: If you have video but no sound, change your PC or app's audio output to PCM or Stereo , as many budget projectors cannot decode Dolby Digital Plus.
Updating the firmware via USB if the manufacturer releases a patch. egate projector driver
If your computer still fails to recognize the Egate projector after installing the driver, use the following troubleshooting steps to isolate and resolve the issue. Issue 1: "No Signal" or Black Screen : If you have video but no sound,
Projecting video directly through a standard USB-A or USB-C data cable. egate projector driver