aswini_48 :
please install as us web camera in my laptop
you can click start, and type "webcam" then push enter
The K52F should be equipped with a webcam.
Try the following site to test it's functionality:
http://www.testmycam.com/
If the system do not (yet) have the necessary drivers check here:
http://support.asus.com/download.a [...] hr36Jox9Cf
Hope this helps
NB : Check Asus Tools
best regards