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Old 20th July 2023, 18:51   #1  |  Link
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Join Date: Apr 2008
Posts: 84
my JVC 4K TV only accepts 30Hz from PC

I have TV JVC 4K LT55VA3000 - When I connect my PC with it, it only accepts 2160p@30Hz. Why only 30Hz, why no 50Hz option on my PC display settings like it states on the TV specs?

Its not the HDMI cable - when I plug my 4K monitor with it the same HDMI cable, I get 2160p@60Hz.

When I use 1080p resolution, then it accepts 60Hz...but I want 4K@60Hz. Do I need a better TV?
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Old 20th July 2023, 19:11   #2  |  Link
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Join Date: May 2007
Location: /dev/video0
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JVC hasn't made any TVs in years. What you have is a Turkish Vestel, branded as JVC. It's cheap junk, really.
ffx264 || ffhevc || ffxvid || microenc
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Old 9th August 2023, 08:23   #3  |  Link
Derek Prestegard IRL
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Join Date: Nov 2003
Location: Los Angeles
Posts: 5,991
Try forcing the pixel format to 8 bit 4:2:2 or 4:2:0 YCbCr?
These are all my personal statements, not those of my employer :)
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