Win7 System install sound card driver failure how to do

1, open the WIN7 system on the disk, step-by-Step into the Windows folder-system32 folder-driverstore folder-filerepository folder inside Find Wdmaudio.inf_x86_neutral ... Folder.

2. Right-click Administrator to obtain ownership;

3. Enter (Wdmaudio.inf_x86_neutral ...) folder and delete all files in the folder.

4, download and decompression Win7 sound card driver Manual repair package;

5. Copy and paste all the files in the Win7 sound card driver Manual repair package to wdmaudio.inf_x86_neutral ... Folder inside.

6, with the driver of life reinstall sound card driver: Open Drive life-drive update-the latest driver-to the device to be updated to the bait-point to the right side of more-select the version to update.

7, restart the computer, the problem is solved, if there are still problems, double-click the small horn, let the system automatically detect.