I thanks all for reaply .
But there one thing . and I think the problem in the phone itself not with windows .
I tried before attaching another phone (K810) and its worked fine .
But when attaching My K750i , windows hardware wizard doesnt PopUp .
windows install Generic driver .
message appear saying ,Your new hardware installed and ready to use .
when go to device manager and Under Universal ports , Uknown deivce show there , and not with yellow question or exclamation mark .
No driver installed for this device and when trying Update driver , even with a specific loaction where driver unpacked on my computer , but no luck .
I have program which can show USB devices connected to computer and the pic attached show that no information for this device .
and in windows Registry HKLM , USB Device , where Unknow Device show that ,VID_000\PID_000 .
I spent two months to solve this , unitll now
Plz , I need your help .