Hi, I upgraded my system yesterday and the external display stopped working. Did a little research and thought a good idea to downgrade the kernel (can’t say more details as can’t access my computer).
So I installed a previous lts version, deleted the “new” and rebooted.
Now my computer is stuck and not loading anything. No prompt or anything. It just says
/dev/sda3: clean, xxxx/xxxx files, xxxxx/xxxx blocks
Stays there for a while, then
[failed] failed to start VMware networks
Udate: the installed kernel versions I have are
Manjaro Linux (kernel: 4.19.219-1-manjaro x64)
Manjaro Linux (kernel: 4.19.219-1-manjaro x64-ballback intramfs)
None of these works though, it keeps getting stuck at a black screen.
I waited a little longer and after the VMware failed start it displayed
[FAILED] Failed to start pkgfile database update
I don’t know if this is relevant?
Help!
When you rebooted did you choose the kernel you downloaded so it would boot from that kernel.
Hello @Davidajm and welcome 
How did you do this?
Thanks for answering!
In the kernel GUI I deleted the current (newest) version and installed a previous one. I thought that after the reboot it would use the installed kernel version by default as there was not a “choose this kernel” option.
Now I can’t even access my computer!!
Hi!
No, I couldn’t find a “boot with this version” option. I assumed that by just installing it, it would boot with the (now only) version installed.
Apparently it didn’t and I can’t even get a prompt or something!
When you reboot hold the esc or shift key to get to the options and select advanced.Then you will have the option of which kernel to use.
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Pressed shift and now I’m in the manjaro boot menu, went to advanced and there are two versions:
Manjaro Linux (kernel: 4.19.219-1-manjaro x64)
Manjaro Linux (kernel: 4.19.219-1-manjaro x64-ballback intramfs)
Both take me to the same black screen that won’t boot :S