Black screen with white dash in upper left corner

[Microsoft Windows]

PC boots up to a black screen with a white dash in upper left corner. It doesn't blink, there's no bios that pops up, no logo or loading animation like the windows circle. Also the psu makes a click noise 11 times only when the PC starts up, it then continues on normally. This started happening overnight. The computer is barley 2 years old. I've tried to use a USB with Windows installer but it doesn't do anything. I've unplugged everything, turned off the power, waited for it to regulate or something. I've also removed the battery and put it back to reset cmos but when it turned on the psu cli

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