another monitor with hdmi

I’m using kde
How do I use another monitor with hdmi cable?
When turning on, the pc screen the resolution changes, but the screen of the new monitor remains black.

Does key sequence Ctrl-Alt-F6, Alt-F7 change anything?

What are the native resolutions of the two displays?

Which cable type is connected to the first display?

Please show output from

inxi -Ga

while both are connected.

When I press Ctrl-Alt-F6, Alt-F7 the screen shows part of the content for less than a second and returns to showing only an area without images.
Resolution my PC = 1366 x 768
Which cable type is connected to the first display? My PC is an All In One


sergio@positivo:~> inxi -Ga
Graphics:  Device-1: Intel Atom Processor Z36xxx/Z37xxx Series Graphics & Display vendor: Holco Enterprise Co /Shuttle 
           driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:0f31 
           Device-2: Acer type: USB driver: uvcvideo bus ID: 1-3.3:4 chip ID: 5986:053a serial: 130123 
           Display: x11 server: X.Org 1.20.3 compositor: kwin_x11 driver: modesetting unloaded: fbdev,vesa alternate: intel 
           display ID: :0 screens: 1 
           Screen-1: 0 s-res: 3286x1080 s-dpi: 96 s-size: 867x285mm (34.1x11.2") s-diag: 913mm (35.9") 
           Monitor-1: eDP-1 res: 1366x768 hz: 60 dpi: 78 size: 443x249mm (17.4x9.8") diag: 508mm (20") 
           Monitor-2: HDMI-1 res: 1920x1080 hz: 60 dpi: 102 size: 480x270mm (18.9x10.6") diag: 551mm (21.7") 
           OpenGL: renderer: Mesa DRI Intel Bay Trail v: 4.2 Mesa 19.3.4 compat-v: 3.0 direct render: Yes 
sergio @ positive: ~> Graphics: Device-1: Intel Atom Processor Z36xxx / Z37xxx Series Graphics & Display vendor: Holco Enterprise Co / Shuttle [1] 6512 If 'Graphics:' is not a typo, you can use command-not-found to search for the package that contains it, like this:     cnf Graphics: If 'Display' is not a typo, you can use command-not-found to search for the package that contains it, like this:     cnf Display [1] + End of execution with status 127 Graphics: Device-1: Intel Atom Processor Z36xxx / Z37xxx Series Graphics sergio @ positive: ~> driver: i915 v: kernel bus ID: 00: 02.0 chip ID: 8086: 0f31 If 'driver:' is not a typo, you can use command-not-found to search for the package that contains it, like this:     cnf driver: sergio @ positive: ~> Device-2: Acer type: USB driver: uvcvideo bus ID: 1-3.3: 4 chip ID: 5986: 053a serial: 130123 If 'Device-2:' is not a typo, you can use command-not-found to search for the package containing it, like this:     cnf Device-2: sergio @ positive: ~> Display: x11 server: X.Org 1.20.3 composer: kwin_x11 driver: modesetting unloaded: fbdev, vesa alternate: intel If 'Display:' is not a typo, you can use command-not-found to search for the package that contains it, like this:     cnf Display: sergio @ positive: ~> display ID:: 0 screens: 1 display: unable to open image 'ID:': File or directory not found @ error / blob.c / OpenBlob / 3376. display: no decode delegate for this image format `'@ error / constitute.c / ReadImage / 512. display: unable to open image ': 0': File or directory not found @ error / blob.c / OpenBlob / 3376. display: no decode delegate for this image format `'@ error / constitute.c / ReadImage / 512. display: unable to open image 'screens:': File or directory not found @ error / blob.c / OpenBlob / 3376. display: no decode delegate for this image format `'@ error / constitute.c / ReadImage / 512. display: unable to open image '1': File or directory not found @ error / blob.c / OpenBlob / 3376. display: no decode delegate for this image format `'@ error / constitute.c / ReadImage / 512. sergio @ positive: ~> Screen-1: 0 s-res: 1366x768 s-dpi: 96 s-size: 360x202mm (14.2x8.0 ") s-diag: 413mm (16.3") bash: syntax error next to unexpected token `(' sergio @ positive: ~> Monitor-1: eDP-1 res: 1366x768 hz: 60 dpi: 78 size: 443x249mm (17.4x9.8 ") diag: 508mm (20") bash: syntax error next to unexpected token `(' sergio @ positive: ~> OpenGL: renderer: Table DRI Intel Bay Trail v: 4.2 Table 19.3.4 compat-v: 3.0 direct render: Yes 

Please in a freshly opened session with only Konsole running, do the above, then before doing anything else, run the following command in Konsole and report the resulting URL here in your next thread response:

susepaste -n sergelli /var/log/Xorg.0.log

Resolution my PC = 1366 x 768
Which cable type is connected to the first display? My PC is an All In One


sergio@positivo:~> inxi -Ga
Graphics:  Device-1: Intel Atom Processor Z36xxx/Z37xxx Series Graphics & Display vendor: Holco Enterprise Co /Shuttle 
           driver: i915 v: kernel bus ID: 00:02.0 **chip ID: 8086:0f31**...

The chip ID indicates an 8 year old technology, so it should be working. X itself is working, or the specifications for Screen and Monitors would not be there with such detail.

If you move the mouse off the internal screen (to the right), does it show up on the 1920x1080 screen?

Have you tried running Plasma as a Wayland session instead of Xorg?

If you log into an IceWM session from the login screen, are the expected results the same?

xrandr --output eDP-1 --mode 1366x768 --primary --output HDMI-1 --mode 1920x1080

If you enter this xrandr command in Konsole, is there improvement? If not, if you run it again except with 1366 changed to 1360, is there improvement?

In /etc/X11/xorg.conf.d/ is there any filename ending in intel.conf? If yes, please show its content here. If no, is there any file in that location ending in .conf that contains an uncommented line that includes the word “modesetting”? If yes, try changing it to “intel” and restarting X.

After running the line below the monitor worked


xrandr --output eDP-1 --mode 1366x768 --primary --output HDMI-1 --mode 1920x1080

Thanks a lot for the help