El Retardo Posted March 5, 2016 Share Posted March 5, 2016 Within the last week my mother had her Corsair PSU replaced on RMA (replacement unit is an RM650X). I fitted her new PSU on the day it arrived, works well, job's a good'un. Or so I thought. Ever since that, while her machine is switched on the PSU in my PC - in another room has started making an annoying high frequency, high pitched chirping sound. This only happens while her PC is powered on and operating, the sound emitting from my PSU will stop completely when she shuts her computer down. No other computers or devices in the house are affected as far as I can tell, only mine. Any tips/suggestions greatly appreciated. Link to comment Share on other sites More sharing options...
tmshck122 Posted March 6, 2016 Share Posted March 6, 2016 Try plugging in one of the PC's into a different outlet that's not on the same circuit and report back. Are you using a power strip/surge protector of any kind? Link to comment Share on other sites More sharing options...
El Retardo Posted March 7, 2016 Author Share Posted March 7, 2016 Hi, tmshck122, and thanks for your reply. Yes, both machines run on separate surge protectors. I moved one PC to another floor, which should be on another circuit afaik, but the issue persists same as before. Not sure what else to do at this point. I've ordered a new surge protector which supposedly does RFI filtration, so I'll post back with an update on how that turns out. Link to comment Share on other sites More sharing options...
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