GDMorry

Thanks very much. I will have a good look when I get in front of my PC. I’ve Noted that it is NOT on sleep (HDD and Monitor) but more like hibernate eg. The whole PC is off but a power press wakes up The PC straight into the OS without bios and boot up etc.

Ok so I have High Sierra running sweet on my GA-X58-UD3R (Rev 2.0 & FH Bios) ATI Radeon R9 280X. Everything seems to work ok **EXCEPT** On boot I only get display through the Display Port (my centre monitor) left and right monitors (through DVI) do not display and are just blank! I had just given up on getting it to work -=- but here's the kicker after waking from sleep ALL THREE displays now work After a reboot it goes back to only the centre? after waking from sleep all 3 work again Any ideas what I can do to fix so all three monitors work from boot?

thanks once again now I have a new rqst. Send me attached for a Auros master + 990k, will have RX 580 (currently H-Sierra with Nvidia rtx2080) Send me iMac.fritz.box.zip

Quite some time ago I used mmid install etc. then one of your DSDT.aml for my Gigabyte X58-UD3R (V2.0 FH Bios) I also ran a "CustomBeast-GDMorry" Now the time has come to try upgrade the system and I was assuming a new DSDT would be in order. I have uploaded it with this comment. Thanks again. Send me.zip