981      iPhone_iPad_Mac_apple

macbook pro display black until max brightness

Hello,

So I have macbook pro 2015 13inch (macOS Sierra 10.12.6) for about a year. First I had a safari freeze issues, but apple finally fixed it. Now I have black screen issue. Maybe it all started with some macOS update, I am not sure, all I can say is that this problem was not present about five months ago. But let me explain the problem. So now and then, after opening a laptop(it is going from sleep state) the backlit turns on, and after a 1-2 seconds turns off, if I shine a light thru the apple logo I can still see the login screen. Even if I managed to super fast type in password, then the desktop is showing but still no backlit. Today I discovered that when it is stuck without backlit, and you turn brightness all the way to the max, on the last dot(max brightness) backlit suddenly starts working, but if you click minus one for screen brightness, backlit again turns off completely. Also if some display is connected let's say with HDMI, that display is working normally, and you can mess with settings but the display on macbook won't turn on. Only one fix that I found is to restart a macbook, then it goes back to normal. But sometimes that is not an option, since a lot of things are open, coming from sleep is here for purpose. I don't want to close everything and then shutdown macbook just to next day turn it on and open all again. Also I tryed every kind of reset(PRAM, SMC, ...) except reinstaling macOS. Does someone have/had problems like this? Is there a fix or something that can be done to stop waking to a black screen? Any help would be appreciated, thanks in advance!

最後更新：2017-09-03 19:54:09

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