If you have not yet upgraded to the Windows 10 update, then you may see yourself affected by the black-screen bug that results from a minor security upgrade. So, to overcome this problem you need to follow some simple steps given here. First of all, hit Ctrl + Alt + Delete simultaneously on your keyboard. After that, hit the Power button in the bottom right corner then Restart your system. These steps will surely eradicate your issue, but if not, its time to take help from Microsoft windows 10 supportteam. Experts will sort out your problem and suggest the best remedy for your problem. Just dial our toll free number and get the assistance.