Extraction

I am having an issue when trying to extract a large database through Tableau. I have it hooked up to the Salesforce WebAPI and am using it through my System Administrator account. Whenever I try to extract my large Contacts database, it continuously fails with a generic error "Tableau failed to...

computer will not start up until I plug the monitor cable into the add in graphics card connector. This may require a video adaptor or video adapter cable. (unsupported video configuration detected)