Windows 10: Can no longer get 4K60FPS HDR on TV on Windows 10 (RX590, HDMI 2.0b cable, Hisense h7608)

I recently got a 4K TV and have connected my computer to my TV using my Radeon RX 590 HDMI port, which is an HDMI 2.0b port. The TV is a Hisense H7608 4k Smart TV and all of its HDMI ports support 4k60FPS (see page 3). Lastly, I purchased this cable which supports HDMI 2.0b as well.

When I first connected, I was able to get 4k60FPS to work but it randomly stopped working and I can't seem to get it to work again. Going through the Radeon software I only have the option for YCbCr 4:2:0 Pixel Format unless I reduce the refresh rate to 30hz through Windows Advanced Display Settings, which allows me RGB 4:4:4 and the other normal options (as well as HDR).

As far as I'm aware, there should be no issue with my TV, graphics card (or computer, in general), or HDMI cable that causes this.

If someone could please offer some advice, I'd greatly appreciate it!

PS: I would normally go to /r/TechSupport but it's closed for the holidays!

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:)

 

Laptop to tv via hdmi

I have connected my acer laptop to my Hisense tv via the hdmi cable but the picture on the tv is small and does not fill the screen. Any help is appreciated?

 

connecting smart TV with windows 10 PC using HDMI cable

Hi Shirley,

Thank you for writing to Microsoft Community Forums.

To have better clarity on the issue, answer the below-listed questions and get back to us.

1. What is the make and model number of your TV and your computer?
2. Do you get any error message on the TV or on your computer when trying to connect the computer and TV using HDMI Cable?
3. We appreciate that you have performed the troubleshooting steps, so could you let us know what troubleshooting steps you have already tried?

Meanwhile, follow the below steps and see if this helps.

Before trying the below steps, turn off your computer as well as your TV.

Step 1: Plug one end of the HDMI Port in the TV and the other to the computers HDMI Port. Then, turn on both your computer as well as TV.

Note: Make sure that the TV is set to the exact HDMI Channel from the Input Settings (refer your TV manual).

Step 2: Once you perform the Step 1, the computer should output its screen automatically to the TV. If it failed to do so, then follow below steps.

Step 3: Press the Windows key and the R key from your keyboard and type
Control and hit Enter.

Step 4: Switch the View by Category to
Small icons > Click on Display > On the left pane, click on
Adjust resolution.

Step 5: Under Display, click on the drop-down list and choose your TV name select the appropriate resolution for the TV to display.

Hope it helps.

Let us know if you got the help you needed by clicking Yes or No.

 

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or

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