So i got a good deal on a Lenovo Ideapad 320 15.6 laptop w/ AMD A12-9720P RADEON R7 2.70GHz 8GB RAM

everything seems to working nicely except on some sites with lots of text & graphics (see screenshots below)

Name:  WTF.PNG
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Name:  wtf2.PNG
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Size:  138.6 KB


I'm not exactly a computer scientist so I'd appreciate any suggestions before I ship this thing back

also, these aren't just dead pixels