Here is exactly how to get your HKD-780 working today. The HKD-780 is not a standard webcam. It uses a legacy USB 2.0 Video Bridge chip (often an eMPIA or Sonix chip). Windows does not automatically install this driver.
If you do not have dental software, download a free viewer like (Open > Capture Device > DirectShow) or ManyCam to test the camera. Final Verdict The HKD-780 is a reliable, cheap intraoral camera, but its drivers are stuck in the Windows 7 era. Stick to the eMPIA generic driver , force a USB 2.0 connection, and avoid "driver booster" websites. Dental Camera Hkd-780 Usb Driver Download
HKD-780 Dental Camera Driver Download & Installation Guide (Windows 10/11) Here is exactly how to get your HKD-780 working today
You do not need expensive software to fix this. You simply need the correct USB driver. Unfortunately, the manufacturer often provides a generic mini-CD, which most modern laptops don't even have a slot for anymore. Windows does not automatically install this driver