huh? oh your on a emac, does that support extended desktop mode, if not then I have no idea, I've only used dual monitors on my macbook pro.
Yea i didnt have to use screen spanning doctor, it did it on its own
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Its expandable
I did this since i dont have enough money for a new computer so i made the best of my eMac just upgrading it little bit here and there and this is where i got to