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Please help me with a rare green screen problem!

Hi! The screen of the MacBook pro 15 Retina 2014 turns green evenly every time after 5-10 hours of downtime. This is mostly visible at the edges, and when you look at the screen from an angle. After 10-15 minutes, the picture becomes normal. Are there any suggestions what the problem might be, and will this problem get worse? Now it doesn't bother me much, I just have to "warm up" the screen in the morning before work. Everything works well with the external display, the problem is clearly not in the video card. Maybe some kind of potentiometer is warming up for a long time? Maybe it's the anti-glare coating? Please help me, I can't find the answer anywhere.

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Update (04/09/23)

I'm a little afraid to speak ahead of time, but here's an interesting thing I noticed. As a result, during the last week, I no longer had a green tint, and the screen works absolutely fine. A possible solution - I endured this problem for several months, it didn't get any worse or better. And a week ago, in a fit of nostalgia, I wanted to play GTA 4. I installed it via Bootcamp, set the settings to the maximum, not counting the resolution, and played for about 15 hours.

And that's it, after that, the green shade seemed to have disappeared forever. I hope so.

I don't know what the reason is, maybe somewhere something has warmed up, maybe possible moisture has evaporated, etc. But it obviously helped that the mac was under load, the coolers were noisy, the temperature was high.

I hope this will help someone else with a similar problem.

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I'm a little afraid to speak ahead of time, but here's an interesting thing I noticed. As a result, during the last week, I no longer had a green tint, and the screen works absolutely fine. A possible solution - I endured this problem for several months, it didn't get any worse or better. And a week ago, in a fit of nostalgia, I wanted to play GTA 4. I installed it via Bootcamp, set the settings to the maximum, not counting the resolution, and played for about 15 hours.

And that's it, after that, the green shade seemed to have disappeared forever. I hope so.

I don't know what the reason is, maybe somewhere something has warmed up, maybe possible moisture has evaporated, etc. But it obviously helped that the mac was under load, the coolers were noisy, the temperature was high.

I hope this will help someone else with a similar problem.

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You will not believe it, but it turned out to be excess thermal paste that got under the black sticker around the processor and video card. I accidentally stumbled upon one of them, that due to excess thermal paste, HDMI can not work well. I decided to check, it looks like on the Mac under the sticker there was a thick layer of terpop paste mixed with glue and dust. I cleaned everything and the problem went away.

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Can you please describe more on the excess thermal paster under the sticker?

I have the 13 inch pro from 2015 and it's having the same issue.

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What does an external display show you? It’s the image on it clean? What does an external display show you? It’s the image on it clean?

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Hi Dan! I connected the mac to an external display via hdm at a time when the MacBook display itself was green. On the external display, the image was good, with perfect colors. I also ran complex programs and switched video cards. Everything was fine. I've read a lot about how the anti-glare coating gave such a strong selenium shade after wiping the screen with a rag. I didn't wipe the screen and this problem appears every day, after several hours of downtime. Maybe it's really worth erasing the anti-glare coating?

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@jeehunzo - I’m a bit confused. This system doesn’t have replaceable video cards.

In any case I wouldn’t alter the displays coatings. Given the fact the problem fades this is more likely something within the settings or within the display it’s self. I’ve seen corrosion create some odd effects like this.

Let’s try resetting the NVRAM following this guide Reset NVRAM on your Mac

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@danj I have macbook pro 14 mid 2014, it has two graphics cards, intel iris pro and nvidia geforce gt 750m. I did a NVRAM reset, but that didn't solve the problem. I've generally done a reset a few times before. I didn’t seem to spill anything on the poppy, the only thing was that I cleaned the mark from the old sticker near the touchpad with alcohol, so I had thoughts that this was somehow connected with the anti-glare coating. But I cleaned the sticker mark more than a week ago, and alcohol did not get on the screen.

Do you think it could be due to corrosion? On the motherboard, on the matrix cable or on the matrix itself?

Yesterday, the poppy lay at night for 8 hours, and in the morning there was no greenery. Today he lay for 12 hours, and the screen turned very green in the morning. Sometimes, after an hour of inactivity, when turned on for a couple of minutes, a green tint appears around the edges of the screen.

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OK, I think we got lost here, technically you have two video services not physical cards. You have the discrete GPU and the intergraded Intel Iris graphics engine.

At this point I’m more inclined to believe the display is bad or the displays connector or logic is corroded up messing up the video feed. During the early part of COVID we saw a lot of displays damaged from excessive cleaning where the cleaner would drip below the bottom edge wetting the displays T-CON board which is mounted at the bottom edge. Here it’s likely the outside case was being cleaned and the cleaner was entering along the bottom edge of the display.

You will need to take the display fully off to gain access (very narrow gap) to in space and if possible clean the cables connection and/or board area. Otherwise you’ll need a new display. Here’s the guide you’ll need to follow MacBook Pro 15" Retina Display Mid 2014 Display Assembly Replacement

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@danj Thanks a lot for your answer! For now, I will not risk disassembling the screen, I will look at the situation. This problem can be tolerated, perhaps the situation will not worsen. I also noticed that if, during the appearance of a green tint, you look at the screen at a strong angle from below or above, the color rendition looks normal. I don’t understand anything anymore, a very strange problem that arose suddenly.

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