|If (and only if) the motherboard has an integrated (built-in) graphics controller, then sure, try the board manufacturer.|
If it's an add-in card, once Everest has ID'd it, perform a 'net search for the appropriate driver for your Operating System.
As a rule, (and for best results) you should post your question separately rather than tacking it onto someone else's
Life is hard; it's harder if you're stupid. -John Wayne