helpme

So... uh. Hello. This has been going for a while. I changed my display back to 100%, and now this is the text. I'm pretty sure it's not normal. Can anyone help me out with this? I've tried Googling with no luck!!

So my computer was running just fine and i took my hard drive out to test another computer and the second computer ran fine. But when i put my hard drive back in the first computer, it gives me a red screen that says "your computer is locked please contact your administrator. .." which isfunny...

About 2 hours ago, I updated my computer from windows 8.1 to windows 10 home. The setup was going all fine until it said that it was done and it rebooted. My computer has since been stuck in a reboot loop, with there being no signal on my monitor. It has been suggested that I should update my...