You open the Device Manager, but it doesn’t recognize your webcam software at all. If it’s still not working, go to Microsoft System Restore and switch back to the version you had before the update.
When it’s done, restart your laptop and try the software again. When you find a webcam driver on the list, right-click it and choose Update Driver Software. Double-click on Imaging Devices, and you’ll see an expanded list of drivers available for your webcam. Open the Device Manager on your laptop. Your cam was working just fine until you had to install a Windows update. Try opening the webcam software again to see if it’s working. Install it following the instructions from the webpage, and when you’re done, restart your laptop. Find the webcam driver in the list of available drivers and download it to your laptop. On the next page, your laptop’s details are displayed along with the OS you’re using. Type in the serial number of your laptop and select Submit to continue. Go to the official HP Software and Driver Downloads page to find a driver that needs replacing. Type the following command and the process ID (the 4 digits next to the program’s name) to terminate the app that uses your camera: sudo kill -9 XXXX.The reason why the video isn’t displaying on your EliteBook may be an outdated or missing driver. If you don’t get any information, you can alternatively try these commands as well: lsof | grep “iSight” and lsof | grep “VDC”. It will allow you to see your webcam history on Mac. Type this command: lsof | grep “AppleCamera”. Disable the apps that you don’t want to use your camera. Scroll through the app list and see which ones can access your camera. Here’s how to access this feature and view your webcam history on Windows: :max_bytes(150000):strip_icc()/006_what-is-and-how-to-test-webcam-4163134-29a495dd00fb4f919de621636ccac3ec.jpg "how to test to see if web cam works")
It works both for external and built-in cameras. Windows provides users with an easy way to check which apps are using your camera. What apps are using my camera on Windows?
If this is what’s happening, move on to the next step. If your webcam light turns on a few seconds after you reboot your computer, without launching any applications – you might’ve been hacked.
Since you may have a lot of them on your computer, the process might be time-consuming. To test them, do this: launch an application and see if the webcam indicator lights up, if yes – bingo, if not – continue to open apps one by one until you spot the one secretly using it. Another potential reason why your light is flashing might be applications.
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