Lenovo 7269D7U - Topseller M58e Sff E7500 2.93G 3Gb 320Gb Dvdrw W7p/Xpp, Hardware Maintenance Manual, Page: 113 / 536

Replacing the microprocessor
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide , go to:http://www.lenovo.com/support
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait
three to five minutes to let the computer cool before opening the computer cover.
This section provides instructions on how to replace the microprocessor.
To replace the microprocessor:
1. Open the computer cover. See “Opening the cover” on page 99.
2. Remove any parts or cables that may prevent your access to the system board.
3. Remove the heat sink and fan assembly. See “Replacing the heat sink and fan assembly” on page 74.
4. Place the heat sink and fan assembly 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 .
6. Lift the microprocessor straight up and out of the socket.
Chapter 9
.
Replacing FRUs (Types 7259, 7267, 7269, 7279, 7290, 7297, 7303, 7306, 7408, 7487, 7506 and 7514)
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