SG300 Boot fail need help plz

[Ethan and Mia]

Networking device with Marvell ARM CPU core. 128 MByte SDRAM.
I-Cache 16 KB. D-Cache 16 KB. L2 Cache 256 KB. Cache Enabled.

MAC Address : b0:00:b4:0d:53:87.

Autoboot in 2 seconds - press RETURN or Esc. to abort and enter prom.

Both images are not valid ...
Please download a new image.

Downloading code using XMODEM.

Download failed

Perform WARM BOOT ...

Boot1 Checksum Test...............................PASS

Boot2 Checksum Test...............................PASS

Flash Image Validation Test.......................PASS

BOOT Software Version 1.3.5.06 Built 21-Jul-2013 15:12:10

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Networking device with Marvell ARM CPU core. 128 MByte SDRAM.
I-Cache 16 KB. D-Cache 16 KB. L2 Cache 256 KB. Cache Enabled.

MAC Address : b0:00:b4:0d:53:87.

Autoboot in 2 seconds - press RETURN or Esc. to abort and enter prom.

[balaji.bandi]

is that keep rebooting? what is the issue, have you tried a factory reset?

[Kasun Bandara]

@Ethan and Mia seems like image corrupted. try resetting first. if that is not worked, try to upload image to device using xmodem when xmodem OS requested and try to boot.

[Ethan and Mia]

Thank for replying

Do u have guide how to do it please

[balaji.bandi]

check this for a factory reset :

https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-350-series-managed-switches/smb985-how-to-manually-reboot-or-reset-a-switch.html

[seogirl]

Here are a few steps you can try to troubleshoot the issue:

1. Check the power supply: Ensure that the switch is receiving power and that the power supply is functioning properly.

2. Check the cables: Make sure that all cables are securely connected and not damaged.

3. Check the boot configuration: Verify that the boot configuration is correct and that the switch is attempting to boot from the correct image.

4. Attempt a factory reset: If all else fails, attempt a factory reset by following the instructions provided in the user manual.

5. Contact technical support: If the issue persists, it may be necessary to contact the manufacturer's technical support team for further assistance.

I hope these steps help you resolve the boot failure issue with your SG300 switch. Good luck!

[berlinmark576]

If your Cisco SG300 switch is experiencing a boot failure, here are some steps you can take to troubleshoot the issue:

1. **Power Cycle**: Try power cycling the switch by unplugging it from the power source, waiting for a few seconds, and then plugging it back in. Sometimes, a simple reboot can resolve boot issues.

2. **Check Connections**: Ensure that all cables connected to the switch are secure and properly seated. Loose or damaged cables can cause boot problems.

3. **Diagnostic LEDs**: Check the diagnostic LEDs on the front panel of the switch. These LEDs can provide information about the status of the switch during the boot process, such as power status, system status, and port status.

4. **Console Access**: If possible, connect to the switch using a console cable and terminal emulation software (such as PuTTY or Tera Term). This allows you to view any error messages or logs that may be displayed during the boot process.

5. **Factory Reset**: As a last resort, you may need to perform a factory reset on the switch. This will restore the switch to its default settings, which may help resolve boot issues. Keep in mind that this will erase any configuration changes made to the switch, so only perform a factory reset if necessary.

6. **Contact Support**: If you're unable to resolve the boot failure on your own, consider contacting Cisco technical support for further assistance. They can provide guidance based on the specific symptoms and error messages you're experiencing.

By following these steps, you can troubleshoot boot failures on your Cisco SG300 switch and hopefully resolve the issue.