Hi there I've never upgraded my computer before but I have recently came into a little bit of money and want to upstaged my computer I was looking at getting the nvidia 750t 2gb however I was wondering if u guys could tell me if it would be compatible with my box and shit my CPU is a intel j1900 and my graphics card is just intel hd graphics ( no graphics card) I don't actually no my motherboard but when I try to check it comes up acer aspire 630 my case to my eye it looks like I need a new case also how so I check my psu I couldn't see it in my case thanks in advance