Black Flashing Line

22 Oct 2018
Try this...

Turned the PC and TV off. Took the HDMI out the GPU then back in. Took the HDMI out the TV and tried another HDMI port. Now seems to be fine.

Ah OK, yes, then it's most likely a fault on that HDMI port. Cable faults usually manifest as a completely black screen, although It could always have been just a dodgy connection I guess. Either way, good to see you found a solution.
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