Unity 2019.4.10+Vuforia 8.5.9环境，在笔记本和其它电脑上运行正常，但是在一台win10上报错，添加 ARCamera没问题，就是运行时，会显示“ Could not find specified video device”
是什么问题造成的啊？

ERROR - Could not find specified video device
UnityEngine.WebCamTexture:Play()
Vuforia.WebCamTexAdaptor:Play()
Vuforia.WebCam:StartCamera()
Vuforia.CameraDevice:StartCameraDevice()
Vuforia.CameraDevice:Start()
Vuforia.VuforiaARController:StartVuforia(Boolean)
Vuforia.VuforiaARController:StartAfterInitializationCompleted()
Vuforia.VuforiaARController:Start()
System.Delegate:DynamicInvoke(Object[])
Vuforia.DelegateHelper:InvokeDelegate(Delegate, Object[])
Vuforia.DelegateHelper:InvokeWithExceptionHandling(Action)
Vuforia.VuforiaBehaviour:Start()