This has effected me as well. I have a Lenovo X1 Carbon with Nvidia GTX 1650. New Ubuntu 20.04 install.
When I boot up, the built-in screen does not work and it hangs with the Lenovo and Ubuntu logo. When I boot up with an external monitor via HDMI, it boots up BUT build- in screen does not work. If I use the Inter Drivers (radio button in the NVIDIA X Server app) it will boot with the built-in screen working BUT not HDMI / DP working. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1874194 Title: Ubuntu 20.04 HDMI connected, no boot Status in linux package in Ubuntu: Incomplete Bug description: I have installed Ubuntu 20.04 (using the image created on 20 april) on my Dell XPS15 9560. This laptop has a Intel / nVidia combo. The problem i am facing is that when i have an external monitor connected to the laptop through the HDMI connector of the laptop, Ubuntu does not boot and hangs on the splash screen. I have not found any way to get logging on any kind. Before i was running Ubuntu 18.04 and did not have any problems with the monitor and HDMI cable. After boot is finished (without monitor connected) inserting the HDMI cable works fine and i can use the monitor and laptop screen without any problem. I have installed the preferred nVida proprietary driver. Also it does not matter if booting with nVidia selected or Intel selected. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1874194/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
