4X4 HDMI Matrix & WALL System
16
Troubleshooting
No Power
Make sure that the power adapter is securely connected to the power connector of the
unit.
Check the output voltage of the power supply and make sure that the voltage value is
around 12VDC.
Replace the power supply.
No Video
Check if all the video cables are connected properly.
Connect the computer directly to the monitor to verify that your monitor and computer
are functioning properly.
Restart the computers
Keyboard is not working
Check if the keyboard is properly connected to the unit.
Check if the USB cables connecting the unit and the computers are properly connected.
Try connecting the USB on the computer to a different port.
Make sure that the keyboard works when directly connected to the computer.
Replace the keyboard.
Mouse is not working
Check if the mouse is properly connected to the unit.
Try connecting the USB on the computer to a different port.
Make sure that the mouse works when directly connected to the computer.
Replace the mouse.
No Audio
Check if all the audio cables are connected properly.
Connect the speakers directly to the computer to verify that the speakers and the
computer audio are functioning properly.
Check the audio settings of the computer and verify that the audio output is through the
speakers.
Technical support
For product inquiries, warranty questions, or technical questions, please contact
