Lenovo M58e Hardware Maintenance Manual - Page 98

Replacing the heat sink and fan assembly 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. 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 was included with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the heat sink and fan assembly. To replace the heat sink and fan assembly: 1. Remove the computer cover. See "Removing the computer cover" on page 85. 2. Lay the computer on its side for easier access to the system board. 3. Locate the heat sink and fan assembly. See "System board connectors" on page 84. 4. Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system board. 92 Hardware Maintenance Manual