Replacing The Heat Sink And Fan Assembly - Lenovo ThinkCentre 7061 Hardware Installation And Replacement Manual

10. Go to Chapter 4, "Completing the parts replacement," on page 45.

Replacing the heat sink and fan assembly

This section provides instructions on how to replace the heat sink and fan
assembly.
1. Remove the computer cover. See "Removing the cover" on page 11.
2. Lay the computer on its side.
3. Locate the heat sink. See "Identifying parts on the system board" on page 9.
4. Disconnect the heat sink and the fan assembly cable from the microprocessor
5. Install the new power supply into the chassis so that the screw holes in the
power supply align with those in the chassis.
6. Install the four screws to secure the power supply.
Note: Use only the screws provided by Lenovo.
7. Reconnect the power supply connectors to the system board.
8. Reconnect a power supply connector to each of the drives.
9. If your computer has a voltage-selection switch, ensure that you set the
voltage-selection switch to match the voltage available at your electrical outlet.
If necessary, use a ballpoint pen to slide the switch to a different position.
v If the voltage supply range in your local country or region is 100–127 V ac,
set the switch to 115 V.
v If the voltage supply range is in your local country or region is 200–240 V
ac, set the switch to 230 V.
Attention
Do not open your computer or attempt any repair before reading the "Important safety
information" in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at
http://www.lenovo.com/support.
fan connector on the system board.
Chapter 3. Installing options and replacing hardware
23