1. Obtain the latest hardware diagnostics version from the support portal
2. Install the updated hardware diagnostics code.
#config t
(config)# diagnostic-systems
(config-diagnostic-systems)# view
(config-diagnostic-systems)# load <latest hardware diagnostics image link>
(config-diagnostic-systems)# exit
3. From a serial connection, restart the appliance and boot into the hardware diagnostics.
(config)# restart
Are you sure you want to restart the appliance? [no,yes] yes
Press the space key to select an alternate system to boot.
This machine has the following diagnostic systems:
>1: Version: CA 4.1.1.19, Release id: 0 S410 Hardware Diagnostics
Created: Friday October 18, 2025 22:11:39 UTC
Last-boot: Never
Attributes: Signed
System number (s for system menu):1
4. Upgrade the active CPLD flash.
Diag> upgrade cpld
5. Upgrade the active BIOS.
Note: Upgrading the BIOS will upgrade NVRAM firmware together. DO NOT upgrade the NVRAM separately. Upgrading the NVRAM separately will erase the serial number on the appliance.
Diag> upgrade bios
6. Exit hardware diagnostics and reboot.
Diag> exit
Are you sure you want to exit diagnostics - Y/N? > y
7. Interrupt the ISG boot with the spacebar, select the diagnostics menu by pressing d, and select the latest hardware diagnostics image
This machine has the following diagnostic systems:
>1: Version: CA 4.1.1.19, Release id: 0 S410 Hardware Diagnostics
Created: Friday October 18, 2025 22:11:39 UTC
Last-boot: Never
Attributes: Signed
System number (s for system menu):1
8. Upgrade the backup CPLD flash.
Diag> upgrade cpld
9. Upgrade the backup BIOS.
Note: Upgrading the BIOS will upgrade NVRAM firmware together. DO NOT upgrade the NVRAM separately. Upgrading the NVRAM separately will erase the serial number on the appliance.
Diag> upgrade bios
10. Exit hardware diagnostics and reboot.
Diag> exit
Are you sure you want to exit diagnostics - Y/N? > y
11. Interrupt the ISG boot with the spacebar, select the diagnostics menu by pressing d, and select the latest hardware diagnostics image
This machine has the following diagnostic systems:
>1: Version: CA 4.1.1.19, Release id: 0 S410 Hardware Diagnostics
Created: Friday October 18, 2025 22:11:39 UTC
Last-boot: Never
Attributes: Signed
System number (s for system menu):1
12. Check to confirm if the firmware is updated successfully
Diag>show hardware
13. Exit hardware diagnostics and reboot.
Diag> exit
Are you sure you want to exit diagnostics - Y/N? > y
14. Cold power cycle the appliance by disconnecting the power cords and waiting 30 seconds.
15. Reconnect power cords to power up the appliance.