Lenovo ThinkCentre Edge 62 Hardware Maintenance Manual - Page 109

Replacing the power supply

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5. Remove the screw that secures the system board shield, and then slide the system board shield out of the computer. Figure 24. Removing the system board shield 6. To reinstall the system board shield, slide the system board shield into the system board shield slot so that the screw hole aligns with that in the computer. 7. Reinstall the screw to secure the system board shield to the computer. 8. Go to "Completing the parts replacement" on page 125. Replacing the power supply Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Edge Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Edge Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the power supply. To replace the power supply, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. Remove the computer cover. See "Removing the computer cover" on page 95. 4. Remove the VESA mount bracket. See "Removing the VESA mount bracket" on page 99. 5. Locate the power supply. See "FRU locations" on page 86. 6. Remove the system board shield. See "Removing and reinstalling the system board shield" on page 102. 7. Disconnect the power supply cables from the system board. See "System board parts and connectors" on page 88. 8. Remove the rear I/O assembly, and then remove the power cord connector from the power cord connector bracket. See "Replacing the rear I/O assembly" on page 100. Remove the power supply out of the computer. Chapter 8. Replacing FRUs 103

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5. Remove the screw that secures the system board shield, and then slide the system board shield out
of the computer.
Figure 24. Removing the system board shield
6. To reinstall the system board shield, slide the system board shield into the system board shield slot so
that the screw hole aligns with that in the computer.
7. Reinstall the screw to secure the system board shield to the computer.
8. Go to “Completing the parts replacement” on page 125.
Replacing the power supply
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the
ThinkCentre Edge Safety and Warranty Guide
that came with your computer. To obtain a
copy of the
ThinkCentre Edge Safety and Warranty Guide
, go to:
This section provides instructions on how to replace the power supply.
To replace the power supply, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and
gently lay it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See “Removing the computer cover” on page 95.
4. Remove the VESA mount bracket. See “Removing the VESA mount bracket” on page 99.
5. Locate the power supply. See “FRU locations” on page 86.
6. Remove the system board shield. See “Removing and reinstalling the system board shield” on page 102.
7. Disconnect the power supply cables from the system board. See “System board parts and connectors”
on page 88.
8. Remove the rear I/O assembly, and then remove the power cord connector from the power cord
connector bracket. See “Replacing the rear I/O assembly” on page 100. Remove the power supply
out of the computer.
Chapter 8
.
Replacing FRUs
103