Video now looks like 8 color mode....
On 30th July, I did an update/upgrade on Ubuntu-16.04. I should have known better when it wanted to update X-server and Grub on the same shot....Computer boots OK stops at TDM login screen..normal. but the graphics in the background picture look awful. Login to trinity, all graphics look like 8 color on background anything that I run, including Xine and VLC , 8 color. To go further, CNTL+ALT+F1 or F2-6, the screen is wrong there also. F1 will give you the book up sequence, but all that you can see is OK in faint video. It does let you log in, blindly, and my color prompt is there, but cannot read any other text. It does exec the app (ls) some owner/privlege info shows but there is missing text.
Story continues...
From the TDM login, I can select Ubuntu's GUI, and as is starts to load you can see TDMs background picture display properly for a couple seconds, and Gnome or whatever it is has all the proper graphics, everything runs properly. CNTL+ALT+F1 thru6 all display properly.
So why would Gnome work and TDM/Trinity look crappy? I suspect something in Xorg.
update list from 30 JULY:
2017-07-30 17:08:36 upgrade grub2:amd64 2.02~beta2-36ubuntu3.11 2.02~beta2-36ubuntu3.12 2017-07-30 17:08:36 upgrade grub-pc:amd64 2.02~beta2-36ubuntu3.11 2.02~beta2-36ubuntu3.12 2017-07-30 17:08:36 upgrade grub-pc-bin:amd64 2.02~beta2-36ubuntu3.11 2.02~beta2-36ubuntu3.12 2017-07-30 17:08:36 upgrade grub2-common:amd64 2.02~beta2-36ubuntu3.11 2.02~beta2-36ubuntu3.12 2017-07-30 17:08:37 upgrade grub-common:amd64 2.02~beta2-36ubuntu3.11 2.02~beta2-36ubuntu3.12 2017-07-30 17:08:37 upgrade ntpdate:amd64 1:4.2.8p4+dfsg-3ubuntu5.5 1:4.2.8p4+dfsg-3ubuntu5.6 2017-07-30 17:08:37 upgrade whoopsie:amd64 0.2.52.3 0.2.52.4 2017-07-30 17:08:38 upgrade libwhoopsie0:amd64 0.2.52.3 0.2.52.4 2017-07-30 17:08:38 upgrade kmod:amd64 22-1ubuntu4 22-1ubuntu5 2017-07-30 17:08:38 upgrade libkmod2:amd64 22-1ubuntu4 22-1ubuntu5 2017-07-30 17:08:40 upgrade sudo:amd64 1.8.16-0ubuntu1.4 1.8.16-0ubuntu1.5 2017-07-30 17:08:40 upgrade libdrm2:amd64 2.4.70-1~ubuntu16.04.1 2.4.76-1~ubuntu16.04.1 2017-07-30 17:08:40 upgrade ubuntu-release-upgrader-gtk:all 1:16.04.21 1:16.04.22 2017-07-30 17:08:40 status half-configured ubuntu-release-upgrader-gtk:all 1:16.04.21 2017-07-30 17:08:40 status unpacked ubuntu-release-upgrader-gtk:all 1:16.04.21 2017-07-30 17:08:40 status half-installed ubuntu-release-upgrader-gtk:all 1:16.04.21 2017-07-30 17:08:40 status half-installed ubuntu-release-upgrader-gtk:all 1:16.04.21 2017-07-30 17:08:40 status unpacked ubuntu-release-upgrader-gtk:all 1:16.04.22 2017-07-30 17:08:40 status unpacked ubuntu-release-upgrader-gtk:all 1:16.04.22 2017-07-30 17:08:40 upgrade ubuntu-release-upgrader-core:all 1:16.04.21 1:16.04.22 2017-07-30 17:08:40 status half-configured ubuntu-release-upgrader-core:all 1:16.04.21 2017-07-30 17:08:40 status unpacked ubuntu-release-upgrader-core:all 1:16.04.21 2017-07-30 17:08:40 status half-installed ubuntu-release-upgrader-core:all 1:16.04.21 2017-07-30 17:08:40 status half-installed ubuntu-release-upgrader-core:all 1:16.04.21 2017-07-30 17:08:40 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:08:40 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:08:40 upgrade update-manager:all 1:16.04.6 1:16.04.7 2017-07-30 17:08:40 upgrade update-manager-core:all 1:16.04.6 1:16.04.7 2017-07-30 17:08:41 upgrade python3-distupgrade:all 1:16.04.21 1:16.04.22 2017-07-30 17:08:41 status half-configured python3-distupgrade:all 1:16.04.21 2017-07-30 17:08:41 status unpacked python3-distupgrade:all 1:16.04.21 2017-07-30 17:08:41 status half-installed python3-distupgrade:all 1:16.04.21 2017-07-30 17:08:41 status half-installed python3-distupgrade:all 1:16.04.21 2017-07-30 17:08:41 status unpacked python3-distupgrade:all 1:16.04.22 2017-07-30 17:08:41 status unpacked python3-distupgrade:all 1:16.04.22 2017-07-30 17:08:41 upgrade python3-update-manager:all 1:16.04.6 1:16.04.7 2017-07-30 17:08:41 upgrade binutils:amd64 2.26.1-1ubuntu1~16.04.3 2.26.1-1ubuntu1~16.04.4 2017-07-30 17:08:41 upgrade gdb:amd64 7.11.1-0ubuntu1~16.04 7.11.1-0ubuntu1~16.5 2017-07-30 17:08:42 upgrade gdbserver:amd64 7.11.1-0ubuntu1~16.04 7.11.1-0ubuntu1~16.5 2017-07-30 17:08:42 upgrade ubuntu-software:amd64 3.20.1+git20170524.0.ea2fe2b0-0ubuntu0.16.04.1 3.20.5-0ubuntu0.16.04.5 2017-07-30 17:08:42 upgrade gnome-software:amd64 3.20.1+git20170524.0.ea2fe2b0-0ubuntu0.16.04.1 3.20.5-0ubuntu0.16.04.5 2017-07-30 17:08:42 upgrade gnome-software-common:all 3.20.1+git20170524.0.ea2fe2b0-0ubuntu0.16.04.1 3.20.5-0ubuntu0.16.04.5 2017-07-30 17:08:42 upgrade libappstream-glib8:amd64 0.5.13-1ubuntu4 0.5.13-1ubuntu5 2017-07-30 17:08:42 upgrade libdrm-amdgpu1:amd64 2.4.70-1~ubuntu16.04.1 2.4.76-1~ubuntu16.04.1 2017-07-30 17:08:42 upgrade libdrm-intel1:amd64 2.4.70-1~ubuntu16.04.1 2.4.76-1~ubuntu16.04.1 2017-07-30 17:08:42 upgrade libdrm-nouveau2:amd64 2.4.70-1~ubuntu16.04.1 2.4.76-1~ubuntu16.04.1 2017-07-30 17:08:43 upgrade libdrm-radeon1:amd64 2.4.70-1~ubuntu16.04.1 2.4.76-1~ubuntu16.04.1 2017-07-30 17:08:43 upgrade libwayland-egl1-mesa:amd64 12.0.6-0ubuntu0.16.04.1 17.0.7-0ubuntu0.16.04.1 2017-07-30 17:08:43 upgrade libwayland-client0:amd64 1.9.0-1 1.12.0-1~ubuntu16.04.1 2017-07-30 17:08:43 upgrade libwayland-server0:amd64 1.9.0-1 1.12.0-1~ubuntu16.04.1 2017-07-30 17:08:43 upgrade libegl1-mesa:amd64 12.0.6-0ubuntu0.16.04.1 17.0.7-0ubuntu0.16.04.1 2017-07-30 17:08:43 upgrade libgbm1:amd64 12.0.6-0ubuntu0.16.04.1 17.0.7-0ubuntu0.16.04.1 2017-07-30 17:08:43 upgrade xserver-xorg-input-evdev-hwe-16.04:amd64 1:2.10.2-1ubuntu1~16.04.1 1:2.10.5-1ubuntu1~16.04.1 2017-07-30 17:08:43 upgrade xserver-xorg-video-qxl-hwe-16.04:amd64 0.1.4-3ubuntu3~16.04.1 0.1.5-2build1~16.04.1 2017-07-30 17:08:43 upgrade xserver-xorg-video-fbdev-hwe-16.04:amd64 1:0.4.4-1build5~16.04.1 1:0.4.4-1build6~16.04.1 2017-07-30 17:08:45 upgrade libxatracker2:amd64 12.0.6-0ubuntu0.16.04.1 17.0.7-0ubuntu0.16.04.1 2017-07-30 17:08:45 upgrade xserver-xorg-video-vmware-hwe-16.04:amd64 1:13.1.0-2ubuntu3~16.04.1 1:13.2.1-1build1~16.04.1 2017-07-30 17:08:45 upgrade xserver-xorg-video-radeon-hwe-16.04:amd64 1:7.7.1-1~16.04.1 1:7.9.0-0ubuntu1~16.04.1 2017-07-30 17:08:45 upgrade xserver-xorg-video-ati-hwe-16.04:amd64 1:7.7.1-1~16.04.1 1:7.9.0-0ubuntu1~16.04.1 2017-07-30 17:08:45 upgrade xserver-xorg-video-vesa-hwe-16.04:amd64 1:2.3.4-1build2~16.04.1 1:2.3.4-1build3~16.04.1 2017-07-30 17:08:45 upgrade xserver-xorg-video-amdgpu-hwe-16.04:amd64 1.1.2-1~16.04.1 1.3.0-0ubuntu1~16.04.1 2017-07-30 17:08:45 upgrade xserver-xorg-video-intel-hwe-16.04:amd64 2:2.99.917+git20160706-1ubuntu1~16.04.1 2:2.99.917+git20170309-0ubuntu1~16.04.1 2017-07-30 17:08:45 upgrade xserver-xorg-video-nouveau-hwe-16.04:amd64 1:1.0.12-2~16.04.1 1:1.0.14-0ubuntu1~16.04.1 2017-07-30 17:08:45 upgrade libgl1-mesa-dri:amd64 12.0.6-0ubuntu0.16.04.1 17.0.7-0ubuntu0.16.04.1 2017-07-30 17:08:46 upgrade xserver-xorg-input-synaptics-hwe-16.04:amd64 1.8.3-1ubuntu1~16.04.1 1.9.0-1ubuntu1~16.04.1 2017-07-30 17:08:46 upgrade xserver-xorg-core-hwe-16.04:amd64 2:1.18.4-1ubuntu6.1~16.04.2 2:1.19.3-1ubuntu1~16.04.2 2017-07-30 17:08:46 upgrade xserver-xorg-input-wacom-hwe-16.04:amd64 1:0.33.0-0ubuntu1~16.04.1 1:0.34.0-0ubuntu2~16.04.1 2017-07-30 17:08:46 upgrade libwacom2:amd64 0.18-1 0.22-1~ubuntu16.04.1 2017-07-30 17:08:47 upgrade libwacom-common:all 0.18-1 0.22-1~ubuntu16.04.1 2017-07-30 17:08:47 upgrade libinput10:amd64 1.2.3-1ubuntu1 1.6.3-1ubuntu1~16.04.1 2017-07-30 17:08:47 upgrade libwacom-bin:amd64 0.18-1 0.22-1~ubuntu16.04.1 2017-07-30 17:08:47 upgrade libwayland-cursor0:amd64 1.9.0-1 1.12.0-1~ubuntu16.04.1 2017-07-30 17:08:47 upgrade libxfont1:amd64 1:1.5.1-1 1:1.5.1-1ubuntu0.16.04.1 2017-07-30 17:08:51 upgrade linux-generic-hwe-16.04:amd64 4.8.0.58.29 4.10.0.28.31 2017-07-30 17:08:51 upgrade linux-image-generic-hwe-16.04:amd64 4.8.0.58.29 4.10.0.28.31 2017-07-30 17:08:54 upgrade linux-headers-generic-hwe-16.04:amd64 4.8.0.58.29 4.10.0.28.31 2017-07-30 17:08:57 upgrade linux-headers-generic:amd64 4.4.0.83.89 4.4.0.87.93 2017-07-30 17:08:57 upgrade mesa-vdpau-drivers:amd64 12.0.6-0ubuntu0.16.04.1 17.0.7-0ubuntu0.16.04.1 2017-07-30 17:08:57 upgrade x11proto-core-dev:all 7.0.28-2ubuntu1 7.0.31-1~ubuntu16.04.1 2017-07-30 17:08:57 upgrade xfonts-utils:amd64 1:7.7+3 1:7.7+3ubuntu0.16.04.2 2017-07-30 17:08:58 upgrade xserver-xorg-input-all-hwe-16.04:amd64 1:7.7+13ubuntu4~16.04.2 1:7.7+16ubuntu3~16.04.1 2017-07-30 17:08:58 upgrade xserver-xorg-hwe-16.04:amd64 1:7.7+13ubuntu4~16.04.2 1:7.7+16ubuntu3~16.04.1 2017-07-30 17:08:58 upgrade xserver-xorg-video-all-hwe-16.04:amd64 1:7.7+13ubuntu4~16.04.2 1:7.7+16ubuntu3~16.04.1 2017-07-30 17:10:28 configure python3-distupgrade:all 1:16.04.22 <none> 2017-07-30 17:10:28 status unpacked python3-distupgrade:all 1:16.04.22 2017-07-30 17:10:28 status half-configured python3-distupgrade:all 1:16.04.22 2017-07-30 17:10:29 status installed python3-distupgrade:all 1:16.04.22 2017-07-30 17:10:29 configure ubuntu-release-upgrader-core:all 1:16.04.22 <none> 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status half-configured ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status installed ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 configure ubuntu-release-upgrader-gtk:all 1:16.04.22 <none> 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-gtk:all 1:16.04.22 2017-07-30 17:10:29 status half-configured ubuntu-release-upgrader-gtk:all 1:16.04.22 2017-07-30 17:10:29 status installed ubuntu-release-upgrader-gtk:all 1:16.04.22
RE: 16 color graphics
2017-07-30 17:08:47 upgrade libinput10:amd64 1.2.3-1ubuntu1 1.6.3-1ubuntu1~16.04.1
2017-07-30 17:08:47 upgrade libwacom-bin:amd64 0.18-1 0.22-1~ubuntu16.04.1 2017-07-30 17:08:47 upgrade libwayland-cursor0:amd64 1.9.0-1 1.12.0-1~ubuntu16.04.1 2017-07-30 17:08:47 upgrade libxfont1:amd64 1:1.5.1-1 1:1.5.1-1ubuntu0.16.04.1 2017-07-30 17:08:51 upgrade linux-generic-hwe-16.04:amd64 4.8.0.58.29 4.10.0.28.31 2017-07-30 17:08:51 upgrade linux-image-generic-hwe-16.04:amd64 4.8.0.58.29 4.10.0.28.31 2017-07-30 17:08:54 upgrade linux-headers-generic-hwe-16.04:amd64 4.8.0.58.29 4.10.0.28.31 2017-07-30 17:08:57 upgrade linux-headers-generic:amd64 4.4.0.83.89 4.4.0.87.93 2017-07-30 17:08:57 upgrade mesa-vdpau-drivers:amd64 12.0.6-0ubuntu0.16.04.1 17.0.7-0ubuntu0.16.04.1 2017-07-30 17:08:57 upgrade x11proto-core-dev:all 7.0.28-2ubuntu1 7.0.31-1~ubuntu16.04.1 2017-07-30 17:08:57 upgrade xfonts-utils:amd64 1:7.7+3 1:7.7+3ubuntu0.16.04.2 2017-07-30 17:08:58 upgrade xserver-xorg-input-all-hwe-16.04:amd64 1:7.7+13ubuntu4~16.04.2 1:7.7+16ubuntu3~16.04.1 2017-07-30 17:08:58 upgrade xserver-xorg-hwe-16.04:amd64 1:7.7+13ubuntu4~16.04.2 1:7.7+16ubuntu3~16.04.1 2017-07-30 17:08:58 upgrade xserver-xorg-video-all-hwe-16.04:amd64 1:7.7+13ubuntu4~16.04.2 1:7.7+16ubuntu3~16.04.1 2017-07-30 17:10:28 configure python3-distupgrade:all 1:16.04.22 <none> 2017-07-30 17:10:28 status unpacked python3-distupgrade:all 1:16.04.22 2017-07-30 17:10:28 status half-configured python3-distupgrade:all 1:16.04.22 2017-07-30 17:10:29 status installed python3-distupgrade:all 1:16.04.22 2017-07-30 17:10:29 configure ubuntu-release-upgrader-core:all 1:16.04.22 <none> 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status half-configured ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 status installed ubuntu-release-upgrader-core:all 1:16.04.22 2017-07-30 17:10:29 configure ubuntu-release-upgrader-gtk:all 1:16.04.22 <none> 2017-07-30 17:10:29 status unpacked ubuntu-release-upgrader-gtk:all 1:16.04.22 2017-07-30 17:10:29 status half-configured ubuntu-release-upgrader-gtk:all 1:16.04.22 2017-07-30 17:10:29 status installed ubuntu-release-upgrader-gtk:all 1:16.04.22
I just tried to login from TDM as root into xfce same graphics problem.
Dave composed on 2017-08-03 10:23 (UTC-0400):
Video now looks like 8 color mode....
On 30th July, I did an update/upgrade on Ubuntu-16.04. I should have known better when it wanted to update X-server and Grub on the same shot....Computer boots OK stops at TDM login screen..normal. but the graphics in the background picture look awful....
Start by showing us Xorg.0.log from /var/log/ or ~/.local/share/xorg/. You can use pastebinit from a vtty login if unable reach https://pastebin.ubuntu.com/ or https://pastebin.com/ in a browser to upload it.
Other clues might be found with 'dmesg | grep fail'. If you see any that look like could be related post them here if few, or pastebin if many.
Given it happens in XFCE too, a query among Ubuntu email or https://askubuntu.com/ users might provide more expedient help.