Replacing The System Board - Lenovo ThinkCentre 9120 Hardware Maintenance Manual
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Also See for ThinkCentre 9120:
- Replacement manual (62 pages) ,
- User manual (76 pages) ,
- Benutzerhandbuch (74 pages)
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Replacing the system board
Note: When replacing the system board you must also order a new retention
This procedure describes how to remove and replace the system board.
10. Rotate handle 1 to release the heat sink clamp and then disengage the
11. Lift the heat sink and fan assembly off the failing system board. Place the heat
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Hardware Maintenance Manual
Important
The heat sink and microprocessor might be very hot. Make sure these
components are cool enough to safely handle before continuing this
procedure.
module for the new system board. Make sure you have a retention module
for the new system board before continuing with this procedure.
1. Remove the cover. See "Removing the cover" on page 113.
2. Lift the fan duct off the heat sink fan.
3. Remove any adapter cards installed in the PCI connectors.
4. You might have to remove the drive bay assembly to access the system board.
See "Accessing system board components and drives" on page 115.
5. Take note of the location of all cable connections on the system board and
disconnect all cables. See "Locating parts on the system board" on page 115.
6. Remove the hard disk drive. See "Replacing the hard disk drive" on page 128.
7. Remove the screws that secure the system board to the chassis.
8. Lift the system board out of the chassis.
9. Remove the memory modules from the failing system board and install them
in the same location on the new system board.
clamp from the plastic retention bracket.
sink on its side so that the thermal grease does not come in contact with
anything.
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