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display jumping

  1. panfil3

    What could cause the image on my MacBook to flicker/fluctuate?

    Macbook Pro 15 2017 (a1707). Sometimes, for some reason, the image on the display starts jumping. This happens randomly and I don't know what the trigger is really. The cases when this does not happen: Before logging in (at the stage where I have to enter the password) If I start in safe mode...