Lightdm.service & lm_sensors.service

Hello, please someone, im new and i dont know how to fix it.

How/when did this start to hapoen? What did you change? Was it after system update and/or reboot?
Please, post text output in proper code format , not images.

journalctl -b -p3 | cat
cat /var/log/Xorg.0.log* | grep "(EE)"
cat ~/.Xsession* | grep error
mhwd -li
inxi -SGMIxxxz

When I updated gpu drivers…

journalctl -b -p3 | cat

-- Logs begin at Tue 2018-11-20 13:03:55 CET, end at Sat 2018-11-24 10:48:55 CET. --
lis 24 10:46:35 einar systemd-udevd[244]: Specified group 'plugdev' unknown
lis 24 10:46:38 einar kernel: kvm: disabled by bios
lis 24 10:46:39 einar kernel: [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)
lis 24 10:46:39 einar kernel: radeon 0000:01:00.0: disabling GPU acceleration
lis 24 10:46:47 einar kernel: radeon 0000:01:00.0: No VRAM object for PCIE GART.
lis 24 10:46:47 einar kernel: [drm:evergreen_resume [radeon]] *ERROR* evergreen startup failed on resume

cat /var/log/Xorg.0.log* | grep “(EE)”

	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    25.726] (EE) Failed to load module "fbdev" (module does not exist, 0)
[    25.726] (EE) Failed to load module "vesa" (module does not exist, 0)
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    33.105] (EE) Failed to load module "fbdev" (module does not exist, 0)
[    33.105] (EE) Failed to load module "vesa" (module does not exist, 0)

cat ~/.Xsession* | grep error

cat: '/home/einar/.Xsession*': Nie ma takiego pliku ani katalogu

mhwd -li

--------------------------------------------------------------------------------
                  NAME               VERSION          FREEDRIVER           TYPE
--------------------------------------------------------------------------------
           video-linux            2018.05.04                true            PCI


Warning: No installed USB configs!

inxi -SGMIxxxz

System:
  Host: einar Kernel: 4.19.0-3-MANJARO x86_64 bits: 64 compiler: gcc 
  v: 8.2.1 Desktop: Xfce 4.13.2git-UNKNOWN tk: Gtk 3.24.1 info: xfce4-panel 
  wm: xfwm4 dm: LightDM 1.28.0 Distro: Manjaro Linux 
Machine:
  Type: Laptop System: Hewlett-Packard product: HP Pavilion g6 Notebook PC 
  v: 088A120000305910000620100 serial: <filter> Chassis: type: 10 
  serial: <filter> 
  Mobo: Hewlett-Packard model: 183E v: 56.32 serial: <filter> UEFI: Insyde 
  v: F.23 date: 12/27/2012 
Graphics:
  Device-1: Intel 3rd Gen Core processor Graphics vendor: Hewlett-Packard 
  driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:0156 
  Device-2: AMD Thames [Radeon HD 7500M/7600M Series] 
  vendor: Hewlett-Packard driver: radeon v: kernel bus ID: 01:00.0 
  chip ID: 1002:6840 
  Display: x11 server: X.Org 1.20.3 driver: ati,intel,radeon 
  unloaded: modesetting alternate: fbdev,vesa resolution: 1366x768~60Hz 
  OpenGL: renderer: Mesa DRI Intel Ivybridge Mobile v: 4.2 Mesa 18.2.3 
  compat-v: 3.0 direct render: Yes 
Info:
  Processes: 152 Uptime: 11m Memory: 3.75 GiB used: 1.21 GiB (32.4%) 
  Init: systemd v: 239 Compilers: gcc: 8.2.1 Shell: bash v: 4.4.23 
  running in: xfce4-terminal inxi: 3.0.27 

Can you get into xfce, even from TTY with startx ?

systemctl status lightdm
sudo cat /var/log/lightdm/*.log | grep "(EE)"

Have you updated your packages (again) and reboot?

“Can you get into xfce, even from TTY with startx ?”

No, I did not even try. I just tried to ‘sensors-detect’ and it did not help at all.
I have linux for a few days, I do not understand this system yet.

“Have you updated your packages (again) and reboot?”

Nope

Then you should do it first thing.
Read some tutorials about how to troubleshoot.

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