Hello,
We have been looking into the situation you reported, and it appears that there may be two potential causes for the issue you are experiencing: a damaged TF card or a faulty power adapter.
To troubleshoot this, we recommend trying the following steps:
Unplug the TF card from the machine and then attempt to restart it.
Additionally, we kindly request that you reach out to us via WhatsApp at +86 189 3601 2338. We're available to provide you with further assistance and after-sales service. Please feel free to contact us, and we will do our best to resolve the issue promptly.