HP Pavillion DV9005CA — technical problem burning of VGA controller chip twice

Address:

West Delhi, Delhi

Dear Sir/Madam,
Greetings,
Sir I bought a laptop two months ago. It's second hand. My problem is within these two months I have faced problem of burning of VGA controller chip twice.
And nobody tell me what is the problem exactly. I want to know what is the technical reason behind this and what is the permanent solution for this.
please help me I don't have money to repair again and again.

you can suggest me some internet pages or any instruction except to go to service center. they ask for money for their help. you can email me at [protected]@yahoo.co.in
reply as soon as possible

thanks
anurag chauhan