My computer has a black bar on the side, how can I fix this?

I wasn't having any issues with the display before till I turned it on. There is a black bar on the side of the screen that pushes everything on the desktop to the side. I don't know what this is or why it's doing this. This was a windows 7, downloaded the windows 10 OS.

Is there anyway I can fix this? I've went through the display settings and nothing is out of order. I have yet to restore it and I wish not to but any suggestions will do.
Thank you very much.
When I PRT SC it doesn't show the bar. so but you can tell by the squished screen.

Could you perhaps take a pic with a phone or something cuz I can't see what you mean?

There is nothing damaged to the display. So I don't know why it's doing this. I was on my laptop not to long ago and it worked perfectly fine until I turned it on. Even before the login screen its there.

Looks as though your resolution is not set to it's native/recommended setting.

It is, that was the first setting I went through was the display settings. Nothing is changed or needs to be changed. I've even messed around with it a bit to try and get it off there and it still wont change anything.

Try moving the taskbar to the bottom then restart explorer;

maybe also, make sure your background is set to 'Fill':

(over and above that, I'd say it's a display driver issue)

I did everything and it still wouldn't fix it...
So I went ahead and restored it and so far it seems to have fixed the problem.

Excuse my typos. I'm on Mobile. TenForums really should have a Win10M app ��