Though I wonder if the kernel has decided at boot time that the native 5K resolution is off the list. Please check with:
sudo apt install drm-info sudo drm_info ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2077766 Title: [i915] Dell Ultrasharp 4919DW only achieves half of native resolution To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2077766/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs