Ubuntu 18.04 install (also seen on 16) is unable to detect integrated Intel graphics card (Intel Iris Plus). Using a Dell XPS 13 2-in-1 7390 the machine is unable to detect attached monitors, change resolutions, or adjust brightness.
There is a dual boot Windows 10 partition, which can access the integrated graphics card without issue and connects to attached monitors on boot. However, after deleting the W10 partition the behaviour is unchanged.
$ lsb_release -rd Description: Ubuntu 18.04.3 LTS Release: 18.04
% uname -o 4.15.0-70-generic
$ apt-cache policy xserver-xorg-video-intel xserver-xorg-video-intel: Installed: 2:2.99.917+git20171229-1 Candidate: 2:2.99.917+git20171229-1 Version table: *** 2:2.99.917+git20171229-1 500 500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 100 /var/lib/dpkg/status
$ lspci -v 00:02.0 VGA compatible controller: Intel Corporation Device 8a52 (rev 07) (prog-if 00 [VGA controller]) Subsystem: Dell Device 08b0 Flags: bus master, fast devsel, latency 0, IRQ 255 Memory at 603d000000 (64-bit, non-prefetchable) [size=16M] Memory at 4000000000 (64-bit, prefetchable) [size=256M] I/O ports at 4000 [size=64] [virtual] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities: <access denied>
I have tried purging
nux-tools to remove a leftover file that interfered with gnome as detailed in this bug.
Further, this fix for intel integrated graphics cards also produced no results.