If you are having trouble withdrawing money from a US exchange, there are a few steps you can take to try and resolve the issue:

1. Contact customer support: The first thing you should do is reach out to the exchange's customer support team. They may be able to help you troubleshoot the issue and provide guidance on how to withdraw your funds.

2. Check your account settings: Make sure that your account is verified and that you have set up the appropriate withdrawal methods. Some exchanges may require additional verification steps before allowing withdrawals.

3. Double-check withdrawal limits: Some exchanges have limits on how much you can withdraw at a time. Make sure you are within these limits before attempting to withdraw funds.

4. Verify your withdrawal address: If you are withdrawing funds to an external wallet, make sure that the address you are using is correct. Double-check the address to ensure that there are no errors.

5. Consider alternative withdrawal methods: If you are still having trouble withdrawing funds, consider using a different withdrawal method. Some exchanges offer multiple options for withdrawing funds, such as bank transfers or wire transfers.

6. Seek legal assistance: If you have tried all of the above steps and are still unable to withdraw your funds, you may need to seek legal assistance. Contact a lawyer who specializes in financial transactions to help you navigate the situation and determine the best course of action.

Overall, it is important to remain patient and persistent when dealing with issues related to withdrawing funds from a US exchange. By following these steps and seeking assistance when needed, you should be able to resolve the issue and access your funds.