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As per the case description, I understand that your RUCKUS ICX-7150-C12P Switch is not powering up.
Could you please plug your ICX-7150-C12P Switch into a working power outlet and send us PICTURES and VIDEO of it showing the light status, and cord connected to the Switch and power outlet? Please refer to the below pictures as an example.
If that does not make any difference, we need to perform a software recovery since it can be that the image flash is corrupted so in basic words the unit is not able to boot up properly and need re-install the image to boot up properly.
3-We need to access (physical) using one of the cables to the ICX-7150C12P mentioned on the below guide: