Hi,
What are you using to get a sound from your laptop? (Speaker or a headset) Please do try these troubleshooting steps that may help.
- Go to Device Manager and uninstall the Sound card driver.
- Reboot your laptop once uninstalled and it should reinstall the driver automatically upon reboot.
- If it wouldn't install, download and install the latest driver from the manufacturers site.
- Do also run Windows Update and install all updates available,
- After installing the latest driver, right click on the speaker icon and click on Playback Devices.
- To select the default sound device right click on either the speaker or headphone and select Set Default.
- Click Apply and OK then test it again.