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Answer to: home button separated from LCDHi Olivier, It sounds like the frame that secures the LCD display to the phone has become unglued. Unfortunately you may need a new LCD screen on top of your battery problems. When trying to access the battery make sure you are using a suction cup or the iOpener to lift the screen, then use an opening tool to slide under the frame and lift it with the LCD in one piece.
Answer to: Touchscreen/Digitizer connector defect, internal issueHi Julian, In regards to the replacement screen, is everything assembled correctly? Did you buy a display assembly or did you just get the LCD in which case you must transfer the front facing camera and the metal back piece of the digitizer? Did you keep track of which screws go where when replacing the aluminum cover that goes over the display cables? If you mix those up there is a possibility for a screw to go through the logic board and cause issues. Before removing more components I would check the following: The replacement LCD is fully assembled, check the ribbon cables for wear or tears. Check the screws to make sure they have been ordered correctly. Once the screen is replaced, make sure to do a full restart (Lock button and home button held down).
Answer to: MacBook Pro 2011 to 2012 logic board swap?I can confirm that it is possible to swap these in the 15" model. The only thing that wasn't perfect is the video cable bar that folds down and holds it, it isn't long enough to fold down, but it stays in place just fine. This was on a non Retina display model.
Answer to: Logic Board Upgrade, MBP 13" mid-2010 to MBP 13" mid-2012I can confirm that it is replaceable on the 15" model. The only thing that isn't perfect is the video cable bar that holds it isn't long enough to fold down over the board connection like normal.
Answer to: Is it possible to swap logic boards between 2011 and 2012 MBP?I believe this user's answer may help you in your quest. "Nuka Kola @nuka_kola Rep: 77 6 2 1 POSTED: 09/25/2016 OPTIONS I see a lot of mixed or unclear answers here from people who claim to know what they are saying. What gives me the right to say I know? Well, I just did it last week! I have an early 2011 model 15" MBP with a matte screen. I purchased a mid 2012 non-retina logic board (without the heat sink → reused my original one) and installed it successfully, upgrading my USB ports, Thunderbolt port, CPU, and GPU. It's like having a new computer! The display cable was a tight fit, but working carefully and with a gentle yet firm hand, I was able to fit it into the logic board port. The only other difference is that the new boards do not have the small heat sinks over the USB controller and one other controller (not sure what they are). I've read that one guy butchered his old board and superglued the screw mounts onto the new board. Another person reported superglueing the heat sink directly to the contr...