All depends on your webcam, and webcam program.
You can turn on the built in Webcam, for a Mercer laptop computer by going to the program menu. In the program menu click on YouCam. Open the YouCam program and the Webcam will turn on.
Open a webcam program and it should work.
A person usually does not have to 'activate' a built in webcam. Usually, all they have to do, is have a webcam program that will open the webcam.
As long as the drivers are installed any program that needs the webcam or can support a webcam will use it automatically
YES.
Most HP model laptops are packed with 'HP Webcam' software. If it is not installed please check with your manafacturer's website at: www.hp.com/support/
To use your laptop webcam, you have to install a program that is compatible with webcam chat such as Skype or MSN. Both programs are free and can be downloaded on their websites.
Camtasia is a pretty good screen capture program. Or you could use an online one like Screentoaster. As for exporting it as a webcam; Manycam is a webcam emulation software package. If you go into the source options you can set it to Desktop. The your screen will be exported to the Manycam virtual webcam.
Go to the website webcamtest.com. This will allow you to use a very basic program to see if your webcam is up and running or if you're having a problem with a program.
no
Most webcams do not "turn on" until an application that supports them is running, such as a game, imaging program, or instant messenger application. The reason for this is so that a user will always know when his/her webcam is being accessed, including by a hacker. In other words, your webcam will not do anything until run a program that will actually use it trust me.