How to troubleshoot win7 sound card driver installation failure display error code 0ex0000100

1, first to the Internet to download the sound card driver Repair tool, and then after the download complete decompression windows7 sound card driver repair compressed package;

2, then expand the "Windows→system32→driverstore→filerepository" in the C disk, and find the "Wdmaudio.inf_x86_neutral_aed2a4456700dfde" folder inside.

3, then for the "Wdmaudio.inf_x86_neutral_aed2a4456700dfde" folder, take ownership, the mouse right click this folder select the "Properties" option, switch to the "Security" tab, select "Eceyone", click "Advanced" button;

4, then switch to the "Owner" tab, click the "Edit" button;

5, then select their own user name, check the bottom of the "Replace the child container and the owner of the object", and then click the OK button;

6, back to the Advanced Security settings interface, switch to the "Permissions" tab, click the "Change Permissions" button;

7, choose your own username, and then click the "Edit" button;

8, in the pop-up window under the "Objects" tab, check the permissions of the "Full Control", and then click the OK button;

9, then tick the "Include permissions that can be inherited from the object's parent" and "use the permissions that are available from this object to replace the known child object Permissions" item, then click OK;

10, in the bounce out of the Windows security interface, click "Yes" button;

11, then enter the "Wdmaudio.inf_x86_neutral_aed2a4456700dfde" folder, the inside of the whole thing deleted.

12, then the prior decompression of "Windows7 sound card driver Repair" Inside the seven files copied to the "Wdmaudio.inf_x86_neutral_aed2a4456700dfde" folder, and then reinstall the sound card driver, restart the computer can be.