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Maintenance and troubleshooting
Password loss
Console login password loss
To recover a lost console login password:
1. Access the Boot menu. The console terminal screen displays the following:
BOOT MENU
1. Download application file to flash
2. Select application file to boot
3. Display all files in flash
4. Delete file from flash
5. Modify bootrom password
6. Enter bootrom upgrade menu
7. Skip current configuration file
8. Set bootrom password recovery
9. Set switch startup mode
0. Reboot
Enter your choice(0-9):
2. Enter 7 and restart the switch. The switch reboots, bypassing the configuration.
3. Log in through the console port without entering the password, and check the configuration file for
the user password.
Boot ROM password loss
Contact the HP Support for help.
Power supply failure
The switch's power supplies are as follows:
The A5120 EI switches and the A5120 SI switches use fastened power supplies.
All A5120 EI switches and the A5120-24G-PoE+ SI switch support three power input modes:
AC input
RPS DC input
Concurrent AC and RPS DC inputs
All other A5120 SI switches use only one AC power input
To identify the cause of a power failure:
On any A5120 EI switch, look at the system status LED and the RPS status LED of the switch. For more
information, see "LEDs (for the A5120 EI switches)."
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