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This article is about 15 inch MacBook Pro retina model. I will discuss some known issues with this machine and will offer a permanent solution towards the end of this article. Apple introduced two 15 inch Macbook Pro Retina models, one in mid 2012 and the other one in early 2013. Users reported a black screen issues with both these models. The problem is, the machine goes to a black screen all of the sudden. The keyboard lights will be on, we can hear the fan noise but there will be nothing on the screen. This does not happen when we start the machine in the morning but after running some videos or using it for some time, it will start showing a black screen. Sometimes, the machine will restart instead of going to a black screen. Let me explain reason for this issue. This machine has a defective chip that is causing the issue. This chip is from third party. Apple has been offering a free logic board replacement option until December 2016. Users reported that this again happened after logic board replacement. Many users reported that Apple had to replace their board 2-3 times but the problem still came back. When we receive this kind of machine, we have noticed that technicians from other stores have been replacing many components beside the defective gpu but failed to fix the issue. This problem is not related to any component beside the gpu. Then what is the issue? The issue is mainly with the defective chip. Some technicians will replace the chip, some will reball it, others will reflow it and as mentioned above, even logic board replacement will not help. For a while this was a big problem for us too because customers would like to fix it but none of the above solutions would work. So what is the solution to save this great machine? Luckily we have invented a great solution for this problem. Before I dive into the solution, I will like to inform that there are many suggestions and news on the internet for solving this problem. Some will offer some command line instructions to disable the gpu and others will offer utilities but none of those work because the machine uses the defective gpu for startup and when the gpu has problem, it will not boot at some point and if the machine cannot boot properly, no utility in the world can force it to boot up. So this means a working machine all of the sudden becomes paperweight? This is not acceptable because a basic new machine is around $3000. So we felt a need to bring this machine back to life. Coming back to our invention, we guarantee that our fix is a permanent fix. This fix will make sure the machine never use the defective chip anymore. This is not a software or utility fix. This is a hardware (component level) fix that works for ever. This fix is compatible with all operating systems at the moment. As we know, this machine is a very powerful machine on earth with enough ram, and the fastest pcie ssd hard drive, this fix will not greately affect the performance of the machine. After our fix, if we put a 13 Macbook Pro Retina and this machine after the fix side by side, user will not feel any difference in performance. In other words, the machine will have same power as a 13 MacBook Pro Retina model. We have a lot of experience with this fix so far. If your machine or any of your friends machine has this symptom, send it to our lab. The repair process is very fast and can be finished within 24 hours. We also offer free one way shipping and one year support for our permanent fix. This article is about a known issue with the gpu of a mid 2012 and early 2013 MacBook Pro retina models. I have discussed the reason for the problem as well as I offered a great permanent fix for this issue. Khan Over 2 decades of years of professional experience working with computers, laptops, ipads. I specialize in data recovery from hard drives, iphones, ipads, dead raid, server, usb flash drives and much more. Tech from macbook pro,air repair,data recovery,ipad,laptop data recovery,raid recovery,ssd,usb
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