Cool Samsung S4 Black Screen Blue Light 2023. You can try checking the charger and then try charging the device. Then hold power button + home + volume up for a few seconds until the screen lights up.
If the logo does not appear, it is a hardware problem. How to fix samsung monitor blinking blue. I've left it on charge all night and tried to reboot it this morning (power button and volume down key) but still nothing but this blue light!!
