problem with graphic its corect for 3 minutes after is bug

[lemotion_qc]

I have a problem .. after 3 minutes my graphics are bad .. its been doing this for which the mountain is added .. my grafic card is Rodeon hd 7700 .. j would love to play her very soon anyway because jai buy 4 key to give a friend of .. SOMEBODY that you are not help me or must I wait for a new patch ...problem with its corect for 3 minutes after when I look in the sky its beautiful land has not his beautiful my ken I look straight games graphics deforms and bug jpeu apart if I could play and I go out again