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Forums -> Multiple monitors -> Why does a monitor have to be set as primary?
Peter   2007-02-13 00:07
Does anyone know the technical reason why certain monitors have to be set as primary in order for a system to work, with respect to Windows XP/2003 etc in particular? Is this a device driver flaw, and if so is it possible to devise some way around it?
Christian Studer   2007-02-14 10:09
Do you mean primary in the BIOS?

This is necessary for some older video cards, as far as I know it's due to the display driver needing access to the video card's BIOS, which on Windows 2000/XP and later is only possible if the card is the primary card in BIOS.

Christian Studer - www.realtimesoft.com
Forums -> Multiple monitors -> Why does a monitor have to be set as primary?

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