User manual
Technical Support & Troubleshooting
No video display or a blank blue screen on the VR920:
• Unplug and reconnec t the USB c ab le.
• Recheck the above settings:
Clone/Mirror/Duplicate display
VR920 set as primary display
640x480, 800x600, or 1024x768 resolution
60 Hertz refresh rate
No 3D video:
• Check for 3D vid eo using the test application in the Misc . Tools section
of t he VR Manager.
• Update your graphics card drivers to the latest version.
• If you have another 3D video driver installed, disable it.
No Audio:
• Check for aud io in your VR920 earp hones.
• Reset the desired speakers outp ut in your Contr ol Panel Sound
settings.
• Reset t he desired m icrop hone inp ut in your Contr ol Panel Sound
settings.
No 3D video or tracking in a specific application:
• Verify the app lication has 3D vid eo and/or t r acking supp ort in nat ive
mode or through a Vuzix Extension.
• If supp orted thr ough a Vuzix Extension, enab le the Ext ension through
the Monit or section of the VR Manager software.
Ad ditional t roubleshooting tip s and answers to Freq uent ly Asked
Questions are available on the Vuzix website (www.vuzix.com).