Lenovo ThinkCentre M715q User Manual And Hardware Maintenance Manual page 58

13
Replace the system board.
Note
Carefully handle the system board by its edges.
14
Route all the cables that you disconnected from the failing system board, and then reconnect
the cables to the new system board. For details, see
15
Reinstall the removed parts and computer cover, and then reconnect the cables. For details,
see Completing the parts replacement.
58
System board.