What graphics/video card do you have?
I can hook up 2 monitor to mine. Else, I have to add another video card.
Do you want different (and why wouldn't you) displays on each monitor.
Think your solution is more graphics/video cards in the PC.
We need more information: What motherboard, what video cards, what monitors.
@foscooter -graphics:1gb nvidia Geforce Gt 220(DVI,VGA,HDMI)
-MEMORY:3072mb(1*2048+1*1024)1333mhz ddr3 single channel
-what you mean<Do you want different (and why wouldn't you) displays on each monitor.>
I have 2*22inch. monitors connected allready via vga and dvi outlets,which is at the back of pc... have one more vga outlet but don`t know what it`s for,want to connect extra 2*17 inch monitors..