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苹果2016年对于专业用户的笔记本更新。具有15英寸，2880*1800的Retina显示器, 四核心 Intel Core i7处理器, 256 / 512 GB /1 TB / 2TB 存储空间, 16 GB 内存, 和一个带有Touch Bar的键盘。2016年11月发布，型号为 A1707。

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My screen is flickering and glitching, anyone encountered this?

Hi!

Anyone encountered this glitching/flickering screen on their 15” MBP 2016 w/ Touchbar (see video)?

It seems, the problem appears when I’ve been using my laptop for a very long time (like almost the whole day) and only when I use softwares like Photoshop, Final Cut Pro, or when I’m watching YouTube or streaming videos. But when I close the lid or restart the glitching disappears, before it reappears again after a few minutes. It gets to “rest” overnight. Then same problem when I start using the laptop again the whole day.

Normal computer use, typing and browsing doesn’t seem to make the glitching appear.

I don’t know what this is and it only appears on some occasions. I brought it to an Apple service center and they advice me to observe it for now because they’re not sure if they could reproduce the problem.

I just can’t figure out what’s causing this!

Update (07/25/2020)

GOOD NEWS GUYS! I got my MacBook Pro back from the shop! The problem:

A screen manufacturing defect from LG (the company who produces the screen for Apple)! The technician said the problem was the screen’s board–I assumed it’s the TCON chip??? What happens is when the computer heats up the defected board starts to show this problem. That’s why some Macs don’t suffer from this issue.

Good news is this repair shop I went to was able to fix this defective chip. I DID NOT HAVE TO REPLACE THE WHOLE SCREEN! They were able to fix the board for a cheaper cost of a screen replacement! :-) They also reinforced my flex cable. They said this may prevent flex gate.

The bad news is, they said that this fix have a 50-50 percent chance of success. They have units that were fixed and there are some that returned to their shop for a screen replacement. So we’ll see how this fix holds up.

And by the way, I bought these. So I could have some clearance at the bottom of my laptop. Hope this helps with heat dissipation and makes this fix successful.

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Finally, mystery solved my friends! :-)

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Same exact issue. And ofc it happens during this pandemic when im home all day..

https://youtu.be/9BtJeJeeJh0

由完成的

Good news, pal. Where did you go and how much did you pay for the fix?

由完成的

It was a local repair shop that specializes on Apple products. Cost around $150 (so I took the 50-50 chance of success). I think that's better than paying $400-600 for a screen replacement.

I also now use SMC fan control. I blast the fans at maximum whenever I work.

由完成的

Ooops. Looks like I spoke too soon. The solution didn't hold up. So I would have to replace the screen. Unfortunately. :-(

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@ponglizardo Bro, no way. So sad to read this.

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Your system has two graphics engines! The intergraded within the CPU (Intel HD Graphics 530) and the dedicated GPU (AMD Radeon Pro 450, 455, or 460). When you are using Photoshop or other heavy graphics app your system runs the dedicated GPU (unless you tell it within the energy setting). When you just start up your system it will use the intergraded graphics until the better graphics is needed.

So why is this important? Basically, its a matter of heat! While the performance of the intergraded graphics is not as good as the dedicated GPU which runs hotter, the amount of heat that can buildup within your system can cook things! All of Apples newer system have a an issue with the T-CON board which instead of being placed in a location which tends to be cooler they placed it very close to the CPU/GPU’s heat sink system so if the fans fail to cool the system the T-Con can be damaged by excessive heat!

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So what to do? First is make sure the system is clean internally of dust (case, fans and logic board). The next is to install a good thermal management program like TG Pro which I strongly recommend! With it you can see what the sensors are sensing as well as push the fans harder when you have set a set point or when you need to make sure your system is at its best cooling (turbo). You also need to make sure the vents are not blocked. Don’t use your system on a bed or other cloth surface.

I would also make sure the drive has enough free space. SSD’s while fast also have housecleaning tasks which can cause the CPU and drive heat up when there is not enough free space. Ideally, You want to have as a minim 1/4 of the drive empty (more if 512 or smaller - 1/3) and you’ll want to reduce the amount of apps open at the same time. As an example Chrome is a memory hog! And when memory is lean will leverage Virtual RAM which is space on the drive to emulate RAM. Photoshop and other graphics apps also leverage scratch space which again uses the drive. The more free space you have the better! As an example I have a 2 TB SSD in my 2013 Mac Pro which I use photoshop and the images I work on are quite large, I need about half of the drive free fo me to render and I’m not running anything else on the system (dedicated to image work)

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I tried the cooling the laptop when the glitch appeared. It seems like it's not the temperature. It woud reach 51˚C sometimes the glitch would appear, sometimes not.

When it appeared, I tried cooling the laptop down to around 48˚C with a fan and jacking up the internal fan to 4000k+ rpms. The glitch is still not there.

I quit Photoshop and the glitch stops.

由完成的

So after months of looking for a fix, I finally went to Apple. The problem is apparently called “distorted screen display.” Apple didn’t tell me what caused the problem or what exactly is the problem. The technician said it might be a manufacturing defect. Unfortunately, the only way to fix it is with a screen replacement. :-(

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Sir, I have this exact same issue. I have been searching for someone with same problem for months, I even got support for this and they told me this was related to a failing screen, but I didn’t take that info as certain. I had my hypothesis about the source of the flickering and concluded it was heat as Dan says. I’ll try purchasing TG Pro as he recommends and see if it works. I hope your computer got a solution or maybe a replacement, thank you really much for sharing this issue so I can try to solve mine as well. Cheers.

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I have SMC fan control and I monitored the temps. It's not heat. The flickering happens regardless of the temp. In addition, if it was the temp closing the lid will not (temporarily) stop the flickering.

I also called customer service. They told me it's a hardware issue. Though they didn't tell me which component is faulty.

Let me know if you find out something. I'll also let you know if I resolve the issue.

由完成的

@ponglizardo - Once the T-CON board is damaged its toast! So sure your testing will show exactly this reaction. Thats what I saw too! So closing the lid and re-opening won't change the damage that's already happened.

The best test would be to plug in an external monitor is the image clean on it? If it is you've removed the main logic boards CPU graphics and then running a heaver graphics app will remove the dedicated GPU logic. That leaves the internal display.

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@Dan hmmm interesting. I'll try that.

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@danj I already tried this and got my computer connected to an external monitor. Connected to the monitor, the flickering disappears. I also bought TG Pro and this process didn't solve anything. It's true I can control fan speed and all that stuff, but my screen still flicks when the computer performs heavy tasks. This logic board I currently have was replaced completely at the end of last year and I got this issue again just a month later. I took the computer with some videos proving I had an issue again and they told me this was screen related. I didn't go to an Apple Store itself, I went to an Apple Authorized Service Provider because there's no Apple Store here where I live. Let me know if you get any solution for this, I'd like to know if this issue is a logic board problem or a screen problem, thanks.

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@Alan Naïve - Sadly, if an external screen shows a clean image then it's the internal display that needs to be replaced. Once the T-CON has been overheated so the logic is damaged there is no way to prevent the damage. It's always a gamble if the damage is permanent.

Once you get a new display pump the fans up when you are running a heavy process using TG Pro to turbo it!

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@danj Sir, same problem here. The above comments describe exactly my situation. I’m a developer. It starts to flicker after long use and compile my application ( which is a very heavy task). just one question that if I keep using the machine does it get worse? I will try the TG pro to bump the fan speed up

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Once the T-CON has become cooked the damage has been done. The amount of distortion will increase as the parts continue to degrade if you don't manage the heat as aggressively as possible!

● Keep the vents free from clogging: no bed use or on the floor rug

● Keep the fans & heatsink fins clean: Dust buildup is a killer

● Make sure you have lots of free space on your drive: 1/4 of the drive min, smaller drives 1/3

● Ramp up the fans before you do any heavy processing! Use TG Pro or other temp monitoring app.

● Try to limit the number of apps running and open tabs.

To be clear Apple messed up and left you holding the bag ;-{

Intel's CPU's needed more cooling than this design just can't deliver and the placement of the T-CON was just Dumb! If Apple had left it in the display where it was in the older models this would not have been an issue. While Apple did improve the cooling in the 16" and the newer 13" it still fell short of what was needed if you are a heavy user (video production).

Apple moving to their own silicon appears to have improved the heat issue! But we just don't know how long it will take for Apple to be tripped up by the same issue Intel hit in future models. There is a cost when you increase performance and only using smaller Silicon Nodes 10 . 7 > 5 > 3nm? has allowed better thermals. But there is a limit here! 3nm is likely the end!

Sadly, there is no magic fix here. I have try everything including an old Mayan chant ;-{

The only way to fix this is to replace the display and pump the fans up to prevent it from cooking again.

由完成的

@cthe a third party repair shop told me this is caused by a faulty LG screen Apple used in the machine.

I tried bumping up the fan and using an external USB fan, doesn't help. But the problem doesn't get worse with time. It's annoying so I just got it fixed. Never had the problem again.

By the way, don't send it to a 3rd party. If your 3rd party repair does something to the machine that Apple determines could've caused the problem, they will refuse to repair the machine. In addition, those 3rd party screens from China are really really bad.

由完成的

Hi guys, just a little update. So sad my MacBook is not under warranty anymore and they said that it will cost ~650$ to replace the screen completely and it's the only way. Of course, I won't do that 650 is half of the device already, it still works fine if i don't do the heavy tasks. Got a new 16" macbook from my company, installed Fans control right away, hope it won't happen to me again

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To anyone reading this,

I recently discovered that there's something wrong with my MacBook, and I stumbled upon this thread a bit late. I had experienced an issue where the screen would turn off when I opened it at a 90-degree angle, and I had previously gotten the cable fixed due to the flexgate issue that many of you have mentioned. However, 5 months later, a screen flickering problem appeared that wasn't there before.

3rd party repair technician told me that this could either be an issue with needing to replace the screen or with needing to replace the board, and the cost for either option is still expensive.

it seems that those of you here have been trying for a year, but the conclusion is that the 2016 MacBook has many problems.

Thank you anyway. I was able to let go of the thought of needing to get it fixed. Even if I pay $600 to replace the screen, I may end up encountering the same issue again.

The comments were really entertaining. I have great respect for all the pure efforts made here.

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My machine has the same problem:

1. clean the heatsink

2. add some heatsink foam (blue)

3. remove the display cable bracket

After that, I feel good under 40 degrees, the screen also stops shaking

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