It is so connected. It's *always* connected.
August 2, 2010 8:32 PM Subscribe
Can Windows be persuaded to ignore lies the BIOS tells it about what video monitors are connected?
posted by flabdablet to computers & internet (8 answers total)
One of my classroom computers (Acer desktop, Windows XP, Intel video) has a data projector connected via VGA, and a flat panel monitor connected via DVI. These two devices are supposed to operate in Intel Dual Display Clone mode.
Intermittently since first set up, and increasingly frequently over the last year, the computer has failed to detect the presence of the data projector on morning startup. This happens whether or not the projector is powered up before the computer, and whether or not the computer or projector or both has been physically unplugged from the mains supply overnight.
The result is that only the flat panel monitor gets a display, and Dual Display Clone mode is not offered as an option by the Intel add-ons to the desktop right-click menus.
The workaround we've been using so far is to restart the computer, at which point Dual Display Clone becomes an available option, and then selecting it. This works every time, but needing to restart is stupid and irritating.
I would like to add some startup script commands to force both VGA and DVI outputs to be active and automatically select Dual Display Clone mode. Could one of you kind folk point me to some XP Intel video driver documentation that would help me do that?