The first thing many users try is to reboot the system, but this does not help. If you run the Windows audio device debugger, it will notify you that the audio device is disabled or disabled. The main cause of this error seems to be due to Microsoft's permission or the device associated with the audio device has been disabled. See how to fix the speaker icon with the red X listed below.
Ways to fix the speaker icon with a red X, the computer has no sound
Method 1: Edit the Registry
Step 1: Press Windows + R key and then type regedit and press Enter to open the Registry Editor.
Step 2: Navigate to the following key register:
Computer HKEY_LOCAL_MACHINE SOFTWARE Microsoft Windows CurrentVersion MMDices
Step 3: Click on MMDevices and then select Permissions.
Step 4: In the Permission window, select Full Control for SYSTEM, Administrator and user.
Step 5: Click Apply then OK to save the settings.
Step 6: Now again navigate to the following registry key:
Computer HKEY_LOCAL_MACHINE SOFTWARE Microsoft Windows CurrentVersion MMVices Audio
Step 7: Continue steps 4 and 5 to control all Admin, user and SYSTEM.
Step 8: Close Registry Editor and restart the computer. This method will fix the speaker icon with a red X in Windows 10, but if this doesn't fix your problem, go to the next method.
Method 2: Ensure the Windows Audio Services service starts
Step 1: Press Windows + R key then type msc and press Enter .
Step 2: Scroll down until Windows Audio Services is found and right-click and select Properties.
Step 3: Make sure the service is running by clicking Start and then setting Startup typeto Automatic .
Step 4: Click Apply and OK .
Step 5: Follow the same steps for the Windows Audio Endpoint Builder service.
Step 6: Close all programs and restart the computer to save changes.
Method 3: Update the audio driver
Step 1: Press Windows + R key and enter msc and press Enter to open Device Manager .
Step 2: Expand the Sound, video and game controllers section and right-click on Audio Device then select Enable (If enabled, skip this step).
If the audio device is turned on, right-click Audio Device and then select Update Driver Software.
Step 3: Now select " Search automatically for updated driver software " and end the process.
Step 4: If you cannot update the graphics card, select Update Driver Software .
Step 5: This time select "Browse my computer for driver software" .
Step 6: Next, select " Let me pick from a list of device drivers on my computer".
Step 7: Select the appropriate driver from the list and click Next .
Step 8: Wait for the process to complete and restart the computer.
Step 9: If you can't find the appropriate driver, go to the manufacturer's website and download the latest driver.
Method 4: Remove Realtek High Definition Audio driver
Step 1: Press Windows + X key and select Control Panel .
Step 2: Click Uninstall a Program and then search for Realtek High Definition Audio Driver .
Step 3: Right click on it and select Uninstall .
Step 4: Restart the computer and open Device Manager .
Step 5: Click Action then select " Scan for hardware changes".
Step 6: The system will automatically fix the error of the speaker icon with a red X.
If all the above methods are done, try to fix the error of this red-slash speaker icon .