dell inspiron 14

Hi, I have a Dell Inspiron 14-3452 that, whenever I switch it on, immediately gets directed to a Dell SupportAssist screen that says "Your system seems to be having trouble starting. Dell SupportAssist is scanning your hardware for a possible cause." After a few minutes of scanning I get: Dell...

I am planing to buy a gpu but i dont know what is best for my system .here are my specs,. MOBO: 790 FX GD-70 PROCESSOR: Phenom ii x4 925 2.8 GHZ PSU: COUGAR CM 700 WATTS RAM: 8 Gig of RIPJAWS ram please help me to choose a video card for my sytem , im planing to choose R9 280x toxic but i heard...