Yellow tint appearing and disappearing on nTB MBP screen

Discussion in 'MacBook Pro' started by KayM8, Feb 10, 2017.

  1. KayM8 macrumors newbie

    Dec 28, 2016
    Noticed this first earlier today when I was watching a fullscreen 1080p video on YouTube in Chrome. A yellowish tint is forming randomly on my screen, and I can't figure out what's causing it. Processes in Activity Monitor seemed normal, and I haven't installed anything recently for this to show up on my screen. I have f.lux but don't have it open, and have done a restart as well. When it first appeared, going to the login window made the tint visibly stop, but it started again a while after I went back to my account. Restarting while tint is visible makes it stop (its visible during the black shutdown screen but not there from the bootup screen onwards).. is there a way to get a list of processes that are showing something onscreen?

    I made a video showing this: . The screen is showing the black screen option in When I increased the brightness to full, you can notice a second after the brightness goes to max, the screen develops a yellow tint. Then after I turn off brightness and increase it to max again you can see the tint fade off "step by step" - like its going down notch by notch, kinda like the way the brightness goes down when you adjust it. Replicating what I did in the video doesn't replicate the tint again, but I can notice the tint at random times. I took a few screenshots while the tint was on:, but they don't show the yellow tint.. I noticed later that when I increased the brightness to max the tint formed again. When I decreased the brightness by 1 notch, the tint went off..

    I'm on Sierra 10.12.3..
  2. Mindinversion macrumors 6502


    Oct 9, 2008
    Could be an issue with the backlight.... or it could be some weird incompatibility with F.lux [speaking of, doesn't F.lux basically emulate night mode in OS X?]

    As a first step I'd unintsall F.lux, do a full shutdown and restart, and see if issue remains. second step would be Reset Pram/SMC. Last step would be to full format reinstall OS X and see if problem persists. If a THATl doesn't fix it, it's Apple Store time.
  3. Altis macrumors 68030

    Sep 10, 2013
    Flux has been acting up for me lately, too. Even when I exit it, it can still cause problems.

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