VERSION_ID=“20160130” KDE/LXDE
I was presenting a slide show yesterday and somehow since then the screen does not work any more in Plasma 5. THe startup is normal with the colourful display and the KDE symbol with the progress bar underneath and then it goes black. No mouse - nothing. After a while the blueish green hexagons show but only to 3 quarters of the bottom of the screen, the rest is black. In the black to the left is the mouse pointer but it does not move away from the screen edge. clicking does nothing. I can only use Crtl Alt Backspace to get out and log in again new.
I have this old computer for many years and never had a problem with the settings. The VGA card was detected and it just worked. Only since I plugged in the VGA cable I have this problem. lspci -v shows:
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) (prog-if 0
0 [VGA controller])
Subsystem: Gateway, Inc. Device 016d
Flags: bus master, fast devsel, latency 0, IRQ 29
Memory at 90000000 (64-bit, non-prefetchable) [size=4]
Memory at 80000000 (64-bit, prefetchable) [size=256]
I/O ports at 5110 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 3
Kernel driver in use: i915
Kernel modules: i915
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
Subsystem: Gateway, Inc. Device 016d
Flags: bus master, fast devsel, latency 0
Memory at 93500000 (64-bit, non-prefetchable) [size=1]
Capabilities: [d0] Power Management version 3
The display still works with LXDE which I am using now. Any help is appreciated.
Cheers
uli[/size][/size][/size][/size]
So, tried around. booting with nomodeset gets me inte plasma 5 but only with the resolution 1024x 768. Neither System settings -> Display and Monitor nor xrandr -q shows another option. How do I get my screen settings back???
Thank you for your reply, conram, but this is an old laptop with only 2GB Ram and I have switched of all desktop effects (and installed LXDE in case the KDE desktop is too slow for this old machine). The Plasma 5 was faster than KDE4 and I liked this desktop. What do you mean with “or switch desktop effects to use xrender”?
I mean in the compositor settings for desktop effects if it is turned on under rendering backend, you replace OpenGL with xrender.
Seems you’re out of luck with your graphic card for use in plasma5. If you wish to have a little bit of desktop effects and not
using too much resources of your machine, you can try enlightenment, it is in the openSUSE repository.
Thanks, conram, but the KDE5 worked perfectly for at least half a year until I plugged in the VGA cable for a slide show. I should be able to go back to that because nothing else has changed. how come that now at best I get only 1024x768 instead of 1280x 800 and that only if I boot with nomodeset? Which settings could have been overwritten? On older versions we had the xorg.conf file with all the settings. Where are the settings now and how can I get back to them?
Cheers
Uli
I can’t answer you with that, my apology, I don’t use plasma on a day to day basis and am not too familiar.
Maybe one of the expert here in the forum, might able to help you.
On side note,
Did you try to check the Display and monitor settings in systemsettings5?
There might be a way to change your resolution.
If you boot with “nomodeset”, a generic fallback driver is used which might not support the resolution you want, in particular it doesn’t support wide-screen, just standard VESA modes.
If you have problems without “nomodeset”, it’s this what you should fix.
Which settings could have been overwritten? On older versions we had the xorg.conf file with all the settings. Where are the settings now and how can I get back to them?
xorg.conf can still be used, but probably won’t help you.
I would suggest to reset KDE’s screen settings, that’s the most likely reason for your problems IMHO.
Delete the folder ~/.local/share/kscreen/ for that.
And better remove your changes to the files in /etc/X11/xorg.conf.d/ again.
Thank you, wolfi323, I used the e with grub to boot with nomodeset but without - as described before - I only get the tiled screen where I cannot do anything at all. I will try to reboot (without nomodeset) and go into LXDE and see whether I can change the 50-monitor settings there.
Thank you, Romanator, i entered these settings in 50-screen.conf
linux-top:/etc/X11/xorg.conf.d # cat 50-screen.conf
# Having multiple "Screen" sections is known to be problematic. Make
# sure you don't have in use another one laying around e.g. in another
# xorg.conf.d file or even a generic xorg.conf file. More details can
# be found in https://bugs.freedesktop.org/show_bug.cgi?id=32430.
#
#Section "Screen"
# Identifier "Default Screen"
#
# Device "Default Device"
#
# ## Doesn't help for radeon/radeonhd drivers; use magic in
# ## 50-device.conf instead
# Monitor "Default Monitor"
Section "Screen"
Identifier "Default Screen"
Device "Plasma graphics card"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x800"
EndSubSection
EndSection
#
#EndSection
linux-top:/etc/X11/xorg.conf.d #
made no difference in plasma5 - still get the screen with the hexagons at the bottom and approx 3cm on tob are black with the mouse on the left screen edge and the mouse can move there up and down but not away from the screen edge. No clicking (right or left) changes anything. I tried to reinstall any package with xorg or x11 and that made no difference either.
I am now again in LXDE and the command xrandr gives:
linux-top:/etc/X11/xorg.conf.d # xrandr
Screen 0: minimum 8 x 8, current 1280 x 800, maximum 32767 x 32767
LVDS1 connected 1280x800+0+0 (normal left inverted right x axis y axis) 331mm x 207mm
1280x800 60.00*+ 60.02
1024x768 60.00
800x600 60.32 56.25
640x480 59.94
DP1 disconnected (normal left inverted right x axis y axis)
VGA1 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
linux-top:/etc/X11/xorg.conf.d #
Why is this working with LXDE and not with plasma - is it kdm?
Under that there should be a slider that you can increase decrease the resolution.
Another thing, if you go to your /home/fuerstu/.config/autostart
Do you see any file named plasma, if there is delete it. This happens and I see it
when using another DE.
thanks wolfi323 and conram. In LXDE under system settings is “Resolution: no available resolutions”. And conram - there is no slider neither in plasma5 nor in LXDE. I have the sliders on other computers with a better (newer) network card but not on this computer. There is nothing in the file /home/uli/.config/autostart but I thought it does not work with Tumbleweed anyway.
Wolfi323, I have deleted the kscreen directory and will reboot and try another account and come back in a few minutes with the results.
OK - back to normal - the display is working again in another account and in my home directory. I presume it were the settings in ~/.local/share/kscreen/ which were possibly overwritten when the computer started up with the VGA cable inserted (only just before the login). I have to remember that . Thank you very much for your efforts wolfi323 and conram, I really appreciate it.
Cheers
Uli
