“Failed to start Simple Desktop Manager.See ‘systemctl status sddm.service’ for details” (SDDM core dump)

You can still switch to the TTY via CTRL+ALT+F3 and login with your user. Then you may try to update your system via sudo pacman -Syyu. Try to reboot. Most likely there is an issue with your graphical driver. Check if you find some issue for it: less /var/log/Xorg.0.log Quit with :q.

Thank you for replying! Tried updating already didn’t help… And yes it seems it is with graphical driver, there is errors in that file… I dont wanna take photo of that is there is way to share log by somehow copying it? Sorry I am totally novice…

What kind of graphic card do you have? Which packages got updated exactly?

Intel HD Graphics 5500 and Lenovo Radeon R9 M375

About package thats the thing I am not sure… It was in hardware section in system settings

this makes sense as they might collide somehow. You can check which driver is currently running via: hwinfo --gfx

After running command it displayed that it is Intel. What is next?

Intel normally just runs fine. However you can try to remove the xf86-video-intel driver, which is known to make troubles: sudo pacman -Rdd xf86-video-intel Then try to reboot.

When I rebooted it got stuck on

Starting version 239
/dev/sd2: clean
And some files and blocks

Maybe this will help more
I runned command

Sudo Paxman - Qs xf86-video

It gave me 3 results
Amdgpu
Ati
Vesa

What were the commands?
When your stuck after boot, go to TTY and restart sddm, to see if it can start.

sudo systemctl restart sddm

It maybe sddm starts sooner than it soon. If It can be started from TTY you can configure some pause, so it can start.

For general troubleshooting and posting info, please read this topic (also with how to post info through TTY)

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Thank you for link!
after running

sudo systemctl restart sddm

nothing changed

I tried command

startx

result was: unable to connect to X server: Connection refused

so I checked the Xorg.0.log

[ 19998.880] (WW) Failed to open protocol names file lib/xorg/protocol.txt
[ 19998.882] 
X.Org X Server 1.20.1
X Protocol Version 11, Revision 0
[ 19998.887] Build Operating System: Linux Arch Linux
[ 19998.889] Current Operating System: Linux paulius-pc 4.15.18-3-MANJARO #1 SMP PREEMPT Fri Jun 8 06:18:41 UTC 2018 x86_64
[ 19998.889] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.15-x86_64 root=UUID=79aff668-f22e-474d-a12e-381e8909dac1 rw reboot=acpi quiet resume=UUID=b96a84bb-788d-41ab-abd3-8b9e7f9b0f81
[ 19998.892] Build Date: 09 August 2018  06:37:34PM
[ 19998.894]  
[ 19998.895] Current version of pixman: 0.34.0
[ 19998.898] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[ 19998.898] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 19998.905] (==) Log file: "/home/paulius/.local/share/xorg/Xorg.0.log", Time: Mon Sep 10 15:17:20 2018
[ 19998.906] (==) Using config directory: "/etc/X11/xorg.conf.d"
[ 19998.907] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 19998.907] (==) No Layout section.  Using the first Screen section.
[ 19998.907] (==) No screen section available. Using defaults.
[ 19998.907] (**) |-->Screen "Default Screen Section" (0)
[ 19998.907] (**) |   |-->Monitor "<default monitor>"
[ 19998.907] (==) No device specified for screen "Default Screen Section".
	Using the first device section listed.
[ 19998.907] (**) |   |-->Device "Device0"
[ 19998.908] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[ 19998.908] (==) Automatically adding devices
[ 19998.908] (==) Automatically enabling devices
[ 19998.908] (==) Automatically adding GPU devices
[ 19998.908] (==) Automatically binding GPU devices
[ 19998.908] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 19998.908] (WW) The directory "/usr/share/fonts/OTF" does not exist.
[ 19998.908] 	Entry deleted from font path.
[ 19998.908] (WW) The directory "/usr/share/fonts/Type1" does not exist.
[ 19998.908] 	Entry deleted from font path.
[ 19998.908] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/100dpi".
[ 19998.908] 	Entry deleted from font path.
[ 19998.908] 	(Run 'mkfontdir' on "/usr/share/fonts/100dpi").
[ 19998.908] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/75dpi".
[ 19998.908] 	Entry deleted from font path.
[ 19998.908] 	(Run 'mkfontdir' on "/usr/share/fonts/75dpi").
[ 19998.908] (==) FontPath set to:
	/usr/share/fonts/misc,
	/usr/share/fonts/TTF
[ 19998.908] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 19998.908] (WW) Ignoring unrecognized extension "Composite"
[ 19998.908] (**) Extension "RENDER" is enabled
[ 19998.908] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 19998.908] (II) Module ABI versions:
[ 19998.908] 	X.Org ANSI C Emulation: 0.4
[ 19998.908] 	X.Org Video Driver: 24.0
[ 19998.908] 	X.Org XInput driver : 24.1
[ 19998.908] 	X.Org Server Extension : 10.0
[ 19998.908] (++) using VT number 3

[ 19998.910] (II) systemd-logind: took control of session /org/freedesktop/login1/session/c1
[ 19998.911] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 19998.911] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 10 paused 0
[ 19998.913] (--) PCI:*(0@0:2:0) 8086:1616:17aa:3824 rev 9, Mem @ 0xc0000000/16777216, 0xb0000000/268435456, I/O @ 0x00004000/64, BIOS @ 0x????????/131072
[ 19998.913] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[ 19998.913] (II) LoadModule: "glx"
[ 19998.913] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 19998.914] (II) Module glx: vendor="X.Org Foundation"
[ 19998.914] 	compiled for 1.20.1, module version = 1.0.0
[ 19998.914] 	ABI class: X.Org Server Extension, version 10.0
[ 19998.914] (II) LoadModule: "vesa"
[ 19998.914] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 19998.914] (II) Module vesa: vendor="X.Org Foundation"
[ 19998.914] 	compiled for 1.20.0, module version = 2.4.0
[ 19998.914] 	Module class: X.Org Video Driver
[ 19998.914] 	ABI class: X.Org Video Driver, version 24.0
[ 19998.914] (II) VESA: driver for VESA chipsets: vesa
[ 19998.914] xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
[ 19998.914] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[ 19998.914] (II) Loading sub module "vbe"
[ 19998.914] (II) LoadModule: "vbe"
[ 19998.914] (II) Loading /usr/lib/xorg/modules/libvbe.so
[ 19998.914] (II) Module vbe: vendor="X.Org Foundation"
[ 19998.914] 	compiled for 1.20.1, module version = 1.1.0
[ 19998.914] 	ABI class: X.Org Video Driver, version 24.0
[ 19998.914] (II) Loading sub module "int10"
[ 19998.914] (II) LoadModule: "int10"
[ 19998.914] (II) Loading /usr/lib/xorg/modules/libint10.so
[ 19998.914] (II) Module int10: vendor="X.Org Foundation"
[ 19998.914] 	compiled for 1.20.1, module version = 1.0.0
[ 19998.914] 	ABI class: X.Org Video Driver, version 24.0
[ 19998.914] (II) VESA(0): initializing int10
[ 19998.914] (EE) VESA(0): Cannot read int vect
[ 19998.914] (II) UnloadModule: "vesa"
[ 19998.915] (II) UnloadSubModule: "int10"
[ 19998.915] (II) Unloading int10
[ 19998.915] (II) UnloadSubModule: "vbe"
[ 19998.915] (II) Unloading vbe
[ 19998.915] (EE) Screen(s) found, but none have a usable configuration.
[ 19998.915] (EE) 
Fatal server error:
[ 19998.915] (EE) no screens found(EE) 
[ 19998.915] (EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[ 19998.915] (EE) Please also check the log file at "/home/paulius/.local/share/xorg/Xorg.0.log" for additional information.
[ 19998.915] (EE) 
[ 19998.933] (EE) Server terminated with error (1). Closing log file.

You may need to update your kernel and your system, as well as install some GPU driver with mhwd.

Could you please you be more specific with commands please.? Would really appreciate!

Please make sure your system is up to date with the command,
sudo pacman -Syyu
Did we already do that from post #2?

Also did you check this file
(EE) Please also check the log file at "/home/paulius/.local/share/xorg/Xorg.0.log" for additional information.

Yes I already updated system with that command.
And the info from the file is on #11 posts

I regret I will not. This is too basic stuff to give you commands. You have to search for once. You 'll need it in the future. Even if Manjaro is not Archlinux, there are some borderlines to learning nothing at all :smirk:

You have a kernel (4.15) that has been removed from Manjaro repos, thus you have to use another kernel, for example 4.18 or 4.9. You maybe able to do it via MSM GUI.
Then, after reboot to your new kernel, you have to remove kernel 4.15, again from MSM or mhwd (cli utility).

Side Note: As you can see I am not that lazy, I wrote so much to help you, so please, respond as well. :wink:

It looks like you do not even have a driver for your graphics card installed but since we have no hardware info yet I really can not tell for sure.
You could try installing a video driver that matches your card via the wiki
https://wiki.manjaro.org/index.php/Configure_Graphics_Cards

So commands like
mhwd -h
forgot to mention
mhwd-kernel -h

This is a problem too, now we have no idea what happened.

If this is a brand new install or an upgrade from 2 years ago please save us all the time and start over.

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Will start over… Sorry for your time…

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Its no big deal but you will save time too not just me. :wink:

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