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I used made up data to create a mock up report. Once i got the approval to move forward with the report, i arranged a new data source with actual data. All my fields and formatting is exactly the same as the mock up, but when i brought the data into PBI, not all my visualiztions updated. So in lieu of having to recreate the visuals, i wanted to know how i could bascially refresh the report with my new data file.
I asked around and googled and someone told me i had to use code and rewrite the data source field, but i am not a coder and don't know how to do that.
It sound as though you may have updated some but not all of the source locations. In the Edit Queries window check the source of the tables being used in the visuals which did not update. You can do this by clicking on the gear icon. 
Then check to see that the correct file is chosen.
If you run into problems, you can send a screenshot so that we can better help you.
Hope this helps!
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