Lenovo IdeaCentre Q200 Hardware Replacement Manual page 23

8. Lift the system board out of the chassis carefully.
Note: You might have to tilt the front end of the system board between
the diskette drive and the fan assembly to remove it completely from the
chassis.
9. Place the failing system board next to the new system board on a clean, flat
surface.
10. Remove all memory modules from the failing system board and install them in
the same connectors on the new system board. Refer to the "Identifying parts
on the system board".
11. Disconnect the heat sink and fan assembly cable from the system board. See
the system board illustration for your machine type at "Identifying parts on the
system board".
12. Remove the four screws
system board.
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Hardware Replacement Guide
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securing the heat sink and fan assembly to the
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