I have a Logitech webcam. My laptop has an integrated camera, the quality of which is unfortunately not good.
when I plug the cameras into Usb, they are not displayed to me.
Can someone help me?
Maybe install the cam software?
and with the windwos camera app you can switch between cameras. It works like a cell phone with a front and rear camera
Which operating system, which software should the webcam display?
Unfortunately, webcams are often not recognized, test it again by connecting it to a different USB port and look at the settings of e.g. Skype whether you can change the webcam.
If not, the laptop just won't recognize that model. The manufacturer often does not offer a driver to download…
If the webcam works elsewhere, it is due to the laptop manufacturer's bad motherboard USB chipset driver.
If the webcam is not recognized by other devices either, it is defective itself.
Normally you should be able to select the cam you want to stream with in the corresponding software.
If in doubt, deactivate the integrated cam or uninstall its driver.
Where is it not displayed?
Have you looked in the device manager under "image processing devices"?