Post originale di: lemerise ,
From my experience there's little you can do to repair the issue but you can try to install a round shim (little rim lock) under the card on the upper left screw hole. That will jack a little the upper card side and make a better contact of the connector to the socket. It worked on 50% of the 1.33 12" models I worked on. I don't remember if it was a 1/8" or 1/4" shim so you'll have to try different scenarios. Also, make sure the the lower gray plastic retainer is tightly secure. Let me know if this solution works for you.