Start with the simplest fixes first

Most audio problems on a computer come from settings you can change in seconds, not hardware failure. Before you assume your speakers are broken, check whether sound is muted, turned down too low, or routed to the wrong device. These three things account for the majority of "no sound" complaints.

The fastest way to test is to open your system volume mixer and look at the overall volume level. On Windows, click the speaker icon in the bottom right corner of your taskbar. On Mac, click the speaker icon in the top right corner of the menu bar. If the slider is all the way down or shows a mute symbol, that is your problem — drag it up or click to unmute.

Key Takeaways

  • Check your system volume and mute status first; most audio problems are muted speakers or volume turned all the way down.
  • Make sure the correct audio output device is selected — your computer may be sending sound to a device that is not connected or turned on.
  • Restart your computer before troubleshooting further, because audio drivers often need a reboot to work correctly.
  • Update or reinstall your audio driver if sound works in some programs but not others, or if you recently updated Windows or macOS.
  • Test audio in a different program to confirm whether the problem is system-wide or limited to one process.

Check which device your computer is sending sound to

Your computer may have multiple audio outputs — built-in speakers, headphones, external speakers, or a monitor with speakers. If you plugged in headphones or a new speaker but hear nothing, your computer is probably still sending sound to the old device.

On Windows, right-click the speaker icon in the taskbar and select "Open Volume mixer". Look for "App volume and device preferences" or "Advanced" options. You will see a list of programs and which audio device each one is using. Change the device to match what you actually have plugged in. If you do not see your headphones or speakers in the list, they may not be connected properly or may need a driver.

On Mac, click the speaker icon in the menu bar and look at the list of output devices. Select the one you want to use. If your device does not appear, unplug it, wait five seconds, and plug it back in — macOS usually detects it when ready.

Restart your computer and check for driver updates

A restart fixes audio problems more often than you would expect, because audio drivers sometimes stop responding until the system reboots. Shut down completely (not sleep mode), wait 10 seconds, and turn your computer back on. Test your audio before moving to the next step.

If sound still does not work, check whether your audio driver needs an update. On Windows, right-click the Start button, select "Device Manager", and look for "Sound, video and game controllers". Click the arrow next to it to expand the list. Right-click your audio device and select "Update driver". Windows will search for the latest version online. On Mac, go to System Settings, click "General", then "Software Update" to check for system updates that may include audio driver fixes.

If Windows says your driver is up to date but audio is still broken, try uninstalling the driver instead. Right-click the audio device in Device Manager and select "Uninstall device". Restart your computer — Windows will automatically reinstall a basic version of the driver. This often fixes corrupted drivers that an update cannot repair.

Test audio in different programs to narrow down the problem

Audio problems are sometimes limited to one program rather than your whole system. Open a web browser and play a video on YouTube or another site. If you hear sound there but not in another program, the problem is with that program's settings, not your computer.

Check the program's own audio settings. Many programs have their own volume control or output device selection separate from your system settings. Look in the program's preferences or settings menu for audio or sound options. Some programs also have a "default device" setting that overrides your system choice.

If audio works nowhere on your system, move to the next section. If it works in some programs but not others, the problem is usually within those specific programs rather than your hardware.

Disable audio enhancements that may be causing conflicts

Windows includes audio enhancement features that sometimes interfere with sound output. These are usually turned off by default, but if someone enabled them, they can cause crackling, distortion, or complete silence.

On Windows, right-click the speaker icon in the taskbar and select "Open Volume mixer". Scroll down and click "Advanced" or "App volume and device preferences". Look for a section called "Volume and device preferences" or "Advanced options". Click on your audio device and look for "Enhancements" or "Effects". If any options are checked, uncheck them and test your audio again.

On Mac, audio enhancements are less common in system settings, but some programs include their own. Check the program's preferences for options like "audio enhancement", "surround sound", or "spatial audio" and turn them off temporarily to test.

Check physical connections and test with headphones

If your external speakers or headphones are plugged in but producing no sound, the cable may be loose or damaged. Unplug the device completely, wait three seconds, and plug it back in firmly. Make sure the plug is inserted all the way into the jack.

If you have a different set of headphones or speakers available, plug those in and test. If the new device works, your original device is likely broken. If the new device also produces no sound, the problem is your computer's audio output, not the device itself.

For wireless speakers or headphones, make sure they are charged and paired with your computer. Unpair the device, restart your computer, and pair it again. Some wireless devices need to be in pairing mode (usually a button you hold for a few seconds) before your computer can find them.

Reinstall your audio driver if nothing else works

If you have tried restarting, updating drivers, and testing different devices and still have no sound, a complete driver reinstall may be necessary. On Windows, go to Device Manager, right-click your audio device, and select "Uninstall device". Check the box that says "Attempt to remove the driver software for this device" and click Uninstall. Restart your computer.

After restart, Windows will automatically reinstall the driver. If it does not, visit your computer manufacturer's website (Dell, HP, Lenovo, Asus, etc.) and search for your model number. read the audio driver from their support page and run the installer. This usually takes a few minutes and may require another restart.

On Mac, audio driver problems are rare because macOS manages them automatically. If you have no sound after trying the steps above, restart in Safe Mode by holding Shift while your computer starts up. Test audio in Safe Mode. If sound works there, a third-party program is interfering with your audio, and you should uninstall recently added software.

Frequently Asked Questions

Why is my audio crackling or distorted?

Crackling usually means your audio driver is outdated or corrupted, or an audio enhancement setting is turned on. Try disabling enhancements first, then update or reinstall your driver. If you are using wireless headphones, move closer to your computer — interference from other devices can cause crackling.

I have sound in videos but not in games. What is wrong?

Games often have their own audio settings separate from your system volume. Open the game's settings menu and look for audio, sound, or volume options. Make sure the game's volume is turned up and the correct output device is selected. Some games also require you to restart them after changing audio settings.

My headphones work but my speakers do not. How do I switch back?

Open your volume mixer and select your speakers as the default output device. On Windows, right-click the speaker icon and choose the device. On Mac, click the speaker icon in the menu bar and select your speakers. If your speakers do not appear in the list, they may not be powered on or may need to be plugged in again.

How do I know if my audio hardware is actually broken?

Test with a different audio device plugged into the same port. If the new device works, your original device is broken. If the new device also produces no sound, your computer's audio port or motherboard may be damaged, and you should contact your computer manufacturer or a repair technician.

Do I need to uninstall my old driver before installing a new one?

No — most driver installers will replace the old version automatically. However, if you are having problems with a corrupted driver, uninstalling it first and letting Windows reinstall a basic version often works better than trying to update over the broken one.