Win7 sound card driver installation failure solution

Win7 sound card driver installation failure automatic repair method:
Download driver life automatically update a sound card driver!
Win7 sound card driver installation failed manual repair method body:
1, open your win7 The system's disk gradually enters the Windows folder -system32 folder -Driverstore folder -FileRepository folder to find the wdmaudio.inf_x86_neutral…… folder. (In the FileRepository folder, you can quickly enter the initial letter wd to find, or Copy wdmaudio.inf_x86_neutral in the upper right search bar to search.)
2, enter (wdmaudio.inf_x86_neutral…… folder) delete all the files in the folder
3, download windows7 sound card driver manual repair package ( You can also find the required repair file in Driverswnd7audio under the driver installation directory.
4. Unzip the win7 sound card driver manual repair package, copy and paste all the files inside to the wdmaudio.inf_x86_neutral…… folder folder< Br>5, re-install the sound card driver with driver life . Open the driver life - drive update - the latest driver - hook the device to be updated - click on the right side - select the version to update
6, restart the ok computer, if there is still a problem, you can double-click the small speaker to let the system automatically detect .
7, notebook users please use the driver life update (fail can also be), go to the notebook official download corresponding sound card driver installation. (vista sound card driver is also compatible)
6 behind the desktop If there is no sound in the slot, please try the 6 slots one by one! If it is a desktop computer, and it is a Realtek sound card, there is still no sound after installing the sound card driver. Please open the Realtek high-definition audio manager (red small speaker) in the control panel hardware and sound, and click the yellow small folder (jack setting). , check (disable the front panel jack detection) and confirm. There is no sound under test, if you have not changed the sound card driver try
murmur adjustment method: right click on the small speaker - playback device - right click speaker - attribute - advanced - change the format to try different sound quality (recommended Is the lowest), and disable all sound effects at “Enhanced, if there is still a lot of noise, you can also try the motherboard manufacturer's official sound card driver.
Right Point Computer--Properties--Advanced System Settings--Performance (Settings)--Off (Enable Desktop Combination) Turning off will cause the transparency effect to be invalid, but it may solve the broken sound problem.
The following picture In the win7 sound card driver installation, when we want to delete the file prompts need permission, how to modify the permissions, please click the picture below.

First right click on wdmaudio.inf_x86_neutral…… folder-attribute, follow the picture!