Usb driver for windows 7 toshiba

[praviachut]

hiii..
i have a laptop of model satellite l510 model..In that windows 7 is installed..my problem is that my usb is not detected in my lap..pls give me a solution

 

[Rogue77777]

How many devices do you currently have plugged in? Is it being recognized?
Plug it in and go to computer (management) and see if it is listed in Disk Management. If so, change the drive letter.