Re: Dell Precision M6600, Optimus and DVI/Displayport not initialed at boot time
From my information you can go into the BIOS and disable Optimus. The Optimus setting should be listed under the video section. This isn't perfect but right before you dock the system disable Optimus, then you can shut down and dock the system. Then crank it up and the Nvidia GPU should take over and you can use the display ports. If you have not tried this give it a shot and let me know the results.
The only other option is to undock the notebook when you want to go into the BIOS. This may well be as the system was designed, so I can’t promise any fixes. If any become available to help power these video ports outside of Windows I will certainly post them here.
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