Hearing noise when plugging earphones into a PC (Dell PC)

This problem can be solved by switching the Realtek audio driver to the native Windows driver (High Definition Audio device), or by reconnecting the Realtek audio driver.

The procedure is as follows.

1.Go to "Device Manager".

2. Expand "Sound, Video, and Game Controllers".

3. Right-click "RealtekAudio" and click "Update Driver".

4. Select "Browse my computer for driver software.

5. Click "Select from the list of available drivers on your computer".

6. Select "High Definition Audio Device" and click "Next".
※ [High Definition Audio Device] is not displayed, select [RealtekAudio].

7. After rebooting, check the noise of the earphones again.