Lenovo ThinkCentre M58e Hardware Maintenance Manual - Page 113
The heat sink and microprocessor might be very hot. Turn off the computer and wait
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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) 107