**Update** If you upgrade to LION on a Mac, you will need an updated display driver. This is the one that works for me: www.displaylink.com . Hope that helps. **Update* How to setup 3 monitors (add 2 more) to an iMac computer which only has 1 DV output. KWord USB Adaptor: goo.gl Matrox Dual Head 2 Go: amzn.to My Blog Post about Device Synching: brianwong.com
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How to Setup Triple Monitors for Your iMac / Apple Computer