How to Fix No Sound Issues on HKMLC Smart Board

Your HKMLC smart board has no sound, so dont panic — you are not alone. Sound problems can arise due to wrong settings, connection problems, or software glitches. Use This Troubleshooting Guide to Fix or Get Your HKMLC Smart Board Audio Working

Check the Volume Settings

Before going on to advanced troubleshooting, make sure that the volume is up and not muted.

In some cases, use the remote control or on-screen buttons to adjust the volume.

We need to move to the next step if we see the volume bar moving but don’t hear anything.

We look at the new HKMLC smart boards that come with advanced audio technology.

Check the Speaker Output Settings

Multiple audio output options are available in your HKMLC smart board. Make sure the right one is chosen:

System Settings > Sound > Output Device

Choose Built-in Speakers for the board’s internal audio.

If you have a speaker connected externally, check power and connections.

Test Different Audio Sources

If sound is not playing sometimes within a specific app or for a particular file:

Play audio from other apps, for example, YouTube, a local media file, or an online meeting.

If sound works in one app but not in another, the problem could be particular to that app.

Check HDMI, USB, and Audiop Connections

If the cables are loose or damaged, no sound will play:

Plug any HDMI, USB or AUX cables back in.

If there are no more ports can you try them?

And if you are using an external device, check if its sound output is muted or very low.

New HKMLC smart board* with sound upgrade

Restart the Smart Board

Temporary software glitches can be solved by rebooting the system:

Switch off the HKMLC smart board, wait for 10 seconds, and switch it on again

Make sure to test for the sound problem and see if it is.

Update or Reset Audio Drivers

Old drivers can lead to sound problems:

Settings > System Updates

Make sure install the available update and reboot the device.

If updating doesn't work, reset the audio driver to default.

Check Bluetooth and External Audio Devices

You may have disabled internal audio if your board is connected to an external Bluetooth speaker:

Open the Settings, tap on Bluetooth, and unpair any devices.

Listen to the sound again through the built-in speakers.

Turn Off Energy-Saving or Quiet Mode

Some power saving settings may mute or turn down the volume:

Make sure you check at the power mode on system settings > transition on standard mode.

Make sure that a silent mode is not set on the HKMLC smart board, if available.

Find an HKMLC smart board model you like and actually need

Restore Factory Settings

This can fix any underlying software issues in case all else fails: Reset HKMLC smart board.

Head over to System Settings > Reset > Factory Reset.

Choose to restore default settings as indicated on the screen.

Contact HKMLC Support

If none of these steps have fixed the issue, it might be a hardware issue. For professional assistance, contact HKMLC customer support.

If you encounter any issues, try restarting your device or clearing your cache. Thinking about replacing your existing devices with a newer model but with a better audio? Have a look at our all-new HKMLC smart boards.