5. Remove the screw that secures the system board shield, and then slide the system board shield out
of the computer.
Figure 22. 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 124.
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 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 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 94.
4. Remove the VESA mount bracket. See “Removing the VESA mount bracket” on page 98.
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 101.
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 99.
102
ThinkCentre Hardware Maintenance Manual
Содержание ThinkCentre M71z
Страница 2: ......
Страница 8: ...2 ThinkCentre Hardware Maintenance Manual ...
Страница 15: ...Chapter 2 Safety information 9 ...
Страница 16: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 1 2 PERIGO 10 ThinkCentre Hardware Maintenance Manual ...
Страница 19: ...Chapter 2 Safety information 13 ...
Страница 20: ...1 2 14 ThinkCentre Hardware Maintenance Manual ...
Страница 21: ...Chapter 2 Safety information 15 ...
Страница 27: ...Chapter 2 Safety information 21 ...
Страница 31: ...Chapter 2 Safety information 25 ...
Страница 38: ...32 ThinkCentre Hardware Maintenance Manual ...
Страница 62: ...56 ThinkCentre Hardware Maintenance Manual ...
Страница 132: ...126 ThinkCentre Hardware Maintenance Manual ...
Страница 316: ...310 ThinkCentre Hardware Maintenance Manual ...
Страница 320: ...314 ThinkCentre Hardware Maintenance Manual ...
Страница 325: ......
Страница 326: ...Part Number 0B03457 Printed in USA 1P P N 0B03457 0B03457 ...