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RX5700 XT HDMI no signal



I recently bought the Gigabyte RX 5700 XT GAMING OC.

I had some driver issues after inserting it into my PC, but I managed to get everything working after all.

There is one more issue left, that I can't find a solution for.

The HDMI port doesn't seem to work correctly, I can't get a signal on my TV.

Both my monitor and my TV worked with my GTX 970 and with onboard graphics but right after installing the driver I couldn't get a signal anymore after POST.

I am able to enter the BIOS however but the signal is lost during boot.

If I connect my TV when I am logged in to Windows sometimes the TV has a signal for a split second and then it goes black again.
After my new monitor with Displayport arrived I thought it was just a problem with my old monitor but now I experience the same issue on my TV with all of my HDMI cables.


So it seems to be a driver related problem or maybe defective hardware. I searched for AMD GPU users with the same issues, most ended up buying a RTX 2070 Super apparently.


Does anybody know what to do?

I'm kind of stuck here, thinking about returning the card as well :/


Windows 10 Pro (Clean Install after removing the old GPU), i7 4790K @4,6 Ghz, Gigabyte RX 5700 XT GAMING OC, updated BIOS

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