[Fixed] IDT High Definition Audio Codec Not Working in Windows 10
Contents:
Have you ever experienced your computer have no sound when you have upgrade to Windows 10 on your computer? When you try to play music, the screen will display the error of the IDT High Definition Audio CODEC. Now we could help you to solve it.

This is a driver issue. There are two ways to update driver.
Recommended: Did your VIA High Definition Audio not working or error in Windows 10? Here's the solution you need: Solve the VIA High Definition Audio Driver Not Working Issue.
Solution 1: Update Driver from Device Manager
Step 1: Click Search Windows under the left corner of screen and key in "device" or "device manager" words. You can find "device manager" on the top and click it.

Step 2: Enter the device manager, click on Sound, video and game controllers and IDT High Definition Audio CODEC will be found and right-click on Update Driver Software… .

Step 3: Click on Browse my computer for driver software.

Step 4: Click on Let me pick from a list of device drivers on my computer .

Step 5: Select High Definition Audio Device . This is a driver with compatibility in Windows 10.

Step 6: Select Yes in the Update Driver Warning

Solution 2: Update Driver from Driver Doctor
Driver Doctor is a faster and more professional driver tool to help you solve sound issues and applies to Windows 10/8/7/XP/Vista. It will save you much time to search for the matched drivers, wait the loading, install following the guideline step by step from the official website. Only click three times you can download and install driver synchronously.

First, open Driver Doctor Software and click "Scan Now" button.

Second, click the "Get Drivers" button.
Third, click the "Download All" button.
Finally, click the "Install" button.
Summary:
Many users are experiencing problem with IDT High Definition Audio CODEC since they moved to Windows 10. If you’re one of these people, you can try to download and install "Driver Doctor".