> you can ask a bank teller to help you
At virtually all banks, the bank tellers cannot help you with login problems. You will have to call the bank's tech support and somehow navigate AI-modulated phone menu hell.
Citation needed. Walk in with photo ID, a bank card, and your PIN, and all the major banks will send you a reset-password email.
Citation needed. Walk in with photo ID, a bank card, and your PIN, and all the major banks will send you a reset-password email.