Noctis Bennington, Please install "intel-gpu-tools", then boot with kernel parameter "blacklist=i915,snd_hda_intel modprobe.blacklist=i915,snd_hda_intel 3".
You might need to switch to other tty to see the login prompt. Then read the register via the following command: intel_reg read --count 20 0x64E00 0x64E60 0x64EC0 0x64F20 0x64F80 intel_reg read 0x64000 0x64100 0x64200 0x64300 0x64400 0x6C00C Reply from Intel GFX devs: https://lore.kernel.org/intel-gfx/20200824180438.gi6...@intel.com/ -- 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
