(sorry for my bad spelling) Hello my computer keeps freezeing or shutting off when it freeze's i cant do anything but click the power button and when it shuts off it restarts it self it only does these things within 30 mins after start up ive tried cleaning my video card it worked for a few months but now it doesnt if anyone could help it would be awesome 
here are my specs
http://i.imgur.com/u5gIfnf.png
http://i.imgur.com/CYdGFB2.png
here are my specshttp://i.imgur.com/u5gIfnf.png
http://i.imgur.com/CYdGFB2.png
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