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I have 5 HP Prodesk 600 G3 SFF HDMI, which I use with HDMI and Display Port (2 Screens), and this is the third CPU to do the same. Out of nowhere the screen connected to the HDMI starts to flicker to a point where it goes completely black. The computer detects the screen, it can be heard when I connect it, but it goes completely black.
I tested the same screen on another HP Prodesk 600 G3 SFF cpu using the same HDMi cable and the same source, and it works without problems, so it is not a screen issue.
Why does the HDMI port stop showing video out of nowhere? If it detects the monitor and everything. I have not updated the computers affected by this and I have not made any changes. It just happens out of nowhere.
I do not have availability of another DisplayPort screen, so yes or if I need that HDMi port to use the two screens.
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