Once you enter that specific User ID, click Continue, then enter your password and click Continue once more. Please note that this User ID would have been established when you opened this specific account and may be different than the User ID you typically used. The application will restart, download the necessary files, and take you to the login screen again.
To do so on thinkorswim desktop, follow the steps below: In the interim, if you are looking to access the accounts still at TD Ameritrade on thinkorswim, you will need to connect back to TD Ameritrade.
They will be on their way in the coming months. Welcome to thinkorswim at Schwab! You may notice that the TD Ameritrade account linked to one of your User IDs has moved over to Schwab, but some of your other accounts may not have moved over yet.
How to Access thinkorswim When You Have Accounts at Both Ameritrade and Schwab