allan_jamieson2 Posted July 18, 2018 Share Posted July 18, 2018 I've got a 2015 Apple MacBook 15 inch Pro Retina laptop, bought it new just over 2.5 years ago grey market via eBay and it has worked flawlessly until a few days ago. Working late I connected my external hard disk to it for about the third time that night as I was transferring images from the laptop onto my older iMac, the screen instantly began flashing bright screen over the darker areas. Tried restarting it, nothing changed. Read various threads online and tried various resets/ hardware tests again no change whatsoever, everything seems to show as normal, one of the threads suggested updating Adobe Flash Player, checked that and it is fully up to date, set to update automatically, so obviously not connected to that. The flashing green screen doesn't go away at all, except when I tried a safe restart, the screen was absolutely normal then, so guessing not hardware related? Tried to do a screenshot to attach to this but no matter how many times I tried this, each and every screenshot came out entirely normal with no green visible at all, even though the screen that I could see was virtually all green. To demonstrate it I took a photograph with my iPhone which I've attached here. Just wondering if there is something else that I can do before taking it in for repair? Link to comment Share on other sites More sharing options...
Ed_Ingold Posted July 18, 2018 Share Posted July 18, 2018 It's time to approach the priesthood at your local Apple store. You will need an appointment for a personal audience. 2 Link to comment Share on other sites More sharing options...
Sanford Posted July 18, 2018 Share Posted July 18, 2018 I had something similar happen to an iMac. It was a bad video card, luckily replaced under warranty. Apple made it a point to state they didn't manufacture their own video cards but they would replace it anyway just because they cared... 2 Link to comment Share on other sites More sharing options...
digitaldog Posted July 23, 2018 Share Posted July 23, 2018 Zap the PRAM (reboot) holding down Command Option P and R key until you hear it 'bong' tone once or better twice. Any better? Author “Color Management for Photographers" & "Photoshop CC Color Management" (pluralsight.com) Link to comment Share on other sites More sharing options...
bgelfand Posted July 23, 2018 Share Posted July 23, 2018 The flashing green screen doesn't go away at all, except when I tried a safe restart, the screen was absolutely normal then, so guessing not hardware related? If the Mac is anything like a Windows machine, your symptom would suggest this is a video card problem. In Windows in safe mode, the video card drivers are not loaded; the card is driven by a very basic operating system driver, and the card acts like a very basic old 1990's type video card. It takes the card driver to activate the full power of the card and use all the memory on the card. When you load the drivers and start using all the functions on the card and all the memory on the card, it fails. This suggests a hardware problem. I agree with Sanford; I suspect you will need a new video card. Link to comment Share on other sites More sharing options...
Brad_ Posted July 27, 2018 Share Posted July 27, 2018 Are you in the northern latitudes; close to the Arctic Circle? www.citysnaps.net Link to comment Share on other sites More sharing options...
digitaldog Posted July 27, 2018 Share Posted July 27, 2018 Could also be a corrupted display profile so recalibrate AFTER you zap the PRAM assuming you are still in need of assistance here...... Author “Color Management for Photographers" & "Photoshop CC Color Management" (pluralsight.com) Link to comment Share on other sites More sharing options...
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