6-16 Maintenance and TroubleshootingSoftware Loading FailureIf loading new version software fails, the system runs steadily using the original system files. In this case,check whether the physical ports are properly connected.z If not, reconnect them correctly and restart the loading procedure.z If so, view the loading procedure information displayed on the HyperTerminal to check for inputerrors. If there is any input error, restart the loading procedure with correct input.Common input errors include:z Fail to set the baud rate of the HyperTerminal to 9,600 bps when loading files at a baud rate otherthan 9,600 bps through XMODEM.z Enter an incorrect IP address, software name, or path of the TFTP server when using TFTP.z Enter an incorrect IP address, software name, username, or password when using FTP.If software loading fails when there are neither physical connection problems nor input errors, pleasecontact your sales agent for help.Password LossUser Password LossIf you have forgotten the user password, you can enter the Boot ROM 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):Enter 7, and then restart the switch. After the switch is restarted, the user password is removed.Boot ROM Password LossPlease contact your sales agent.