How do I fund my IB HK account with a USD check?

Wise can only credit a supported currency to your IBKR account. If you deposit a currency through Wise that is not a supported currency, then your deposit will be converted to a supported currency.

The supported currencies:…

If the account is held with IB LLC, maintains an address in the U.S. and has elected a Base Currency of USD, then funds can be withdrawn by check.

Additional Information…

It depends how long you are staying in the United States as to whether you can keep your IB Canada account. If you are staying 6 months or less and are considered a temporary resident, you do not need to open an IB LLC account. However, if you are considered a permanent US resident, you will have to open an IB LLC account and transfer from IB Canada…

IB HK does not support Online Bill pay. You may consider other transfer methods such as "wire" or "telegraphic transfers".

Additional Information…