Here I wish to present a quick guide, how to enable 4k video output on Raspberry Pi 4 with 60Hz refresh rate. It’s not hard at all. It just requires to know some facts before, to avoid unnecessary frustration. Let me briefly summarize it:
4k@60Hz is disabled by default on Raspberry Pi 4 (due to a fact of increased memory consumption and device temperature - check docs - that is not needed by most of Pi users).
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