Sick of your system being bogged down by the overhead of the autocalculations for the Date/Time fields. Here is how you disable that feature:
Inside Power BI
Go to File
Click Options and Settings
Select Options
Find GLOBAL and look at the options below it
Select Data Load
Uncheck Auto date/time for new files
Find CURRENT FILE and look at the options below it
Select Data Load
Uncheck Auto date/time