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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 abortout, it says it won't work properly. When I right click on 'My Computer'and select Hardware / Device Manager, It shows other devices / usb camerawith 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 willinstall the driver, and when I select 'next' it states the camera is notfound. Plug it in and restart.I've tried this on three computers. Any suggestions?I found an updated driver at:After installing this driver, which isn't included on the CD that came withthe kit, all is well.
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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 abortout, it says it won't work properly.
When I right click on 'My Computer'and select Hardware / Device Manager, It shows other devices / usb camerawith 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 willinstall the driver, and when I select 'next' it states the camera is notfound. Plug it in and restart.I've tried this on three computers.
Any suggestions?I found an updated driver at:After installing this driver, which isn't included on the CD that came withthe kit, all is well. That download is an Installshield, so I cannot comment on it. I don't haveany 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 isproprietary, a company provided driver package will be required.If a camera is UVC, then it can automatically have a driver installedby Windows. But beware, that even if it is UVC compliant, not all of thefunctionality may be controlled or offered by UVC. My camera, for example,will not present its top resolution choice, when used with Windowssoftware. But if I install the vendors bloated driver package, thenthe top resolution choice is offered. (The driver package is bad enough,that I uninstall the software, after I'm finished using the camera.
Itleaves stuff running all the time in Task Manager, even when the camerais 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 longeroffered, 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 righthand pane holds the configuration data.USB web camera controller ICs, have the ability to supportcustom vendor and device ID numbers. That makes it virtuallyimpossible to trace what hardware is inside. There is a controllerchip and a sensor chip, and if a driver is needed, it needs tounderstand both of those parts.
And some webcams (like mine), haveadditional junk inside, such as a focus motor. Even if you finda driver which is 'close' to being correct, it may not knowthere 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 productis the software CD, not the hardware.
If it doesn't come with workingsoftware, the hardware is worth very little.Paul.
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March 2023
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