10. Connect the heat sink and fan assembly cable to the microprocessor fan connector on the system
board. See “Locating parts on the system board” on page 77.
11. To complete the installation or replacement, go to “Completing the parts replacement” on page 113.
Replacing the microprocessor
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre User Guide
. To obtain a copy of the
ThinkCentre User Guide
, go to:
http://www.lenovo.com/ThinkCentreUserGuides
This section provides instructions on how to replace the microprocessor.
CAUTION:
The heat sink and microprocessor 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 microprocessor, 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. Remove the computer cover. See “Removing the computer cover” on page 79.
3. Lay the computer on its side for easier access to the system board.
4. Locate the system board and disconnect all cables connected to the system board. See “Locating
parts on the system board” on page 77.
5. Remove the heat sink and fan assembly. See “Replacing the heat sink and fan assembly” on page 95.
Note:
Place the heat sink and fan assembly on its side so that the thermal grease on the bottom of it
does not get in contact with anything.
Chapter 8
.
Replacing FRUs (Machine Types: 4468, 4473, 4476, 4479, 4495, 4497, 4499, 4504, 4513, 4517, 4524,
7021, 7032, 7034, 7049, 7052, 7053, 7073, 7136, and 7178.)
97
Summary of Contents for 4513
Page 2: ......
Page 8: ...vi ThinkCentre Hardware Maintenance Manual ...
Page 17: ...Chapter 2 Safety information 9 ...
Page 18: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 10 ThinkCentre Hardware Maintenance Manual ...
Page 22: ...14 ThinkCentre Hardware Maintenance Manual ...
Page 23: ...1 2 Chapter 2 Safety information 15 ...
Page 24: ...1 2 16 ThinkCentre Hardware Maintenance Manual ...
Page 30: ...22 ThinkCentre Hardware Maintenance Manual ...
Page 31: ...1 2 Chapter 2 Safety information 23 ...
Page 35: ...Chapter 2 Safety information 27 ...
Page 36: ...1 2 28 ThinkCentre Hardware Maintenance Manual ...
Page 40: ...32 ThinkCentre Hardware Maintenance Manual ...
Page 56: ...48 ThinkCentre Hardware Maintenance Manual ...
Page 80: ...72 ThinkCentre Hardware Maintenance Manual ...
Page 170: ...162 ThinkCentre Hardware Maintenance Manual ...
Page 486: ...478 ThinkCentre Hardware Maintenance Manual ...
Page 491: ......
Page 492: ...Part Number 0A23284 Printed in USA 1P P N 0A23284 0A23284 ...