https://www.macrumors.com/guide/fle... Apple when pressed will consider it (they do know about it but often like to keep shush about it...). are worth reading nonethless; may give you some leverage even with Apple since the current screen was replaced just over a year ago I>n my book to have it fail again (if it has) is not acceptable. Computing.Net cannot verify the validity of the statements made on this Judd Maroney, Hey Judd, not sure what you mean exactly. Thank you. I apologize that my original post is not accurate. 08/08/2017 by Could it be a 'Flexgate' Display Issue? MacBook Pro :: Frozen Screen With Pink/Blue Lines? Managed to view your image - wasn't able to earlier. (Sorry Real Mac Mods - you were my last resort and I didn't have to try it.) Provided the item has not been mishandled/abuse that is the rule. Just wanted to ask about the Hardware mod mentioned on the Real Mac Mods website. As startup continues, you should see a progress bar, with or without the Apple logo. But when I boot on the windows everything's work fine. They ran a diagnostic. Thanks in advance. Is it really the logic board problem? This "fix" will last between 30 days and 6 months. This stays for a moment – until the loading scroll bar reaches about 1/3 to 1/2 of the way across – and then the screen goes grey. If it hadn't been for you, I'd still be scratching my head with a dead Mac. Record any error messages it reports - come back here with them. Thank you!!!!!!! Then connect a Firewire cord between this MBP and any Firewire Mac. The root cause for me was a POS (Piece of ...) Radeon display controller. This was taken in 2013, and repair was done. Accessibility. If that boot is white screen" it would indicate the HD. 02/20/2018 by However, from the last few months, it has been noticed that the Mac screens suddenly start flickering either in multiple color lines or horizontal lines/blocks. I got $10 silver thermal paste w cleanimg solutions. Computing.Net and Compnet Ventures, LLC hereby disclaim all responsibility Then it restarted by itself. Have it running on a flat desktop and is running cool. Red horizontal lines display right after you startup, it will go on to show you the apple (still in red horizontal lines), then it show the gray screen, and your fans start running like crazy. i'm not sure if i followed the steps precisely but removing the RAM and messing around with it worked magic :)) thanks again. Also, it you put the faulty RAM in and take it out, even though you are sure the RAM is OK, the problem still exist without doing the process that I just described. What are the risks of not doing the hardware fix? I noticed that my power cable was slightly damaged at which I had it repaired but I continue to have the same problem so I decided to replace the original 85 watts power cable (from Amazon). Most importantly, what issue are you having? If the RAM you are using is ok, everything should back to normal. This process worked for me when all the PMC PRAM etc wouldn't. The heat and fans lead me to think this may be what's going on but best to connect to an external monitor to confirm or deny that supposition. It's quite annoying when watching video or movie. Is there anybody in Switzerland who can do this mod for me? To see if the screen … After 1 month there are small thin horizontal lines appear on my macbook pro screen. Your Mac shows an Apple logo when it finds your local startup disk, which is a startup disk built into your Mac or directly connected to your Mac. In windows I see only Nvidia graphics card. MacBook Pro :: Small Thin Horizontal Lines On Screen Display Sep 10, 2014. But I had the same exact symptoms. I had this problem as well,conducted all types of test to include internal hardware. The problem with the stripes came back and after trying all these tricks the computer doesn't boot and the screen now shows Apple logo on a gray background and then turns to a blank gray.