Optical mouse

Hello, so I still have a 10ish-year-old Dell USB mouse. It says on the bottom "P/N XN966". This mouse used to work fine, but when I tried to use it today it doesnt work. I plug it in, the laser turns on, flashes a few times, and turns off. It doesnt every show up on the computer and this exact...

So, I built this media center about a year ago now and it's solid but I have one issue, I can't really enjoy full 1080p videos from YouTube or 1080p movies..I would love to be able to watch 4K since that's what my TV can handle. My question is, would it be possible to overclock anything to make...