I have the black screen death- HELP!!

[Android Central Question]

So i have the black screen on my samsung galaxy s6 with the pulsing LED blue light.
I have tried everything.
Holding the Vol down + Power, Vol Up + Power, holding all buttons.
Left it over night and tried again. Nothing is working.
What would be the next step?

 

[pkcable]

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Probably something wrong with your display, and probably the LED means something. IF it's blinking a certain way, try googling your phone model AND the way it's blinking to see if you can find the meaning. For example "Samsung S6 LED blinks blue 3 fast flashes then repeats" OR whatever you think you are seeing.

 

[Rukbat]

The pulsing LED is like a desktop's "drive" light flashing - it means that the phone is accessing storage.

The most likely cause is either a corrupt ROM or a hardware failure in storage. You can do as pkcable suggested and search for your situation, but I think you'll end up having to try to reflash the ROM (which will delete everything you've added to the phone since you got it, so I hope you keep a good, regular, backup).