Right-click on IDT High definition audio codec and 'Update driver'. If there are no update available, then go ahead and reinstall the driver by clicking on 'Uninstall'. Download the drivers from the manufacturer’s website and install it on the system. Let us know if it helps. If you have further queries, we will be happy. Apr 29, 2021 Right-click on the Start menu button and select Device Manager. Expand Sound, video and game controllers and right-click on IDT High Definition Audio CODEC. Select Update Driver. In the next step, select Let me pick from a list of device drivers on my computer.