my isight camera was not working. so i tried to smc reset it as said in apples support community but now wat happened is my macbook pro don't charge, it don't show any light for checking charge, nor it starts up. please help. Thanks

Hi armanav7!

I have an article here for you that can help you troubleshoot this power issue on your MacBook Pro.

Troubleshooting: My computer won't turn on

http://support.apple.com/kb/TS1367

When you get the computer powered back up, I have another article here which can help you troubleshoot your iSight camera issue to make sure that you haven't overlooked any troubleshooting steps:

How to Troubleshoot iSight

http://support.apple.com/kb/ht2090

Take care, and thanks for visiting the Apple Support Communities.

-Braden

Try zapping the PRAM. See KB Article http://support.apple.com/kb/PH11243 OS X Mountain Lion: Reset your computer’s PRAM

Hi again armanav7!

Thank you for using the Apple Support Community. Due to the nature of your issue or question you may find more information by using another one of Apple's support resources - https://expresslane.apple.com/GetproductgroupList.action.

Cheers,

Braden