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Two HDMI to VGA adapters on Rx 580 not working?

Question asked by juliannb on Jun 8, 2018
Latest reply on May 1, 2020 by jordimas

Good day, everybody!


I'm having some issues with a Sapphire Rx 580 8GB and my two monitors. They are connected through an HDMI to VGA adapter each, since they don't have an HDMI port. At first, nothing's wrong, but after 30 seconds, the second monitor starts blinking like crazy, making it impossible to use it. Thanks to the help of TeamViewer, we managed to spot that the second monitor disconnects and reconnects infinitely, until we unplug either monitors.

We thought that one of the adapters were faulty, so we bought another one and... the issue is still there. Then we decided to connect a TV with an HDMI cable and one of the monitors with the adapter. Surprisingly, there is no blinking in neither of the devices, they were all perfectly functional. Then we connected the TV through the HDMI to VGA adapter and the problem happened again.


Now, with all these tests, I came to this conclusion, or rather, question: Can the Rx 580 (or any GPU at this point) handle two monitors connected through HDMI to VGA adapters at the same time? Because to me, it doesn't make sense, it should work, but I've never done this kind of connection in the past and I can't find any kind of information about it, that's why I open this topic.


That's all from me, if you need more information, let me know.


Thanks in advance!