Lenovo 8910ARU User Manual - Page 40

Replacing the heat sink and fan assembly

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8. Install the new power supply assembly into the chassis so that the screw holes in the new power supply assembly align with those in the chassis. 9. Install and tighten the four screws at the rear of the chassis to secure the power supply assembly. Note: Use only the screws provided by Lenovo. 10. Reconnect all the power supply assembly cables to the drives and the system board. 11. Secure the power supply assembly cables with the cable clips and ties in the chassis. 12. Go to "Completing the parts replacement" on page 36. 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 opening the computer cover. To replace the heat sink and fan assembly: 1. Open the computer cover. See "Opening the computer cover" on page 14. 2. Pivot the optical drive bay assembly upward to gain easy access to the heat sink and fan assembly. 3. Disconnect the heat sink and fan assembly cable from the system board. See "Locating parts on the system board" on page 11. 32 User Guide

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8.
Install the new power supply assembly into the chassis so that the screw holes
in the new power supply assembly align with those in the chassis.
9.
Install and tighten the four screws at the rear of the chassis to secure the
power supply assembly.
Note:
Use only the screws provided by Lenovo.
10.
Reconnect all the power supply assembly cables to the drives and the system
board.
11.
Secure the power supply assembly cables with the cable clips and ties in the
chassis.
12.
Go to “Completing the parts replacement” on page 36.
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:
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 opening the computer
cover.
To replace the heat sink and fan assembly:
1.
Open the computer cover. See “Opening the computer cover” on page 14.
2.
Pivot the optical drive bay assembly upward to gain easy access to the heat
sink and fan assembly.
3.
Disconnect the heat sink and fan assembly cable from the system board. See
“Locating parts on the system board” on page 11.
32
User Guide