Troubleshooting No Sound on Your Laptop

A recent Lenovo user on Lenovo Answers stated:
> I?m trying to update the BIOS to 1.4.33.1, but I keep getting an error > message that tells me there is no sound device installed.
If a system’s sound isn’t working, it can be very annoying, but don’t worry, there are a few simple solutions that can help you resolve it, and today we’re going to show you how to fix this issue.

• If you’re getting no sound on your laptop, it might mean your speakers are defective, or something is wrong with the audio drivers.
• An easy and quick fix for this issue is to use dedicated software to fix the audio drivers.
• To locate the problem, you should first check your speaker connections, then run the SFC scan.

Check if sound is muted

1. Press the Windows key + R hotkey, and type control in the text box.
2. Click Control Panel to open the window shown directly below.
3. Click Sounds on the Control Panel window.
   
4. Then toggle the Mute checkbox on the Sounds window.
5. Press the Windows key + R hotkey, and type control in the text box.
6. Click Control Panel to open the window shown directly below.
7. Click Hardware and Sound to open the window below.
   
8. Click the Sound icon to open the window shown directly below.
9. Next, click the Playback tab on the Sound window.
10. Click the Computer sound playback option.
11. Uncheck the Mute checkbox.
    

Check for Sound Manager

1. Press Windows + I to open Settings, and go to Update & Security.
2. Click View all updates on the left.
3. Now, check for any updates.
   

Check Sound Hardware and Sound Settings

1. Open the Sound settings.
2. Check and see if the headphones or speakers are turned on.
   
3. If they aren’t, turn them on.

Check Sound Playback

1. Go to Sound settings.
2. Choose the Playback tab.
3. Check if your sound is disabled by checking the Mute box.
   
4. If it isn’t muted, click on the drop-down arrow for Speakers and choose a test speaker.

Add Sound Card to Device Manager

1. To add a new sound card, right-click the Start menu and select Device Manager.
   In the Device Manager window, expand Sound, video and game controllers.
   Right-click the sound card you’re using, and select Uninstall device.
2. Select Uninstall from the Confirm Device Uninstall window.
   
3. Restart the PC.

Check IRQ assignment

1. Press the Windows key + X keys to launch the Device Manager.
2. Expand the Sound, video and game controllers section, right-click on HDMI Audio Device, and select Properties.
3. Go to the Advanced tab, and on the IRQ page, select “Disabled”.
4. Save the changes you made and restart your computer.
   

Use Sound Troubleshooting

1. Open Sound Troubleshooter in Windows 10 using Windows Key + S and typing troubleshoot in the search utility.
2. Click Troubleshoot audio in Windows 10 to open the window directly below.
3. Click the Run the troubleshooter button.