Aures Yuno Hardware Troubleshooting
If an Aures Yuno device becomes unresponsive often and unexpectedly, check first that the power input jack of the device is connected properly.
First, open the back cover of the device.
Then, check the power input (DC-IN) jack connection.
The following image shows how a correctly connected DC-IN jack should look like.

Correct way of connecting DC-IN jack
The following image is an example of an incorrectly connected DC-IN jack.

Incorrect way of connecting the DC-IN jack
When you have checked/corrected the input jack connection, close the back cover.