HDMI won't go 4k 60hz anymore. HELP!

[jejemon1012]

I have a gtx 970 and using HDMI 1.4 and using a 4k uhd hdr capable samsung tv as a 2nd display. A few days ago I can set the resolution to 4k 60hz using HDMI 1.4. I set it to 4k 60hz because it has that option on nvidia control panel so I thought it was okay. But since yesterday it went automatically to 1080p 60hz and everytime I set it back to 4k or even higher than 1080p resolution it just goes black and tv says that is has no signal.

Is it possible that I busted my HDMI cable for trying to set the resolution to 4k 60hz? I tried reinstalling my drivers and doing some other troubleshooting on the internet but nothing worked.

I hope someone can help me what happened and experience something similar.

 

[ko888]

HDMI Version 1.4 only supports 3840×2160 at 24, 25, and 30 Hz.

HDMI Version 2.0 is required for 3840×2160 at 60 Hz.

The GeForce GTX 970 has an HDMI 2.0 port and is why the 60Hz Refresh rate option showed up in the NVIDIA Control Panel.

Try using an HDMI 2.0 cable.

https://www.amazon.com/AmazonBasics-High-Speed-HDMI-Cable-1-Pack/dp/B014I8T0YQ

 

[jejemon1012]

I can't set it to 3840x2160 at 30hz right now using the 1.4 HDMI cable, it just went no signal then reverts back to 1080x1920. Is it possible that I ruin my HDMI cable for making it go 3840x2160 at 60hz? Thanks, I'll just order a 2.0 and hope everything works fine again.