Question I have a 4K TV and a 4K GPU but I'm only getting 1080 ?

[halfitzsimons]

Hi, I have a tower computer plugged into my 4K TV. I was getting a nice 4K display but then something reset and now I'm only getting a 1080 display. In Windows 10 settings my desktop display is 3840x2160 but my active signal resolution is 1920x1080, and when I switch my TV on the information banner that briefly appears tells me the resolution is 1920x1080.

Can anybody help me get it back to 4K please. Many thanks in advance.

 

[helpstar]

reinstall the gpu driver and set the resolution again in the driver, not in windows, or if you tried in the driver try it in windows
did you connect the video cable into the correct GPU port? (PCIe and not integrated GPU)

 

[halfitzsimons]

Hi, I've reinstalled the driver and reset the resolution in Windows and on the NVIDIA control panel but it still says active signal resolution 1920x1080. The graphics card (GeForce GT 1030) is connected to the tv with an HDMI cable.

 

[logainofhades]

It could be your cable. I would try a different one.