When you troubleshoot issues with a USB video adapter, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:
Video cables
Video source
Video destination
USB video adapter
To test your setup components, try the following:
Use the video cables, video source, video destination, and USB video adapter in another setup to see if the problem is with the components or the setup.
Use a different video cable, video source, video destination, and USB video adapter in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.
When you test your cables, it is recommended that you do the following:
Test each cable individually.
Use short cables when you are testing.
When you test the video cables, video source, video destination, and USB video adapter, it is recommended that you do the following:
Check Device Manager under Display adapters, Universal Serial Bus controllers, or USB Display adapters. To do this, press the Windows key + R, type devmgmt.msc, and press Enter to open Device Manager.
If you do not see the USB video adapter in Device Manager, refer to the following FAQ: https://www.startech.com/en-us/faq/usb-cannot-detect-windows.
If the device is listed with an error, reinstall the drivers following the instructions on the website.
Check to see if your video card drivers are current. You can check what video card you have in Device Manager under Display adapters. It is recommended that you go directly to the video card manufacturer's website to check for the latest drivers.
Check to see if the monitor is being detected by Windows.
To check to see if Windows is detecting the monitor using a computer that is running a version of Windows XP, do the following:
To check to see if Windows is detecting the monitor using a computer that is running a version of Windows Vista, Windows 7, or Windows 8, do the following: