Laptops come with built-in speakers linked to a sound card that is integrated into the motherboard. Some sound cards can simulate audio effects, like reverberation, which can cause an echo when playing sound on the laptop. Outdated or corrupt drivers can also produce an echo, especially if a bug exists in the driver code. To fix an echo when playing sound on a laptop, you'll need to turn off all sound effects and then reinstall or upgrade the device driver.
Click the Windows "Start" menu and select "Control Panel." Go to "Hardware and Sound." Click "Sound." Select the speaker device from the "Playback" tab and click the "Properties" button.
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Go to the "Enhancements" tab. Select each option in the list, reading the description below to see if the setting could be causing the laptop speakers to echo. Options like "Environment" and "Reverberate" can cause an echo.
Uncheck an option to disable it. If you are unsure which option might be affecting the speakers, check "Disable All Enhancements." Click "OK" to close the Speaker Properties tab. Click "OK" to close the Sound tab.
Test the audio on your laptop to check for an echo. If the echo still exists, go back to "Control Panel" and type "device" into the search box located at the top right of the window.
Click "Device Manager" and expand "Sound, Video and Game Controllers." Right-click the sound adapter and click "Uninstall." Restart the computer to reinstall the device driver for the sound card.
Check the audio playback after restarting the computer. If the echo persists, browse to the laptop manufacturer's website, look up the laptop model on the support page and click the "Drivers" or "Downloads" link.
Download the latest sound card driver from the website. Wait for the file to fully download. Double-click on the file when the download is complete to upgrade to the latest driver.