If the issue persists, I would suggest you to run hardware and devices troubleshooter and check if it helps. A) Press the ‘ Windows + C’ to activate the charms menu or move the mouse pointer to bottom right corner of the screen and you will get the charms menu. B) Click on ‘ search’ and select ‘ settings’ and type ‘ Troubleshooting’ and select ‘ troubleshooting’. C) Click on ‘ Hardware and Sound’ and select ‘ Hardware and Devices’ and click on next to run the troubleshooter. Method 3: If the issue persists, uninstall and reinstall the driver in Windows 7 compatibility mode.

Download the C-Media CMI8738-SX PCI Audio Driver 8.17.40 for Windows 7 driver and install it on your computer - if the device still is not working properly, read the information further down the site about the CMedia device from the Sound Card category. Are you looking for C-Media CMI8738-SX Audio drivers? Just view this page, you can through the table list download C-Media CMI8738-SX Audio drivers for Windows 10, 8, 7, Vista and XP you want. Here you can update C-Media drivers and other drivers.

• Press & hold back button and insert USB cable • FlashTool will start restoring the previous kernel • Restart your phone. It is now rooted. Flashtool for xperia neo v mt11i root.