Graphics problem in AutoCAD 2015

hello everyone,

I've installed Autocad 2015 and I'm having a serious problems and I diden't face these problems in 2014 or 2013 versions

1 - my GUI is different  than the one in this video https://www.youtube.com/watch?v=WmUhPX0Z7pM

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2 - when I turn hardware acceleration on, I my screen be like this 

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and when I turn hardware acceleration off the cursor keep flashing 

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My hardware specifications 

intel core i7 2.2 ghz

8 Gb RAM

nvidia 525m with vram 1GB

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Clik here to view.

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Clik here to view.