The w2 downloaded from my employer is empty so how do reprocess the download?

 First, delete the W-2 by follow the instructions below.

How do I delete a W-2?

 

Then, import the W-2 again by following the instructions below.

How do I import or enter my W-2? - TurboTax

 

You can also manually enter your W-2. We've got instructions for TurboTax Online and the TurboTax mobile app.