A maintainer password is a function specially customized for maintenance personnel. It can be used to monitor the hashrate and miner status of all accounts for the same id.
The maintainer password does not have the authority to edit accounts, and cannot view information related to mining revenue.
How to enable the maintainer password: log in to your F2Pool account, click “Account Settings”, enter “Security Settings”, find “Maintainer Password”, and click “Open” to enable it.
In Windows, right-click on “This Computer”, select “Manage”, open the “Device Manager”, find “Display Adapter”, and you will see that there are several graphics cards in operation.