If your device specifies class code 02 but a subclass code value other than 02, Usbser.sys does not load automatically.With this approach, you are not required to distribute INF files for your device because the system uses Usbser.inf. For more information, see USB communications device class. If you want to load Usbser.sys automatically, set the class code to 02 and subclass code to 02 in the Device Descriptor.The driver is loaded based on a compatible ID match similar to other USB device class drivers included in Windows. If your device belongs to the Communications and CDC Control device class, Usbser.sys is loaded automatically.You do not need to write your own INF to reference the driver. In Windows 10, a new INF, Usbser.inf, has been added to %Systemroot%Inf that loads Usbser.sys as the function device object (FDO) in the device stack.
For the list of USB device class driver included in Windows, see USB device class drivers included in Windows. If they are not installed automatically, contact the device manufacturer.
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If you trying to install a USB device class driver included in Windows, you do not need to download the driver. Load the Microsoft-provided in-box driver (Usbser.sys) for your Communications and CDC Control device. In addition, UWP applications can now use the APIs provided by the new namespace that allow apps to talk to these devices.
Device manufacturers of CDC Control devices.> Thin2000 Usb Display Adapter Driver Versions supported Home / Driver for USB 3.0 to HDMI Adapter.
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