To open a garage door from outside without power, locate the emergency release cord on the garage door opener. Pull the cord to disconnect the door from the opener. Manually lift the door while ensuring it remains stable. Ensure that you have a plan for restoring power or repairing the opener to resume normal operation.

Opening a garage door without power involves disconnecting the door from the opener using the emergency release cord. Lift the door manually with care, ensuring stability. Address the power issue or opener repair promptly to restore normal functionality. Regular maintenance and having an emergency plan can make handling such situations easier.