flicker

  1. E

    Why Apple uses constant PWM on mbp 16 but not on MacBook Air 2020

    I have learned that MacBook Pro 16 is not pulse width modulation free and it flickers at 131000 hz always on every brightness. But MacBook Air 2020 starts flickering at %75 brightness level or below. For example imac pro starts flickering %50 brightness or below. So what is the reason for that...
  2. D

    MP 6,1 Mac Pro 6,1 - 12core /D700 flicker issue

    So I’ve posted about this before but I’m running out of patience. I’ve had my Mac Pro 6,1 trash can since release. Ironically in the first few weeks of owning it I had a fault., naturally 7£k is a big chunk of money, so with it being so new it was replaced outright by Apple. This in recent...
  3. L

    Flickering Screen MacBook Pro 15" mid 2015

    I have a serious screen problem on BOTH my two MacBook Pro 15" mid 2015 (A1398), 2,8 GHz, 1TB. The screens have started to flicker (see photo). It flickers (mostly in the lower half of screen), then stabalizes, flickers, on and on... This problem is not visible on external monitor, has been...
  4. E

    Pixel walk and yellow tint on 2019 MacBook Pro

    Do you feel a visual problem that little vibrations/flickering on some pixels of screen. Not always same area but somewhere of screen and like these pixels refresh rate different from others for miliseconds and return to normal (especially the peripheral visual zone, around the point your eyes...
  5. dreadlord

    Screen flicker when watching video fullscreen on Safari after updating to 10.14.6

    I have updated my Early 2015 13" MacBook Pro to macOS Mojave 10.14.6 last night. After updating my Mac, I see a flicker on my screen a white box appeared on the center of the screen for a second. Then, I watched videos or movies on YouTube/Netflix using Safari, there is a weird flickering on my...
  6. E

    Screen flickering update on 2019 MacBook Pros

    Dear friends, i will be very pleased and thankful if you share your experiments because i am in very hard and annoying conditions, after years of waiting finally i have bought brand new 2019, i9, 15” MacBook Pro with 560x with my 3 mines of my wage. I knew the screen flickering issue since 2016...
  7. E

    Macbook Pro 2018-2019 screen flickering

    Dear friends i will be very happy if you answer and vote about the issue :( i usually experience pixel flickering on my 2019, i9, amd 560x mbp. Flickering is like vibrating pixels on some areas and moving style (not always on a constant area) and it seems like that pixels have different hertz...
  8. E

    2017-2019 models screen flickering - macbook pro

    My question is for macbook pro 2017-2019 users: has anyone noticed little short time flickering periods on somewhere of screen? I mean when you are especially on white screen like browsers web pages or blank word document, pixels on somewhere of the screen vibrates like low refresh rate (hz) and...
  9. D

    MP 6,1 2013 MacPro 12core d700 flicker

    hey guys. Thought I’d reach out. I’ve had an ongoing issue for well, years with my Mac Pro. Having had almost every part replaced the Mac has a flicker on external display. Apple have now determined that the flicker on my screen is because it’s in a scaled resolution. However it doesn’t do it on...
  10. Sovon Halder

    Brightness Jumps - Is it Normal?

    I got this 4K 27" LG Monitor (27uk850) hooked up with macbook pro 2017 13" via USB-C. This happens on the external monitor.. When I'm playing a video or streaming a video, throughout the playback the brightness jumps up and down by very minimum amount (say 1%). It happens randomly & couldn't...
  11. S

    Safari screen glitch/flicker during full screen video

    Hi, Video here: https://streamable.com/jp4if I have this problem where whenever I am watching something in Safari in full screen, randomly a frame from an old video (watched several hours before) would start flickering every time I move the mouse. As you can see in the video, there is a random...
  12. A

    Mac Mini Screen Flickers Black

    Hi, I have a Mac Mini with 3.2GHz i7 chip, 32GB of RAM and 512GB SSD. I have it directly connected to a LG 4K Ultrafine. I notice it will flicker to a black screen for about 1 second randomly. Usually happens right after I start using the mini for a few minutes when powered on. Anyone else...
  13. J

    MacBook Pro 2018 Screen Flicker - RF Interference

    I have a MacBook Pro - Summer 2018 model with Radeon Pro 560X graphics. Overall this machine has been ok, but has already required service once for a trackpad issue (under Applecare at the Apple store). I noticed an unusual behavior a few weeks ago. When my iPhone Xs is placed near the screen...
  14. kaklingler

    Xs Max screen flicker

    anyone else experiencing a brightness flicker with their Xs Max? any solutions?
  15. anixon604

    Macbook Pro Retina 2012 Screen Flickering

    My screen is flickering in a predictable cycle. During the flicker, there is horizontal and vertical grey lines and the display seems to freeze. However, the computer does not freeze during this time... if you keep typing you will see it all when the flickering dissipates. Tried replacing the...
  16. M

    Macbook Pro 13' w/ TouchBar login flicker/black screen.

    I got my Mac about a month ago and I haven't had any issues with it. Recently I've been shutting down my Mac more frequently only to notice that upon login, my Mac will show the loading bar and once halfway, flicker and become a black screen with the loading bar in the center. I've contacted...
  17. N

    Blurry flickering lines after export Final Cut Pro X 10.3.2

    I am editing video from Canon 7D Mark II in Final Cut Pro X 10.3.2. (attached photo of the blurry lines/flickering lines coming while exported video is playing) Recently, some videos started having blurry/flickering white lines across the image after I export (Share > Master File > .mov)...
  18. keynode1

    Has Apple just improved the PWM frequency in latest macOS 10.12.4?

    My eyes now feel MUCH MUCH more comfortable with my MacBook pro retina, very surprised. The gamma is set to 1.3(from the default 2.2) to soften the black contrast and night shift is on, but I doubt that contribute much to the cause, I have a feeling that Apple finally increased the "Hz's" of...
  19. Accius

    External displays flicker on MBP Touchbar

    Hi! I'm having issues with my 2016 13" Macbook Pro (w/touchbar), and I'm hoping someone here might have ideas. Whenever I plug it into a display higher than 1080p, it flickers: (I only have three displays that work, and the one that works is 1080p, while the others are 2560x1440 and 4k). It...
  20. iTundra

    Late 2016 MBP/TB - Flickering w/ Firefox and other apps ?

    Bought this in early January. Occasionally get a lot of flickering or more recently the screen just goes black. Mostly with Firefox (latest 51.0.1) but occasionally with Lightroom and other apps though closing Firefox often seems to help. I know this was an issue a year or so ago and then there...