Tested with Ubuntu MATE 20.04 LTS Daily Build (21.03.2020)
- Download image
- Create bootable USB with Startup Disk Creator
- Boot GPD Win2 with Del to enter BIOS
- Navigate to Save & Exit and select your USB device
- Install & Reboot
- Clone and apply UMPC hardware configuration for Ubuntu
git clone https://github.com/wimpysworld/umpc-ubuntu.git
cd umpc-ubuntu
sudo ./umpc-ubuntu.sh enable
Everything seems to work.
Misc issues:
- grub rotated 90 degress
- splash rotated 90 degrees