Device misdetected as serial mouse. Write comdisable /disable COMx where x is the port number. Do this for all ports on the computer. I had this problem since 2010 with serial scale heads connected to the pc. Usb to serial converter or not. I use onkly SILABS device's CP2102 or the like. I worked around it by simply allowing the. Why CDC Serial Device installation fails on Windows Vista and 7? This means that for CDC 3 endpoints and one interface are used. Previous one that I was using had 3 endpoints and TWO interfaces (additional interface descriptor for Data EP, this is solution that is used in some project that I have seen so I used it before this issue).
I have a hardware device that supports three USB interfaces, serial, storage and RNDIS. The device works fine on most of the Windows 7 service pack 1 PC, however the serial port and storage interface are failed to be detected by the Windows 7 on two newly purchased DELL desktop PCs.
When the device is plugged in, the RNDIS is immediately detected and the USB viewer can retrieve all three interface descriptors from the RNDIS. However no composite device entry is generated under the USB controllers in Device Manager. This is a composite device, normally it should show up. Free serial number for ncis pc game. When I plugged the same device to a working PC, I can see the composite entry under the USB controller and three other entries under the storage, network and Ports. If I disabled the RNDIS on the device side, the two serial port and storage will show up as composite device under the USB controller and everything works fine.