Windows 7 My online game is having great ping

i have use windows 7 in 15 days with no problem in online game and now i cant play my online game couse of my ping. att frist 15days i have ping in all online game about 50 and now i have 1000. I have try with my old com with same LAN it show it have 50 ping on same game that i try on win7. Can some one help me ?

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