I started to have same problem when upgraded today to Ubuntu 20.04 LTS on my docking station with VGA port. HP EliteBook 930p laptop Samsung SyncMaster 2043" Port: VGA
"lspci" output: 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) It worked on 18.04.1 Occasionaly I managed to get it work with "xrandr" setting mode to 1680x1050. VGA-1 connected primary 1680x1050+0+0 (normal left inverted right x axis y axis) 459mm x 296mm 1680x1050 59.88*+ 1280x1024 75.02 60.02 1280x960 60.00 1152x864 75.00 1024x768 75.03 70.07 60.00 832x624 74.55 800x600 72.19 75.00 60.32 56.25 640x480 75.00 72.81 66.67 59.94 720x400 70.08 1680x1050_56.00 55.96 But when I reboot, again it does not work. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871721 Title: Second Monitor on HDMI blank screen/blink screen with Nvidia + Intel & Ubuntu 20.04? (ASUS Laptop) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1871721/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs