Solved Power supply making a little noise, is this normal ? Tags: Power Supplies Cooler Master Components Last response: November 15, 2012 11:21 PM in Components Share bjsm November 9, 2012 8:33:47 PM Hello all once again ! I've noticed that my PSU wich is a Cooler Master GX 750W, is making a little bit of noise, sort of electric noise, when im using my computer and even if it's closed. Is this normal ? I can't find much info on this at all on the internet, thank you very much for your help Good day i7 2600k @ 4,5 Ghz Asus GTX 680 Agility 3 120 Gb SSD Asus p8z68-v pro gen 3 Noctua NH-U12P heatsink CM GX 750W Samsung 23' SA700 3D LED More about : power supply making noise normal Best solution richi3d10 November 9, 2012 8:39:21 PM My Fatal1ty does the same, yes it is normal. Z1NONLY a b ) Power supply November 9, 2012 8:45:56 PM Could be "coil whine". It's sort of common, and doesn't hurt anything, but it kind of defeats the purpose of having a quite fan on the PSU. Related resources Power supply (weird noise or is it normal ?) - Forum Power Supply Making Noise - Forum Corsair HX1050 making noise - Forum Need Help - Power Supply Noise Driving Me Crazy!! - Forum power supply noise - Forum Can't find your answer ? Ask ! Get the answer bjsm November 9, 2012 8:53:11 PM I just checked coil whine, and that is really not what it does, it's more like a subtle electric sound bjsm November 15, 2012 11:21:54 PM Best answer selected by bjsm. Can't find your answer ? Ask ! Publish Related resources: ForumPSU making "squealing" noise while mouse scrolling -- Need help ForumPower supply making a weird buzzing noise ForumHard driving making clicking noise , even after it comes up clean... ForumThe fan in my power supply is making noise ForumMy PSU is making a ticking noise ? ForumPSU makes little whistle noise when PC is turned off ForumPower Supply Unit High Pitched Noise / Whine ForumPower supply making weird noise when connected to power and mobo ForumPC making grinding noise on startup, need help! ForumPC making grinding noise on startup, need help! ForumPSU Help More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !