Lenovo THINKCENTRE 0804 User Manual page 31

Lenovo computer user guide
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3. Remove the heat sink and fan assembly. See "Replacing the heat sink and fan assembly" on page 21.
Note: Place the heat sink and fan assembly on its side so that the thermal grease on the bottom of it
does not get in contact with anything.
4. Lift the small handle
Figure 21. Accessing the microprocessor
5. Lift the microprocessor straight up and out of the microprocessor socket, as shown in Figure 22
"Removing the microprocessor" on page 26.
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
on one corner of the microprocessor or note the orientation of the notches
This is important when installing the new microprocessor on the system board.
c. Touch only the edges 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.
3
and open the retainer
1
to access the microprocessor
Chapter 2
2
.
2
on the microprocessor.
.
Installing or replacing hardware
1
25

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