Second display stopped working

Greetings all,
I have an Intel-based 20" iMac, running 10.5.8. For over 2 years I've been using a second monitor by way of the mini DVI adaptor on the back. Just last week the iMac stopped recognizing the second monitor so to speak (screen stays black, but I can grab things like Finder windows and drag them over to where the second monitor should be, and if i disconnect the cable from the iMac to the second monitor, then reconnect it toggles like it wants to recognize it, but doesn't complete it). I checked the monitor, and it does work with a different computer. I also purchased a new dvi-mini dvi connector through Apple hoping that would fix it. I attached the new connector and my computer recognized my monitor and everything was fine, for one day. Now it's not recognizing it again. Anyone have this problem? Any solutions?

Hey - I was just wondering if you'd had any resolution to your issue of the second monitor not working? I just came home from being out of town and my second monitor has stopped working? It shows as though it is in stand-by (according to the power button) but nothing more. Not really sure what to do as I've already checked all the connections and etc. Assistance would be greatly appreciated!

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Hello @Pandapower,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
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http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
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