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emchristiansen
Asked: 2021-10-06 10:38:55 +0800 CST

Display manager doesn't start with fresh 20.04.3 LTS install

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I just installed 20.04.3 LTS as a dual-boot beside Windows 10, and the display manager isn't starting when I boot into Ubuntu. Any idea how to fix this?

Instead, I see a black screen with a tiny cursor underscore (_) blinking in the upper-left corner. If I view the logs by pressing Alt-F7 all I see is a message about my boot partition (/dev/nvme0n1p4: clean, 204105/1921360 files, 2608121/7680000 blocks). I can login via a text prompt by pressing Alt-F2.

BTW, in the installation I selected the option to install additional / proprietary software.

Any help would be appreciated.

Thanks!

system-installation

1 Answers

  1. It turns out the display manager gdm3 was starting, and the blinking cursor was its output (see this thread for reference).

    I was able to fix things by manually installing nvidia drivers according to these directions (see the command line section).

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