After installation nothing posts on screen when turned on

Nono this is the recovery mode I can only get a boot if I go to advanced and boot from recovery there. I can't boot normally it just shows a pixelated screen

I understand. You are only able to boot to the desktop by using recovery mode to do so.
This definitely points to a Graphics issue. The drivers you have should be sufficient. You may need further boot parameters.
Can you please try the grub parameter radeon.dpm=0

Which line should I be inserting this

I did try and ssomething like this came

Arrow key down to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" and place your parameter within the quotation tags. For example if you are adding the nomodeset parameter, it would look like:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset"

In your case, it would look like: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.dpm=0"

Alright done now reboot?

yup, reboot to test

Alright rebooted normally without recovery still issue persist

Ok, please replace that parameter with amdgpu.dc=0

It would look like: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash amdgpu.dc=0"

No luck still the same

I am not sure of others we can try... may need to try some Internet searches. Currently, I need to go take care of other things and will be offline for a while.

Sure man thanks for the help

Hope this will help btw I can connect to the internet now using my phone and a usb connection

Question: Does it work if you boot into the LiveCD?

Also: If you have a Mobile phone that allows USB tethering, plug the phone into the computer via usb, enable tethering, reboot. and then try update / upgrade suggested by @Storm

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Let's try:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.modeset=0"

Don't forget to run
sudo update-grub

No nothing screens dead and even other os does the same thing (pixelated screen from live boot) so if my gpus dead

Doesnt work :melting_face:

Try taking the card out, and putting it back in in case there's any oxidization in the contacts. And make sure all the wires are tight,

if that fails, are you comfortable with taking hardware apart? a radeon 5k is an older card and there is a good probability the thermal paste is shot, if you are up to it, take the card out, take it apart, clean the die with rubbing alcohol reapply a dap of new paste and reassemble and try again.


Maybe it's time to look at purchasing a newer video card. If the motherboard has integrated graphics, possibly leaving the video card out for now.

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