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HDMI to dvi projector and 15.7.1

Question asked by rxive on Aug 17, 2015

I have a triple monitor setup. Two 27" full hd displays hooked to two dvi ports and an hp projector on the hdmi port (using the supplied hdmi to dvi adapter). The card is sapphire Radeon R9 270. If i upgrade the drivers from 14.12 to 15.7.1 (also previously the 15 series betas) the projector says "cannot display" and displays no picture. If i downgrade the drivers everything is back to normal. So i switched one of the monitors to the displayport using a displayport to dvi adapter, and connected the projector to the one dvi port, that still supports analog vga also with an adapter. Now with this setup, i can get all three displays to work. I'm writing this just to let you know, that something is wrong with the drivers and the HDMI isn't working as it should anymore.