How to solve the problem of red cross on win7 computer speaker

Win7 computer speakers display a red cross, indicating that there is a problem with the audio device. The solutions are: 1. Check the volume settings, the device has been selected as the default playback device; 2. Check the audio driver, automatically search for updates or manually download and Install the latest audio driver; 3. Ensure that the power supply and audio cable are connected properly; 4. Run the audio troubleshooting tool provided by Windows; 5. Restore the system configuration.

# Operating system for this tutorial: Windows 7 system, Dell G3 computer.

On a Windows 7 computer, the speaker icon displays a red cross, indicating that there is a problem with the audio device. You can try the following methods to solve this problem:

1. Check the volume settings:

   • Right-click the volume icon on the taskbar and select "Open Volume Mixer" ".
   • Make sure the main volume and application volume are not muted or turned down.
   • Make sure the required audio device (speakers, headphones, etc.) is selected as the default playback device.

2. Check the audio driver:

   • Right-click "Computer" and select "Properties".
   • In the system window, select "Device Manager".
   • Find "Sound, video and game controllers" and expand this option.
   • Right-click on the listed audio device (usually "Speakers" or "Audio Output Device") and select "Update Driver Software".
   • Follow the prompts to select the option to automatically search for updates, or manually download and install the latest audio driver.

3. Check the physical connections:

   • Make sure the speakers or headphones are properly connected to the audio jack and that the jack is not loose or damaged.
   • If using external speakers, please make sure the power and audio cables are connected properly.

4. Run the audio troubleshooting tool:

   • Click the "Start" button and select "Control Panel."
   • Open "Hardware and Sound" and select "Troubleshoot Audio Playback Issues".
   • Follow the prompts and run the audio troubleshooting tool provided by Windows.

5. Restore system configuration:

   • If the problem occurred recently, you can try to use the "System Restore" function to restore the computer to its previous normal working state. status.
   • Click the "Start" button, select "All Programs", and then find "System Restore" in the "System Tools" folder.
   • Select an available restore point and follow the prompts.

If the above methods do not resolve the issue, there may be a hardware failure or a deeper system problem. It is recommended to contact the computer manufacturer's technical support team or professionals for further diagnosis and repair.

The above is the detailed content of How to solve the problem of red cross on win7 computer speaker. For more information, please follow other related articles on the PHP Chinese website!