casagrande2407

Thanks a lot Brad for the very useful info. I had the same early 2011 logic board that suffered from the well known GPU problem. Based on your postings I decided to replace it with a mid 2012 2.6 GHz logic board. The whole operation took me about 2 hours. The most difficult part for me was to connect the LVDS cable, the connector on the mid 2012 board seems a bit smaller. The board that I received was just the board with all the chips on it but no provisions for cooling of the chips. It was quite easy to transfer the heat pipe of the old board, but nothing was foreseen to cool the Thunderbolt controller and the Intel BD82HM65 Platform Controller Hub (I looked that one up ;-), also no screw holes present. I took both the covers from the old board and 'glued' them on the cooling past on both controller chips. Of course this is a very imperfect temporary solution which is holding now for a week. I'm not sure what the final solution looks like for this. The screw holes mounted on the old board can only be...