Roxy248 Posted August 7, 2018 Share Posted August 7, 2018 I install new GPU Sapphire Radeon RX580 Pulse 8GB, I notice that GPU fans are not working properly. When the system boot in the High Sierra 10.13.6, fans will stop spinning and after 5 minutes just one fan starts to spin and producing some weird annoying sizzling noises. Except that everything works fine I run four HD monitors and I have very good results on BruceX, Geekbench test and also FCPX export H.264 with no problem. My PSU is Corsair RM650X. Do you have any ideas how to solve this problem? Thank you for your help! Link to comment https://www.insanelymac.com/forum/topic/335111-sapphire-radeon-rx580-pulse-8gb-fans-problem/ Share on other sites More sharing options...
Picasso Posted August 8, 2018 Share Posted August 8, 2018 Maybe is a RMA hardware problem. I have the same GPU and both fans work toquether. Link to comment https://www.insanelymac.com/forum/topic/335111-sapphire-radeon-rx580-pulse-8gb-fans-problem/#findComment-2629295 Share on other sites More sharing options...
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