Gefen Dvi Detective N (ext-dvi-edidn) -

• Store EDID information for displays
• Easier to use: External buttons control the programming of an EDID and the protection of the memory inside the unit.
• Keeps computer systems from deactivating inactive DVI ports
• No power required after initial programming step
• Custom Resolutions are available for specific devices

I was facing the issue of connecting my MacBook Pro to an LED system which does not support HDCP, and this product fixed this issue. It's a good advise to anyone facing the same issue.