Forcing VGA video on for nVidia nv50 (Lenovo T61p)

Nils Kassube kassube at
Sun Jun 2 16:49:15 UTC 2013

BRM wrote:
> I use it in dual monitor mode regularly with the LCD screen and a DVI
> screen; but I need to use the VGA port for some presentations now,
> but...
> If I plug a monitor into the VGA port, it announces itself via EDID,
> is picked up, and KDE's Quick Display manager finds it and works.
> However, I have a projector that doesn't seem announce itself via
> EDID on its VGA (it's old - Mitsubishi XL1U); so KDE Quick Display
> manager won't add the VGA-1 as an option to enable. Xorg doesn't see
> it, so no surprise KDE doesn't either.

I'm not sure if it helps, but have a look at this link:


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