Laptop Adapter and Revit Graphics

I was using my Dell laptop away from my desk the other day and noticed that Revit was running sluggishly.  It seemed to open just fine, but was very slow when placing walls, ducts, components, as well as trying to select items.  I tried various things to speed up Revit, but didn’t find anything to help.  All other programs and functionality of the computer seemed to operate just fine.  The next day, I was back working at my desk and Revit ran its normal speed.  I was pleased.  A couple of days later, I noticed Revit running sluggish again.  Thus began my journey of determining what was causing the Revit performance issue.

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