![]() If the test fails, ensure to write down the error code and validation code, and contact Dell Technical Support.If the test passes, go to the next step. Control Panel>Sound can be accessed by right-clicking the Windows Start Menu and selecting Control Panel from.Follow the on-screen prompts and respond appropriately to complete the diagnostics.Use the arrow keys to select Diagnostics and press the Enter key.When the Dell logo appears, press the F12 key to enter the One-time Boot Menu. In Windows 10, press Win+X to display the super-secret menu, and then choose Control Panel.Running Dell SupportAssist Preboot System Assessment or enhanced Preboot System Assessment (Dell PSA or ePSA) ![]() If the computer can boot into Windows and has an active Internet connection, run a hardware diagnostic test on the sound or audio card using Dell SupportAssist. Running hardware-diagnostic test using Dell SupportAssist In Sound settings, go to Input > Choose your. Dell offers both integrated and online diagnostics. Select Start (Windows logo Start button) > Settings (Gear-shaped Settings icon) > System > Sound. To determine if your Dell computer is experiencing a hardware problem, it is recommended that you first run a hardware diagnostic test. Running a hardware diagnostic test can help you identify hardware-related problems and provide you with troubleshooting steps to help resolve the issue. If the audio playback issue persists, go to the next step. Click on Sound control panel on the right and you will get the Sound settings window: Windows Sound management dialog 60percent.png: Sound settings window. Install any available update and restart your PC. Choose the Search automatically for drivers option. Right-click the Realtek Audio driver and select Update driver. Double-click on the Sound, video and game controllers option to expand it. Under Hardware and Sound, click Troubleshoot audio playback. Press the Windows key + X and select Device Manager. ![]()
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