Issue: No sound from Display Speakers Using the On-Board Computer

1. On your Windows taskbar, right click on the audio icon.

2. Click Sounds.

3. Navigate to the Playback tab.

4. Depending on the display model, select Mstar Demo, Newline Disp, HHT Display, Newline, or IFP Display and then click Set Default.

5. Click Apply and Ok.

6. Test sound.

Helpful tips: 

  • Increase volume on both the screen and the Windows system
  • Check whether the screen and the Windows system are muted
  • If the driver is not listed under Playback tab, identify the computer model and download the sound drivers using the table below. To determine your model, locate the identifying white sticker on the computer

OPS Model
Sound Drivers
WB5051 & WB5072
S044P722 & S044P822 & S044P511


1. Click link and perform a direct download to download the drivers on your computer.

2. After download, locate the file in your downloads folder and extract the zipped file.

3. Open the folder and click Setup.exe to run the default setup.

4. Follow the instructions to complete the process.

For additional questions, please contact support at 833-469-9520 or send an email to