how to go back to form 2106 to fix

You can get back to Form 2106 using the instructions below. Your Form 2106 is generated by TurboTax based on your entries for your Schedule C.  

Form 2106 is used to report Employee Business Expenses.

You can get to those screens in TurboTax as follows:

1. Click on your search icon at the top right of your TurboTax screen.
2. In the search bar, type "Form 2106"
3. Click on the link "Jump to Form 2106"
4. You can edit your business expenses for your Form Schedule C by clicking on "Edit"

Your screen will look something like this:

Click here for About Form 2106, Employee Business Expenses

Click here for "20 Tax Deductions for Self-Employed People"

Click here for "Taking Business Tax Deductions"

Click here for "What can I write off as a business expense?"