haggy, your registry setting looks good.

Your screenshot shows an Intel Display Driver.  Go ahead and uninstall that driver and remove the driver files, it isn't helping anything (onboard graphics should be disabled in bios anyhow).

In device manager, did you try sorting "by connection"?  That will hopefully show you the conflicting device using the same IRQ or port/memory address.

I'm cheering for you to get up and running...