I have a pc with Ubuntu 18.04 with three monitors connected. Two monitors connected with VGA and HDMI to my graphics card (GeForce GT710) and one monitor connected directly to the motherboard (Asus H81M-K).
during boot, all three monitors show image but once ubuntu finishes booting only the monitors connected to the graphics card are recognized. I tried enabling the onboard graphics card in the bios and it still doesn't work.
this the xrandr output:
Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 16384 x 16384
VGA-0 connected 1920x1080+0+0 (normal left inverted right x axis y
axis) 598mm x 336mm 1920x1080 60.00*+ 1680x1050 59.95
1600x900 60.00 1440x900 59.89 1280x1024 75.02
60.02 1280x800 59.81 1280x720 60.00 1152x864 75.00 1024x768 75.03 70.07 60.00 800x600 75.00 72.19 60.32 56.25 640x480 75.00 72.81 59.94 DVI-D-0 disconnected (normal left inverted right x axis y axis) HDMI-0 connected primary 1920x1080+1920+0 (normal left inverted
right x axis y axis) 480mm x 270mm 1920x1080 60.00*+ 74.97
59.94 50.00 1680x1050 59.95 1600x900 60.00 1440x900 59.89 1400x1050 59.98 1280x1024 75.02
60.02 1280x800 59.81 1280x720 60.00 59.94 50.00 1152x864 75.00 1024x768 75.03 60.00 800x600 75.00 60.32 720x576 50.00 720x480
59.94 640x480 75.00 59.94 59.93
does anyone have any idea how i can get my third monitor to be recognized?
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