Since "f=3.85mm" is a hardware specification used by many different factories, you need to find the to get the exact driver. Right-click the Start button and select Device Manager . Look for Imaging Devices or Other Devices .
Optimizing image and zoom quality
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What or message (if any) do you see in the Device Manager? What is the Hardware ID (VID/PID) of the device? Since "f=3
Use Windows Update if necessary
Plug the webcam into a different USB port, preferably a USB 2.0 port directly on the motherboard (the back of a desktop) rather than a USB hub.
—often describes budget, no-brand, or white-label webcams (frequently identified as Giga Technology Most Likely Solution: Plug-and-Play Optimizing image and zoom quality If your basic
When driver downloads aren’t available
Toggle the switch for to On .
stands for Product ID (identifies the specific chip model). Common Generic Webcam Hardware IDs: VID_0AC8: Vimicro (Very common for f=3.85mm cameras) VID_0C45: Sonix VID_093A: Pixart Imaging Use Windows Update if necessary Plug the webcam
Troubleshooting
: Look under Cameras or Imaging Devices . It may appear as an "Unknown Device".
You will see a string of text that looks similar to this: USB\VID_0AC8&PID_303B or USB\VID_0C45&PID_6270 Decoding the ID