Osama Javaid

Why does my PC’s speakers make a hissing sound when I plug in a USB device?

25 Jun 2012
Windows 7 Ultimate 64-bit SP1
Firefox 13.0
25 Jun 2012 | Windows 7 Ultimate 64-bit SP1 | Firefox 13.0

Whenever I plug in any USB device into my PC an annoying hissing sound appears in my headphones or speakers (even if I am not transferring data to or from it) , and if I start transferring data, strange and very annoying and loud screeching sounds starts coming from the headphones.

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