When you have issues with the sound or audio on your Windows 10 PC, you should run the built-in sound troubleshooter first. The troubleshooter automatically scans and fixes most of the issues. If the troubleshooter fails to detect the issue, you can try fixing the issue by reinstalling the audio driver. But before reinstalling the audio or sound driver, we recommend you to update the audio driver to the latest version. If the issue cropped up after updating to the latest version of the audio driver, rollback to the previous version of the driver. If none of these methods help, you can then try out reinstalling the audio device driver. IMPORTANT: Do note down the name and version of the audio driver before uninstalling them so you can easily download the right version of the audio driver. To check the version, please refer to our how to check the driver version number guide. Method 1 of 2 Reinstall Windows 10 audio driver from Device Manager Step 1: Right-click on the Start button in the taskbar area and then click Device Manager to open the same. Step 2: In the Device Manager, expand Sound, video and game controllers. Step 3: You should now see your audio driver’s name. Most likely you have Realtek High Definition Audio. Right-click on it and then click the Uninstall device option. Step 4: You will now get the following confirmation dialog. Select Delete the driver software for this device checkbox and then Yes button when you see the confirmation dialog to go ahead and uninstall the device driver. Restart your PC once. Step 5: Download the latest version of the audio driver from your PC manufacturer’s website and run the installer to install the same. If you cannot find the audio or sound driver on your PC manufacturer’s website, search the web (using your PC’s model number as the keyword) to get the latest version of the driver. If you know the PC’s model number, finding the device driver is quite easy. Between, you can download general version of Realtek audio driver from the following link: Download Realtek audio driver Try the Realtek HD audio codecs first. It will work on most modern PCs. If it fails to install or work, download Realtek AC’97 Audio Codecs. Also, separate installers are available for 32-bit and 64-bit systems. Be sure to download the right one. You can refer to our check if you’re running a 32-bit or 64-bit Windows 10 guide for help. Method 2 of 2 Reinstall audio driver from Control Panel Step 1: Type Appwiz.cpl in the Start/taskbar search field and then press Enter key to open Programs and Features window. Step 2: Look for the audio driver entry. Right-click on the audio driver and then click the Uninstall option. Click Yes button if you see the confirmation dialog to continue uninstalling the sound or audio driver. After the driver is removed, reboot your PC. Step 3: Visit your PC manufacturer’s website and download the latest version of the audio driver for your PC and then install the same.