startx
And the end of log file:
Sorry for the pictures, I can not use my pc.
Hello and welcome to the Manjaro Community!
I will have a go at converting your images to text, if that’s OK. Bear with me. 
Will the system boot properly from a Live USB? (The one you used to install with should be fine, although the latest .ISO is normally recommended).
I’ve also added an Nvidia tag, in case that helps.
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Thanks, I dont know with Live USB, because I can not configurate my USB with another PC, I just have this. (I use this manjaro for about 3 years, but yesterday I do an updated then today broke)
Can you get into a TTY with e.g. CTRL + ALT + F4? (Try others. Two seem to be tied to a graphical display on my system (I’m using Wayland)).
From what I can tell, it’s an Nvidia driver issue, but you probably already know that. … Or maybe a kernel issue; this sort of thing can happen if you still run an outdated kernel.
Edit: I see you’re on 6.6x which should be OK in that respect.
Of course, I run the commands in the image into a TTY. I can run commands if its the question.
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If the issue is due to the propietary Nvidia driver may be helpful installing the free driver:
sudo mhwd -a pci free 0300
If this works, make a snapshot with Timeshift and then try to reinstall the propietary driver.
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I did manage to extract some of the text from the first image:
~ > startx
Fatal server error:
(EE) no screens found (EE)
Please consult The X.Org Foundation support
at http://wiki.x.org
(EE) Please also check the log file at "/home/wellington/.local/share/xorg/Xorg.0.log" for additional information.
(EE) Server terminated with error (1). Closing log file.
xinit: giving up
xinit: unable to connect to X server: Connection refused
xinit: server error
>
Silly me: I seem to have overlooked startx. I’d try what @Arrababiski suggests.
Not having Nvidia means I don’t get to see these issues.
What you could do, assuming you have internet connectivity (try ping -c3 https://www.manjaro.org for example) is use a pastebin service to post Terminal output:
<command> | curl -F 'file=@-' https://0x0.st
… is often recommended.
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Am I missing something, or are you combining a current NVIDIA driver from Unstable with a kernel that is months out-of-date?
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