Happened past week or two. Nothing had changed on my computer when it started to happen. I will load pages and at times it will randomly turn screen black. new tabs and old tabs. The pages load, as if i click it will load a new page based on what i clicked (like if im on a forum), but everything is black. Only fix I found was closing the browser. I have updated/refreshed Firefox earlier today and it still happens. My RAM never goes over 50% used (even when I have games open while browsing).