bifterx Posted December 30, 2017 Share Posted December 30, 2017 Hi There Followed the fantastic Glasgood guide to build my 8700k / z370-g / 1080Ti machine. Pretty much flawless procedure and works a treat. I have one issued that has cropped up during use. I use a dual monitor setup, Primary monitor in the HDMI port and secondary in the DVI-D port on the 1080Ti. When booting with both monitors connected, it gets half / two thirds through boot progress then goes to a black screen and occasionally throws the prohibit symbol. Take out the second monitor, re-boot - it comes up absolutely fine. I can then plug in the second monitor and it works flawlessly - goes to sleep, wakes up fine. Anyone come across this? Cheers rob Link to comment https://www.insanelymac.com/forum/topic/331120-dual-monitor-booting-probs/ Share on other sites More sharing options...
demos41 Posted January 3, 2018 Share Posted January 3, 2018 Hallo, I boot up dual monitor and have the same issue. I do leave it plugged in and turn on the monitor ay about 60%, goes blank and turns on both. no hot plugging. Link to comment https://www.insanelymac.com/forum/topic/331120-dual-monitor-booting-probs/#findComment-2560679 Share on other sites More sharing options...
bifterx Posted January 3, 2018 Author Share Posted January 3, 2018 I have solved this one - enabled CSM in bios, now clover shows up on other monitor and it boots fine with both monitors connected. Link to comment https://www.insanelymac.com/forum/topic/331120-dual-monitor-booting-probs/#findComment-2560691 Share on other sites More sharing options...
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