Win7 32-bit system appears no sound reloading sound card driver failure

The specific steps are as follows:

1. First open the disk where you installed win7 system into Windows-system32-Driverstore-FileRepository , then find the wdmaudio.inf_x86_neutral_aed2a4456700dfde folder inside;

2. Then right click on the folder and select "Administrator Takes Ownership";;

3. Then enter again (wdmaudio. Inf_x86_neutral_aed2a4456700dfde) folder to delete all the things inside;

4. Then download the windows7 sound card driver to repair the compressed package and extract it, copy and paste all the files inside the wdmaudio.inf…… folder;

5. Then reinstall the sound card driver (be sure to find the driver for your model), then restart the computer, this will solve the problem.

6. Restart the computer and the problem is solved.

Normal: If some newly listed hardware peripherals fail to install the driver automatically, you can go to the official website of the device to download the appropriate driver for manual installation.