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Graphics card refresh rate issue.

gop

Established Member
Hi folks,

I'm kinda stumped here. I have an AMD Radeon R7 360 gpu (latest drivers/software), which is connected to a denon 2300w avr, which is then connected to a samsung 55inch 4k HDR10+ (1900 pqi) TV. My problem is that my comp (windows 8.1 64bit), doesn't seem to recognise the refresh rate of the new 4k tv.

When I put the screen resolution at 1920/1080, the monitor properties allows me to go to 59hertz, when I change the resolution to 4k, I can only go to 30 hertz. I'm confused as to why this is so low for a tv with a high refresh rate. My older samsung 50 inch led tv could go to 60 hertz, according to the monitor properties.

What am I missing? The denon can upscale to 4k, yet this makes no difference to the refresh rate, whether it's on or off.

At present I can't use the 4k resolution as the refresh rate drops to 30hertz making the picture verry choppy.

Thanks in advance,

G
 

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