Hi everybody. I stumbled upon this place while searching for solutions to a "squealing" issue my Silverstone PSU has. It's a little over three years old now and has been loaded 24/7 for much of that time, and recently it has started squealing both while in use and while in standby, albeit at different pitches of squealing depending on whether it's loaded or in standby. After using the search function for an hour or so here I've been leaning toward thinking that the squeal could be emitted from the standby transformer, and that this could be caused by failing standby capacitors.
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