So today I went to boot my PC, everything started off normal, until I got to the windows Lock Screen. Immediately I knew something was wrong when the backdrop didn’t load, but furthermore, when I tried to advance through the lock screen or go to the settings/shut off screen, the screen goes black. After about a minute it returns to the messed up sign in screen, and that’s all I can do. Pushing the power off button on my PC does not shut the computer off, and I can only turn it off by cutting power to the power supply. I believe I have faulty equipment somewhere in the PC, I just don’t know what the issue is. Yesterday gave the only sign something could be wrong when half of the USB ports stopped delivering power to anything I plugged in. Does anyone know what could be wrong here?