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Devices:

LG gram 2022 16
intel core i7
intel iris xe graphics
USB: FAT32
OS: Windows 11
Other info:

Ubuntu ISO: 20.04-desktop-amd64
Rufus: 3.21

I installed ubuntu 22.04 on an external SSD and it booted well. But I had to use ubuntu 20.04, so I tried to install ubuntu 20.04. I made a bootable USB using Rufus and tried to boot it by USB. I can see the GNU grub screen and there is a list (ubuntu, ubuntu(safe graphics), install OEM? etc).
If I click anyone, my laptop shows me a black screen for a few minutes and is turned off.
I tried ubuntu 22.04 again and ubuntu 18.04, but they worked well ( Bootable USB, SSD )

I set USB booting sequence for first, security booting disabled, and fast boot disabled.

I think it conflicts with WSL ubuntu 20.04 on my laptop, but it didn't work after deleting the WSL.

please help me.

cjt
  • 11

1 Answers1

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Usually, recent versions of Ubuntu support recent harware much better than older versions of Ubuntu.

If you need Ubuntu 20.04 to run a specific version of ROS, install it in a virtual machine running inside Ubuntu 22.04.

You can use Lubuntu 20.04 (rather than regular Ubuntu 20.04) in the virtual machine because it is relatively lightweight, and demands less system resource.

Archisman Panigrahi
  • 38,814