When installing Ubuntu on a PC with an AMD APU like Athlon 200GE / Ryzen 2200G / Ryzen 2400G processor, the boot process doesn't complete and the screen remains black.
The OS won't boot after the live CD screen.
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1. Launch your kernel with "nomodeset" option:
During the boot process, press and hold SHIFT key. Now you can see the grub menu.
Press e key on first line to edit it.
Go to line with the
quiet splashsentence. Something like:
linux /boot/vmlinuz-4.15.0-xx-generic root=UUID=xxxx-xxxx-xxxxx ro quiet splash.
nomodeset option between
quiet splash. You must
see someting like:
linux /boot/vmlinuz-4.15.0-xx-generic root=UUID=xxxx-xxxx-xxxxx ro nomedeset quiet splash.
Press Ctrl + X to boot the kernel.
2. Proceed with the installation of your distro normally
After the installation and reboot, if the screen remains black on the boot process, repeat the step 1, now editing the options for your installed Linux.
3. Update your kernel to, at least, 4.19
Download the .deb files below on this link: https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19/
linux-headers-4.19.0-xxxxxx_all.deb linux-headers-4.19.0-xxx-generic(/lowlatency)_xxx_amd64(/i386).deb linux-modules-4.19.0-xxx-generic(/lowlatency)_xxx_amd64(/i386).deb linux-image-xxx-4.19.0-xxx-generic(/lowlatency)_xxx_amd64(/i386).deb
generic for common system, and
lowlatency for a low latency system (e.g. for recording audio),
amd64 for 64bit system,
i386 for 32bit system, or armhf, arm64, etc for other OS types.
On the folder you downloaded the kernel deb files, open a terminal and run:
sudo dpkg -i *.deb
4. Restart your computer
And you are done.