Hello, I recently upgraded my laptop from Windows 7 to Windows 10 64 bit and shortly after it was completed, everything was working fine until the screen suddenly went black. The computer was still running but I could not see anything on the screen to restart the computer so I closed the laptop so that it would shut off to sleep. Coincidentally a power outage happend lasting for about an hr after. When I am finally able to boot up the computer, it show the ASUS splash screen and the windows logo with the loading spin cycle but then shows a black screen after. My guess is that the OS may have been corrupted or something so that I plan on backing up my harddrive before going to a tech shop. I'm not sure what the issue is but it seems like I may have to reinstall the operating system. i have an ASUS N61J. I can't boot into bios or safe mode and can't get passed the black screen to log into my user account. Any ideas or solutions on what may have happened?