Alternatively, hold the power button for 5 seconds to shut down your MacBook Pro, wait 15 seconds and then press the button again to reboot.

After fiddling with it, it now says it is 'Normal'. Pressing Control + Command (the symbol with four loops) + Power/Eject/Touch ID button (depending on your model) should automatically restart your device. Easily create and publish your content with the most powerful capture and editing software. One odd thing: the battery had been giving a warning indicating need for service/replacement. ScreenFlow 6.1 Damaged File FIX Tutorial (WORKING 2016/2017) ScreenFlow is damaged and cannot be opened fixedI hope you found this tutorial helpful Be sure. I did manage to do an extended hardware check once when I had the display working, but it gave no hints of any problems. I reinstalled the latest compatible OS (10.13.6), but the issue persists. I've tried disconnecting the battery, removing the solid state drive (and booting off an external drive), and other standard trouble-shooting tips, but to no avail. Occasionally when trying to reset SMC and/or PRAM, I can get the display to work for a few minutes, but then it goes black again. In addition, it does not recognize any external monitors. Using Screen Sharing, I get a display that is almost square, like one would get with a headless Mac mini, rather than a display window proportional to 2880 x 1800. I have a similar issue with my wife's 2012 17' Retina display.

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