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How To Fix LG Monitor Speakers That Aren’t Working: 8 Effective Solutions

February 12, 2026 5 minuti di lettura Updated: February 12, 2026

Getting the Audio to Work on Your LG Monitor: Real-World Fixes

So you’ve got this nice LG monitor, but the sound is just…nada. Happens more often than you’d think, especially with built-in speakers that are kinda meh to begin with. Sometimes it’s just a goofy setting, other times it’s drivers or cables acting up. The goal here is to walk through some common fixes that actually work — because, yeah, it gets frustrating when the audio just refuses to cooperate. By the end, you should have decent sound coming from that monitor, or at least a clearer idea of what’s wrong.

How to Fix LG Monitor Sound Issues in Windows

Adjusting Volume Settings to Make Sure Nothing’s Muted

This is probably the simplest fix, but also the easiest to skip over. Believe it or not, Windows has all kinds of volume layers—peripheral, media, and system. If one’s muted or turned way down, your monitor’s speakers stay silent.

Try this:

  • Hit Windows + I to open Settings.
  • Navigate to System > Sound.
  • Select your LG monitor under Output. Check that the volume slider isn’t at zero or muted (cross icon with an X).If it is, drag it up.
  • Open the Volume mixer by clicking the speaker icon in the system tray, then select Open Volume Mixer. Make sure the media and app sliders aren’t muted or turned down.
  • Back in Sound > Advanced sound options, click App volume and device preferences and verify nothing’s muted there either.

On some setups, the volume sliders can get out of sync, or muting one source silences everything. This fix is usually quick, but on certain PCs, it can be weirdly persistent—so don’t forget to check it again after rebooting.

Check the Audio Source and Default Playback Device

Sometimes Windows chooses the wrong output. Maybe you plugged in headphones or another speaker, and the system keeps trying to send sound elsewhere. Or you switched the source and forgot about it.

Here’s how to fix it:

  • Open Settings > System > Sound.
  • Under Choose where to play sound, make sure your LG monitor appears as the selected device. If it’s not, pick it from the list.
  • Click the arrow next to the device, then hit Set as Default. Sometimes Windows needs a nudge to prioritize your monitor’s speakers.
  • It’s also worth checking if any other peripherals like Bluetooth speakers or USB headphones are connected — disconnect or disable those if you want audio from the monitor.

Just note that if you have multiple audio devices connected, Windows might default to the wrong one after a restart. Double-check this if things suddenly go silent again.

Run the Windows Sound Troubleshooter

If settings look good but sound still won’t come out, Windows has a built-in troubleshooter that’s surprisingly handy.

Here’s how to give it a shot:

  • Open Settings, then go to System > Troubleshoot.
  • Click on Other troubleshooters.
  • Find Playing Audio (sometimes labeled as Sound Playing Troubleshooter) and click Run.
  • Follow the prompts — it’ll detect and suggest fixes if it finds issues.

Good to run this after changing settings or after a Windows update that might have knocked the audio system out of sync.

Check for Loose Cables and Damaged Connections

Hardware problems are a classic issue. Damaged HDMI, DisplayPort, or even audio cables can cause no sound or crackling. Sometimes unplugging and reseating the cables helps, but if they’re damaged, that’s a whole other story.

  • Shut down your PC and monitor.
  • Inspect all cables for kinks, bends, or visible damage. If you see any, swap them out for a new one.
  • Clean the ports with some compressed air — dust can cause poor contact too.
  • Reconnect everything snugly, then power up and see if the sound works.

In my experience, loose connections are often the culprit. Because of course, Windows or monitor firmware has to make it worse than necessary.

Reset Your Monitor to Factory Defaults

If the monitor’s own settings got tweaked (like muting the internal speakers or changing the audio input source), resetting can help. Usually this is done through the monitor’s menu:

  • Use the monitor buttons to access the Menu.
  • Navigate to Settings > General or Options.
  • Find options like Reset or Factory Defaults and select them. This restores the default audio and input sources.
  • Reboot your computer afterward to see if that fixed the issue.

This step’s simple but sometimes overlooked, especially if you’ve tinkered with monitor settings before.

Update or Reinstall Drivers for Graphics and Audio

Outdated or corrupt drivers can totally mess things up. On one machine, a driver update fixed a no-sound issue; on another, reinstalling was needed because the driver was crashing silently.

Here’s how to do it:

  • Open the shortcut Run (Windows + R) and type devmgmt.msc to launch Device Manager.
  • Expand Monitors and find your LG monitor. Right-click and choose Update driver.
  • Select Search automatically for drivers. Wait for Windows to find and install any updates.
  • Do the same for Sound, video, and game controllers or Audio inputs and outputs.
  • After updating, reboot. If the problem lingers, consider uninstalling the driver (right-click > Uninstall device) and then scanning for hardware changes, which forces Windows to reinstall the driver fresh.

Because sometimes drivers just decide to be stubborn or go corrupt after a Windows update. Here’s a link to a trusted driver updater tool if things get messy: GitHub Repository: Winhance.

When Hardware Might Be the Problem

If none of the above works, it could be a hardware fault — damaged speaker wiring, a fried internal board, or even a loose solder joint inside the monitor. At this point, it’s probably time to get it checked by a professional or see if it’s still under warranty. Because replacing the internal controller board or fixing internal components isn’t exactly user-friendly.

Summary

  • Check volume levels and muting across Windows and app-specific mixers
  • Verify the correct audio source is selected and set as default
  • Run the Windows troubleshooting tool for sound problems
  • Inspect and replace damaged cables
  • Reset monitor settings to factory defaults
  • Update or reinstall monitor and sound drivers
  • Consider hardware issues if all else fails

Wrap-up

In real-world testing, these fixes tend to cover 90% of the sound problems with LG monitors and similar devices. Sometimes it’s just a matter of a quick setting change, and other times you’re battling driver corruption or hardware faults. Hopefully, this guide cracks the case and gets your audio back in action. Because, yeah, nothing’s worse than staring at a nice monitor and having no sound to go with it.