4 Replies Latest reply on Jan 12, 2016 8:48 AM by Amy_Intel

    4k option has disappeared. 4k was working, but not anymore.

    ersatz

      Hi there, I'm using a Sharp Aquos 4k tv with a ThinkPad X1 Carbon (2015). On Thursday I did a clean installation of Windows 10 on the machine, dual booting with Ubuntu. At the time of the installation, I was able to output at 4k under Windows via HDMI, no problems encountered at all. I believe at this time Windows downloaded and installed some updates. I then completed my Ubuntu installation; 4k under HDMI working fine there. But now back in the Windows partition, there isn't even an option to output at 4k. Could the Windows Update have broken this? any other suggestions?