recovsw

| Software Recovery
You might need to recover the switch firmware if the image is corrupted during an upgrade, if you installed the wrong image on the switch, or if you deleted the image. In all of these cases, the switch does not pass the power-on self-test (POST), and there is no connectivity. A symptom of corrupted firmware is if the switch continuously tries to reboot. Use the Software Recovery window to recover from a firmware failure:
Erase system configuration | Use this option to delete all the configuration settings on the switch, including the IP address, the usernames, and the passwords, but retain the current firmware image. If you select this option, you must set up the switch again, as described in the switch installation instructions.
Boot with the factory default IOS image | Use this option to discard the current image and to change to the factory-default firmware image. Settings for features supported on the default firmware image are retained, including the IP address, usernames, and passwords. Use this option if a firmware upgrade fails. Display the device manager, and try again to upgrade the switch firmware.
Erase system configuration and boot with the factory default IOS image | Use this option to delete all of the configuration settings on the switch and to change to the factory-default firmware image. If you select this option, you must set up the switch again, as described in the switch installation instructions.
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