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This is kind of a random question but...my computer has 2 graphics cards (Intel HD 4000 and Nvidia GeForce GT 630M 1 Gb Gddr5) and whenever I play games on my laptop it gets pretty loud. It switches out which graphics card it uses depending on what I'm doing so for instance if I play a game it uses Nvidia but if I'm browsing the internet it uses the Intel one. I was just wondering is it normal for it to be loud when I play games? I assume it's the fans that are hard at work but I get worried and I try not to play for a long time because I feel as if I am harming my computer when doing so.