Archiv:Projector/Lounge

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howto add modeline with cvt and xrandr
If the projector does not promote the right resolutions via DDC aka. the VGA-cable is too long, on Linux try: to create, add and use a modeline, i.e. 1280x720, 60Hz: ~ % cvt 1280 720 60 Modeline "1280x720_60.00"  74.50  1280 1344 1472 1664  720 723 728 748 -hsync +vsync ~ % xrandr --newmode "1280x720_60.00"   74.50  1280 1344 1472 1664  720 723 728 748 -hsync +vsync ~ % xrandr --addmode VGA1 1280x720_60.00 ~ % xrandr --output VGA1 --mode 1280x720_60.00