Lenovo 7255, 3063, 3285, 6138, 7347, 7639, 8854, 9728, 8494 Replacing the heat sink and fan assembly

Models: 7188 6209 7635 7258 7373 9960 6239 7255 6138 8494 7639 9965 7347 3285 3063 3231 75717628 8854 7144 6302 7484 7628 9728

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6.Install the new power supply assembly into the chassis so that the screw holes in the power supply assembly align with those in the chassis.

7.Install the four screws to secure the power supply assembly. Note: Use only screws provided by Lenovo.

8.Reconnect the power supply assembly connectors to the system board.

9.Reconnect a power supply assembly connector to each of the drives.

10.Go to “Completing the parts replacement” on page 45.

Replacing the heat sink and fan assembly

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

This section provides instructions on how to replace the heat sink and fan assembly.

CAUTION:

The heat sink and fan assembly might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.

To replace the heat sink and fan assembly:

1.Remove the computer cover. See “Removing the computer cover” on page 14.

2.Lay the computer on its side for easier access to the system board.

3.Locate the heat sink and fan assembly. See “Locating parts on the system board” on page 11.

4.Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system board. See “Locating parts on the system board” on page 11.

28User Guide

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Lenovo 7255, 3063, 3285, 6138, 7347, 7639, 8854, 9728, 8494, 75717628, 7635, 7373, 7484, 7258 Replacing the heat sink and fan assembly

7188, 6209, 7635, 7258, 7373 specifications

Lenovo has established itself as a key player in the technology sector, known for its innovative solutions and robust product lineup. Among its myriad offerings, the Lenovo 9728, 7628, 7484, 6302, and 7144 stand out due to their remarkable features, advanced technologies, and distinct characteristics that cater to both professional and personal needs.

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