09-20-2019 05:13 AM
I have attached an external 4K display (Samsung U28E590) to Yoga 260 (with Win10) through HDMI, but it's able to use only half of the resolution (1920 x 1080). When I attach an Acer laptop, the full resolution is available (--> shouldn't be cable or display problem). I have reinstalled the driver and it should be on the latest level.
Any hints, where to look further the problem ?
09-27-2019 09:02 AM
I'm using with extended display, so this ain't the limiter.
My guess is that the problem relates to PIP mode. I somehow managed to reset display back to 4K mode during a transport. Magically the 4K resolution was back (with the same laptop & cables), so my guess is that detaching everything for longer time resetted the display. To test my theory, I turned PIP on and off, and I'm back with the lower resolution. Now struggling with resetting again (maybe I should take the monitor back to my car :- ).