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I've got a PC Link USB Microscope that claims to run without drivers as a 'USB Video Device' When I plug it in, it tries to run the windows driver installer. If I abort out, it says it won't work properly. When I right click on 'My Computer' and select Hardware / Device Manager, It shows other devices / usb camera with a '?' There is an exe file on the CD that came with the microscope and in the 'driver' folder is an exe file. When I execute that, It says it will install the driver, and when I select 'next' it states the camera is not found.

Plug it in and restart. I've tried this on three computers. 3d modeli vistavochnie stendi 3. Any suggestions? I found an updated driver at: After installing this driver, which isn't included on the CD that came with the kit, all is well. Paul 23/5/2009, 22:03 น.

That download is an Installshield, so I cannot comment on it. I don't have any tools for dissassembling Installshield. USB video cameras come in two flavors. A camera can be UVC compliant, or it can possess a non-standard proprietary interface. If it is proprietary, a company provided driver package will be required.

If a camera is UVC, then it can automatically have a driver installed by Windows. But beware, that even if it is UVC compliant, not all of the functionality may be controlled or offered by UVC. My camera, for example, will not present its top resolution choice, when used with Windows software.

But if I install the vendors bloated driver package, then the top resolution choice is offered. (The driver package is bad enough, that I uninstall the software, after I'm finished using the camera. It leaves stuff running all the time in Task Manager, even when the camera is unplugged.

And more than one process.) If you wish to examine the configuration data offered by the camera, Microsoft has an old program called UVCView. The download is no longer offered, but is archived here. At one time, the archive copy was damaged (missing the last byte), but the archive operators have fixed that problem.

The following is all one URL. Click the latest entry on the page, and give it a try. When the program is running, the entries look similar to this. The right hand pane holds the configuration data. USB web camera controller ICs, have the ability to support custom vendor and device ID numbers. That makes it virtually impossible to trace what hardware is inside. There is a controller chip and a sensor chip, and if a driver is needed, it needs to understand both of those parts.

And some webcams (like mine), have additional junk inside, such as a focus motor. Even if you find a driver which is 'close' to being correct, it may not know there is a focus motor present or what to do with it. Which is why I say, for USB video devices, the main value of the product is the software CD, not the hardware. If it doesn't come with working software, the hardware is worth very little. Paul Sam P 24/5/2009, 5:45 น. Wow, that's a lot of great info.