for your not genuine issue:
In order to receive the best support, we request all users initially download and run the Genuine
Diagnostics tool (MGADiag.exe) at this link
http://go.microsoft.com/fwlink/?linkid=52012. Click "Continue", click the "Copy" button then “Paste” the report into a reply message in this thread.
Please state the version and edition of windows from your COA. do not state the product key.
for your webcam issue ask here
http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware?tab=all