal grease does not come in contact with anything. 5. Lift the small handle 3 and open the retainer 1 to access the microprocessor 2 . Figure 15. Accessing the microprocessor 6. Lift the microprocessor straight up and out of the socket. 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. Chapter 8. Replacing FRUs 79

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3. Locate the heat sink and remove it from the system board. See “Locating components” on page
69 and “Replacing the heat sink” on page 77.
4. Place the heat sink on its side so that the thermal grease does not come in contact with anything.
5. Lift the small handle
3
and open the retainer
1
to access the microprocessor
2
.
Figure 15. Accessing the microprocessor
6. Lift the microprocessor straight up and out of the socket.
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.
Chapter 8
.
Replacing FRUs
79