Playing with different resolutions and rates using xrandr solved the
problem for me on a DELL XPS 15 with Ubuntu 18.04. If I go with a
resolution of 1920x1080 and a rate of 60 Hz the TV shows a black screen.
Changing to other modes and rates solves the problem. For example,
typing in a terminal
Just upgraded to 18.04.03 and thought I'd check if there was any action on
this, but alas, no change. I see you were asking for a journalctl dump. Here's
mine from today attached. H/W & driver details are:-
*-display UNCLAIMED
description: VGA compatible controller
product:
I upgraded my system to the 5.0 kernel of 18.04.3 recently, but the
external monitor is still not detected and also xrandr still lists HDMI
as disconnected. I was hoping badly for an improvement, but so far it
does not seem as if someone is working on this bug.
** Changed in: xorg-server (Ubuntu)
I have similar problem.
Acer Aspire VN7-792G with Nvida GeForce 960M and Ubuntu 18.04.2 LTS.
Try to connect to monitor Asus vx239h.
Sometimes it turns out to connect a second screen as an extension of the
screen, for example, if you go into console mode and return. It works
for a while, when you
I have similar problem.
imac 27" with Ubuntu 18.04 LTS, 4.18.0-25-generic
Thunderbolt display
VGA compatible controller: NVIDIA Corporation GK104M [GeForce GTX 775M Mac
Edition] (rev a1)
Sometimes, after logging in, both screens are on.
After shutdown, the second screen sometimes is off.
Then,
I can confirm that the drivers don't get loaded in 18.04 even though they are
installed. This is also what I get when running nvidia-settings from terminal.
ERROR: NVIDIA driver is not loaded
ERROR: Unable to load info from any available system
$uname -a
Linux laptop 4.18.0-25-generic
I got it fixed after upgrading from 18.04 to 19.04, but it was not
upgrading that solved it. The issue is still there in 19.04.
The solution for me was disabling secure boot, purging the nvidia
drivers and then reïnstalling them.
Apparently when secure boot is on, the nvidia-drivers do get
Also affecting me. Dell Inspiron 5379
Linux danny-Inspiron-5379 5.0.0-13-generic #14-Ubuntu SMP Mon Apr 15 14:59:14
UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=19.04
DISTRIB_CODENAME=disco
DISTRIB_DESCRIPTION="Ubuntu 19.04"
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For me, updating drivers solved the issue. I have got Intel controller:
$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620
(rev 02)
This is how to update drivers:
sudo add-apt-repository ppa:oibaf/graphics-drivers
sudo apt-get install
Im having a similar problem. I have a ThinkPad T520, running xfce 4.12
on ubuntu 18.04.
I have tried this command with and without '--auto':
'xrandr --output LVDS-1 --auto --same-as DP-1-1'
Here is my xrandr output:
Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
LVDS-1
I can also confirm the problem. The Ubuntu 18.04LTS (updated everything)
does NOT sense when I disconnect the HDMI. There is no change in /sys.
This uis the mainb problem, I guess. The events does not generate screen
switching.
Very annoying when the screen locked and disconnected from external
Still happens here on a HP Pavilion. I have tried the intel onboard
video, the nvidia, with the nvidia drivers. If it's of hep the xrandr
output shows: HDMI-1 disconnected, so it is seen but not activated. When
booting in Windows all works fine...
Screen 0: minimum 320 x 200, current 1920 x 1080,
Thought I'd add my 2 cents worth. I only just tried adding a second monitor in
addition to my laptop a few days ago and had this problem. Tried many of the
suggested solutions - none worked. Works OK in windows 10. Also works OK in
16.04. Tried using a HDMI to digital adapter at the monitor -
I've got the same problem after the latest update.
My journalctl have no reaction to hdmi connection/disconnection.
But I have reaction for VGA connection:
Jan 24 13:16:48 WinXP gnome-shell[2597]: Object St.Icon (0x55e677b43b90), has
been already finalized. Impossible to set any property to it.
Could those having this issue add their journalctl log from a session
where they try to connect the other monitor? And also give details of
the video cards/drivers you use and what screen are connected and using
what ports/adaptors/etc?
** Changed in: libxrandr (Ubuntu)
Importance: Undecided
Same here: Asus Zenbook UX410UA, i7-8550U, Intel UHD 620, Ubuntu
18.04.1.
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Title:
Secondary monitor not connecting in 18.04 LTS
To manage
So, seems I have figured out the issue (at least on my Lenovo T460s) and
I think it lies with the Intel chip internal GPU.
If you use display port and HDMI-->Display Port adapter it won't work.
The Intel chip doesn't seem to support two DP connections at a time. But
you can connect Dp &
Same here. Lenovo T460s (Intel only). Cannot use HDMI to Display Port.
HDMI to VGA works though on the same port!! The below is with HDMI->VGA.
With HDMI->DP it just doesn't recognise the display.
Screen 0: minimum 320 x 200, current 3840 x 2160, maximum 8192 x 8192
eDP-1 connected primary
FYI, HDMI output works when I switch to a terminal using CTRL_ALT_F3. It
seems to not work only in graphics mode.
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Title:
Secondary monitor not
I have the same issue here:
xrandr output:
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
LVDS-1 connected primary 1366x768+0+0 (normal left inverted right x axis y
axis) 353mm x 198mm
1366x768 60.00*+
1360x768 59.8059.96
1280x720 60.00
Good day,
I have tha same issue with my integrated Intel videocard. It comes at
first time at spring...still do not know how can solve it. I used to
start to reinstall and update packages (sometimes works) or just
reinstall Ubuntu.
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x
I have basically the same problem. I was using 18.04LTS on a HP ZBook15
laptop and also wanted to connect an external monitor by using the HDMI
interface. I have 2 graphics cards intel(i915) + NVidia(390drivers), and
whatever I chose in prime-select/Nvidia-settings, the external monitor
did not
Me to. Would love to be able to use my HDMI monitor:
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 344mm x 193mm
1920x1080 60.06*+ 60.0159.9759.9659.9340.04
Same problem, no external monitor via HDMI detected:
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
eDP-1-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 309mm x 173mm
1920x1080 60.03*+ 60.0159.9759.9659.9348.03
PS: workaround by Mihai to mirror displays works for me too, to get
something on the external display. Same as for Mihai, the display is not
listed anywhere.
Here is the xrandr output:
xrandr
Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
eDP-1 connected primary
Also affected with Asus Zenbook UX31E and Ubuntu 18.04.01.
Cannot connect external display via HDMI. Tried to add the hdmi output
manually with xrandr as well but I cannot get the external display to be
listed anywhere.
xrandr program version 1.5.0
Server reports RandR version 1.5
Looks
Same problem with ASUS S406 (no graphic card, CPU i5-8250U)
The most awkward thing is sometimes it is working, sometimes it's not. I
can't figure out why. When not working, even a restart does not re-
enable it but xrandr can enable mirroring laptop display.
Any advice?
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I have a dell inspiron 15 5000 2 in 1, Running ubuntu 18.04, and I am
also affected by this bug. I have a DELL U2414M monitor.
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Title:
Secondary
I have a Dell XPS-15 9570 and I am also affected by this bug.
I am currently running 18.10.
The external monitor does not work with HDMI at all - when I plug it in
to the machine, the monitor switches to low power mode.
The same monitor is working fine over HDMI with a Dell M3800 running
16.04
Hi,
I think I have the same problem. I have a Latitude 7390 with the WD15
Dock.
I get a connection to the Display Port and VGA but not to the HDMI Port.
I have connect my second monitor with HDMI, but it isnt working.
$ xrandr
Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 8192 x
Hi guys,
i think, i have the very same problem... but i use AMD video. I'd like
to find out if it is the same issue or a different bug. However i cannot
use my second monitor...
Any suggests?
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: libxrandr (Ubuntu)
Status: New => Confirmed
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Title:
Found a workaround:
xrandr --addmode HDMI-1-2 1920x1080
xrandr --output HDMI-1-2 --mode 1920x1080
This sequence of commands enables clone display. However, I still don't
see anywhere in Displays/Monitors the secondary display.
Here is the xrandr output (while projector is on):
** Description changed:
I have an Acer Aspire V Nitro VN7-592G-709V with Nvidia Geforce 960M
(nvidia driver v390) and a Benq W1070 projector.
I have upgraded from Ubuntu 16.04 to 18.04 and my projector connects for
a split second and then gets disconnected. In Ubuntu 16.04 projector
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