Unable to open

I was recently dusted out my computer and after I had dusted everything my computer gets stuck on the windows logo or on automatic repair. After a few start ups I was able to get it into safe mode (weirdly only when my mouse is not plugged into the front usb ports) from there I selected start up...

So I have an HD6850 and it's past time I upgraded. I have the cash for the 970, but honestly, I really dont want to buy it. If the next AMD series feature 20nm , performance will rise by a lot, right? But I'll have to wait until summer for that , and if the 39x series costs too much then I will...