I recommend starting from the beginning and following the steps below.
Here's where you enter or import your 1099-B in TurboTax:
Followed step 1 and 2 but it did not take me to step 3. it takes me to "Select Your Financial Institution". When I select E-trade, it takes me to the "Let's Find out More About Your Sales" and starts the manual; entry process.
Please feel free to contact Customer Support so you can speak with someone who can assist you.