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#1
Usb ports not working after new installation of win7
Hi all i have dell xps15z i suffered from problem usb device was not recognized and couldn't solve it by any solutions i found on the internet then decided to format and reinstall the windows i installed all the updates and drivers for my usb ports and all the computer but now usb device was not recognized disappeared but nothing now appear, whenever i enter any usb no driver or anything installed for it no windows driver appear or anything like the driver isn't sensing the usb or the driver isn't installed or sth but the strane thing that when i put usb it lights two times then the light disappear i tried that in 2 usb ports not one and same with any usb what can i do i know that it isn't a hardware issue so please help me i can't do anything please help this is urgent