Lenovo ThinkStation E30 Hardware Maintenance Manual - Page 94

Replacing the microprocessor, Remove the computer cover. See Removing the computer cover

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b. Partially tighten screw 3 , then fully tighten screw 4 , and then fully tighten screw 3 . 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 71. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to "Completing the parts replacement" on page 102. Replacing the microprocessor Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkStation User Guide. To obtain a copy of the ThinkStation User Guide, go to: http://www.lenovo.com/ThinkStationUserGuides. 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. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See "Removing the computer cover" on page 72. 3. Lay the computer on its side for easier access to the system board. 4. Remove the heat sink and fan assembly. See "Replacing the heat sink and fan assembly" on page 86. 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. 88 ThinkStation Hardware Maintenance Manual

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b. Partially tighten screw
3
, then fully tighten screw
4
, and then fully tighten screw
3
.
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 71.
What to do next:
•
To work with another piece of hardware, go to the appropriate section.
•
To complete the installation or replacement, go to “Completing the parts replacement” on page 102.
Replacing the microprocessor
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the
ThinkStation User Guide
. To obtain a copy of the ThinkStation User Guide, go to:
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. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 72.
3. Lay the computer on its side for easier access to the system board.
4. Remove the heat sink and fan assembly. See “Replacing the heat sink and fan assembly” on page 86.
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.
88
ThinkStation Hardware Maintenance Manual