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Great video on loose screens.
I followed it and it made a big difference for a long while, but over time it became loose again, so I redid it and i works for while again but now I would say the screw/thread situation means it's never going to be as rigid like it was when I bought it (back in 2012). MBP 13".
Is there something else I can do? Maybe add some kind of engineers blue (? someone mentioned this to me), or some other sticky substance to help hold those connections tighter for longer?
Thanks for your site and videos!