6-16 Maintenance and TroubleshootingSoftware Loading FailureIf software loading fails, the system keeps running in original version. In this case, check if the physicalports are properly connected.z If the ports are not properly connected, reconnect them correctly and restart the loading procedure.z If the ports are properly connected, check the loading procedure information displayed on theHyperTerminal for input errors. If there is any input error, restart the loading procedure with correctinput.For example, when using XMODEM, verify that you have reset the baud rate of the HyperTerminal to9,600 bps after loading the software with a baud rate other than 9,600 bps; when using TFTP, verify thatyou have specified the correct server and switch IP addresses, the correct name of the software to beloaded and the correct working path of TFTP server; when using FTP, verify that you have specified thecorrect server and switch IP addresses, the correct name of the software to be loaded and the correctusername and password.If software loading fails but there are neither physical connection problems nor input errors, pleasecontact your agent for help. Missing PasswordPassword Missing FailureMissing User PasswordIf you have forgotten your user password, you can enter the Boot Menu:BOOT MENU1. Download application file to flash2. Select application file to boot3. Display all files in flash4. Delete file from flash5. Modify bootrom password6. Enter bootrom upgrade menu7. Skip current configuration file8. Set bootrom password recovery9. Set switch startup mode0. RebootEnter your choice(0-9):Select 7, and then restart the switch. After the switch is restarted, the user password is removed.Missing Boot ROM PasswordPlease contact with your switch dealer.