Comments (2)
TL;DR
VirtScreen was not working for me. I manually adjusted the second monitor setup myself using HDMI-1-1 port instead of VIRTUAL1. After that, VirtScreen started working with HDMI-1-1 port without any errors.
Hello @bogdanmitsevski. I have Nvidia graphics card in my laptop and I don't have the VIRTUAL1 option as well.
You can see the available display outputs for me. I tried them one by one and selecting every one of them resulted in some long error. You can see it below.
I manually extend my monitor without VirtScreen. After that, magically VirtScreen started working. Maybe the VirtScreen runs these commands with additional flags and they cause the error, I don't know.
I suggest that ignore any error message and proceed. It worked for me despite a lot of error messages.
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Obtain the required information about the resolution. Change the 1920 1080 resolution values if you like.
$ cvt 1920 1080
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Copy the part of the cvt output and paste it shown below. This will make the output named "1920x1080_60.00" accessible.
$ xrandr --newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync
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Add this new mode to one of the available display outputs. (HDMI-0 or DVI-0 for your case.)
$ xrandr --addmode HDMI-0 1920x1080_60.00
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Finally place the new screen relative to the main screen.
$ xrandr --output HDMI-0 --mode 1920x1080_60.00 --left-of eDP-1-1
To find what is your main screen:
$ xrandr -q
and in the output find the one that says connected primary bla bla..
- At this step, download the arandr, open it and see if HDMI-0 (or which output you choose) is there.
$ sudo apt-get install arandr
$ arandr
ARandR is the GUI for these stuff. We can see HDMI-1-1 there!
- Run the x11vnc and test if the system works.
$ x11vnc -repeat -forever -nopw -multiptr
Now try to connect from your tablet. x11vnc uses port 5900 as default.
This comment contains the knowledge I gathered after I was unable to make VirtScreen work. Hope it helps you or anyone interested :)
from virtscreen.
your trick used to work but probably after some updates or idk, it no longer works, i had this handy script which i used:
sudo xrandr --newmode "2400x1080_60.00" 216.00 2400 2552 2808 3216 1080 1083 1093 1120 -hsync +vsync
sudo xrandr --addmode HDMI-A-0 2400x1080_60.00
sudo xrandr --output HDMI-A-0 --mode 2400x1080_60.00 --left-of eDP
but now whenever i try to run it, the whole system crashes, i get a frozen screen and journalctl shows the following
Jun 30 03:19:13 T14Station sudo[55139]: sotch : TTY=pts/0 ; PWD=/home/sotch ; USER=root ; COMMAND=>
Jun 30 03:19:13 T14Station sudo[55139]: pam_unix(sudo:session): session opened for user root(uid=0) b>
Jun 30 03:19:14 T14Station sudo[55139]: pam_unix(sudo:session): session closed for user root
Jun 30 03:19:14 T14Station kernel: BUG: kernel NULL pointer dereference, address: 0000000000000054
Jun 30 03:19:14 T14Station kernel: #PF: supervisor read access in kernel mode
Jun 30 03:19:14 T14Station kernel: #PF: error_code(0x0000) - not-present page
Jun 30 03:19:14 T14Station kernel: PGD 0 P4D 0
Jun 30 03:19:14 T14Station kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI
Jun 30 03:19:14 T14Station kernel: CPU: 8 PID: 39298 Comm: kworker/u32:5 Tainted: G OE >
Jun 30 03:19:14 T14Station kernel: Hardware name: LENOVO 20XGS05S03/20XGS05S03, BIOS R1NET50W (1.20) >
Jun 30 03:19:14 T14Station kernel: Workqueue: events_unbound commit_work
Any idea? Thanks
from virtscreen.
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from virtscreen.