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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 06-02-2020, 08:39 AM   #1
aayudh
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Registered: Nov 2008
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trying to use my android device as 3rd display


Hi

I currently use usb-c to HDMI to a my second screen monitor.

I want to extend this display so I can VNC the extra virtual display to my android.

I am following commands

gtf 1080 2280 59

xrandr --newmode "1080x2280_59.00" 208.13 1080 1168 1288 1496 2280 2281 2284 2358 -HSync +Vsync

xrandr --addmode DP-2 1080x2280_59.00

xrandr --output DP-2 --mode 1080x2280_59.00 --right-of eDP-1
xrandr: Configure crtc 2 failed

The last command is failing with the above message. I am not sure whats wrong ? Is there any way to understand the issue ?
 
Old 06-03-2020, 08:45 AM   #2
smallpond
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Can you add "--verbose" to the command and post the output?
 
Old 06-04-2020, 01:24 PM   #3
aayudh
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Thanks for looking into this.
this is the output I got.

screen 0: 4920x2280 1298x601 mm 96.25dpi
crtc 2: 1080x2280_59.00 59.00 +3840+0 "DP-2"
xrandr: Configure crtc 2 failed
crtc 0: disable
crtc 1: disable
crtc 2: disable
screen 0: revert
crtc 0: revert
crtc 1: revert
crtc 2: revert
 
  


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