Bluetooth error

[er_gurpreet]

I have a Dell Inspiron 630m notebook..whever i switch on the Bluetooth i recieve an error ' USB Device not recognised'...it was functioning properly earlier but all of a sudden i recieve this error. I have reloaded the bluetooth stack but to no avail..Can anyone help?

 

[Konain]

Did you reinstall the stack after unstalling it first and after restarting?

 

[er_gurpreet]

yes i did that..