If the is displayed "You've selected a device with the sample rate other than 48K Hz"
This message displayed so there are prevented any issues with AUX-IN audio quality.
To set the right sample rate please follow the next steps:
1.Right slick at volume control icon at right bottom corner of the Taskbar, then select Open Sound settings
2.Select Sound Control Panel
3.Select the Recording tab
4. Right click at selected AUX-IN device and click on Properties
5. Select the Advanced tab, then choose the correct sample rate 48KHz and press apply.