Solve the Windows 7 sound card driver can not be installed or failed to install

win7 official release has been a while, and more and more people use windows7 to install, everyone will encounter various problems when installing win7, recently many User response windows7 sound card driver can not be installed, today I will talk about the windows7 sound card driver can not be installed or installed on the solution.
1. Open the disk where your system is located into Windows-system32-Driverstore-FileRepository and find the wdmaudio.inf_x86_neutral_aed2a4456700dfde folder inside.
2. Right click on the point administrator to take ownership.
3. Re-enter (wdmaudio.inf_x86_neutral_aed2a4456700dfde) folder to delete all the things inside.
4. Download windows7 sound card driver repair compression package: download this site
5. Unzip windows7 sound card driver repair compression package
6. Copy and paste all the files inside to wdmaudio.inf…… folder inside < Br> 7. Reinstall the sound card driver (note the driver for your model).
8. Restart the computer, the problem is solved