dosto man ny new windows ke ha. ab man jab bhe koe usb port wali device lagata hon to wo dectect to hote ha. or phir us k bad hardwaer install wale window bhe aate ha magar us k bad . cannot install hardwear aa jata ha. bara preshan hon. plz help me sp2 use kar raha hon . baqe sab thek chal raha ha.
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