Win7 in the USB speaker No sound solution method

Win7 installed, the original in XP working normal USB small speakers but do not work, re-installed sound card driver or the same, later through the following try to finally use.

1. Right button on the lower right corner of the horn.

2. Click "Play Device".

3. Set USB Audio device as the default device.

4. Double-click USB Audio Device.

5. Click on "Enhanced Features" on the pop-up speaker Properties page.

6. Select "Disable all Enhancements".

7. Click "Confirm".