Black screen even USB Live update

Support Graphics & Display
#1

Hi people,

Sorry if this is not the right place to post this, I’m just a regular user who comes here because of need.

So I updated the system recently and after the grub screen I had this black screen with /boot/initramfs-5.4-x86_64.img not found

then I followed the instructions on this post
Stuck after grub /boot/initramfs-5.4-x86_64.img not found

and the screen with the text is gone. But now after the grub screen I only get a completely black screen, my keyboard is out as well and have no clue where to go from here

I’d really appreciate any kind of guidance, this is way beyond my feeble skills

#2

so boot from manjaro iso, connect to internet, and chroot:
sudo manjaro-chroot -a
provide output from:
mhwd-kernel -li && mhwd -l && mhwd -li

#3 
Currently running: 5.15.49-1-MANJARO (linux515)
The following kernels are installed in your system:
   * linux414
   * linux419
   * linux54
> 0000:25:00.0 (0200:10ec:8168) Network controller Realtek Semiconductor Co., Ltd.:
--------------------------------------------------------------------------------
                  NAME               VERSION          FREEDRIVER           TYPE
--------------------------------------------------------------------------------
         network-r8168            2016.04.20                true            PCI


> 0000:2b:00.0 (0300:1002:731f) Display controller ATI Technologies Inc:
--------------------------------------------------------------------------------
                  NAME               VERSION          FREEDRIVER           TYPE
--------------------------------------------------------------------------------
           video-linux            2018.05.04                true            PCI
     video-modesetting            2020.01.13                true            PCI
            video-vesa            2017.03.12                true            PCI


> Installed PCI configs:
--------------------------------------------------------------------------------
                  NAME               VERSION          FREEDRIVER           TYPE
--------------------------------------------------------------------------------
     video-modesetting            2020.01.13                true            PCI


Warning: No installed USB configs!

There is the output after chroot. So 5.15 is running but not installed?

#4

the 5.15 is from the live usb…
rerun update:
pacman -Syyu
if it was sucessfull, uninstall this:
mhwd-kernel -r linux414
then reinstall video drivers:
mhwd -r pci video-modesetting
install:
mhwd -r pci video-linux
exit
reboot and see if it helped

#5

It totally worked!!!

sudo manjaro-chroot -a
pacman -Syyu
mhwd-kernel -r linux414
mhwd -r pci video-modesetting
mhwd -i pci video-linux
exit

thank you very much brahma