macbook hdmi only 1080p
Hi,
With everyone self isolating and working from home, I was trying to connect my 2014 MacBook pro to my 4K Sony Bravia TV. I get a picture ok, but only 1080p not 4K.
I know it's not the cable or TV port because when I connect a Raspberry Pi4 to the same cable and TV Port I get a 4K picture.
I have tried all the Mac display ports but all of them only display a 1080p picture.
Any advice grateful received
MacBook Pro 15", macOS 10.15