1. Update Realtek 3D engine.
2. For special customize settings.
3. Fix blue screen issue.
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Update Driver/Application:
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Step 1. Follow Step 2,3,4 described in [Setup at first time] above to complete
the procedure.
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Remove Driver/Application:
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Step 1. Go to StartSettingsControl Panel.
Step 2. Select [Add/Remove Programs] icon.
Step 3. Select "Realtek AC'97 Audio" and press [Change/Remove]
button.
Step 4. Click on [Next/OK/Go] to finish the uninstallation.
Step 5. At the end of the procedure, select to restart the system and press
[Finish] to complete the uninstallation.
It is highly recommended to always use the most recent driver version available.
Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.
Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer. | 
