NOTE: Before performing any significant repairs, back up your computer's hard drive.
Before trying anything else please reboot your computer. This will clear some issues your laptop may have such as interrupting programs.
If that doesn't work please try these solutions:
Check your speaker's volume
- Make sure your laptop sound isn't turned off.
The sound icon shouldn't have a red mute sign over it.
- Right-Click sound icon on the taskbar and choose Volume Mixer.
- Drag the slider to increase the volume to test if the sound could work.
Set your speakers as the default device
- Right-click on the sound icon on the taskbar.
- Then click Playback devices.
- Highlight your speakers, then click Set Default.
Note: If you couldn’t find your speakers on the playback device list, it might be disabled.
- Go with the quick steps to show it.
- On Sound window, right-click on the blank area of playback device list.
Then choose Show disabled devices.
- When your speakers show up, right-click on it to choose Enable.
Then you can set it as default device.
If your sound still doesn't work you may have a corrupt sound driver and will need to reinstall it.
Uninstall Sound drivers
- Go to Start/Window and right-click.
- From the list of results click Device manager.
- In Device manager under sound, video and game controllers, select your sound card open it.
- Select the Driver tab, and select Uninstall Driver.
- Reboot the system and allow windows to reinstall the driver.