If it is showing those multiple lines,even at the POST screen it is almost certain the video RAM is at fault.
I do n't suppose this is still under warranty? Try to find the invoice and check out the suppliers website.
This is a absolute last ditch 'kill or cure' fix. Use it entirely at your own peril, and read the whole thread before you begin.
Two others here have used this, one worked, the other did not, so there is no guarantee it will work for you.http://hardforum.com/showthread.php?t=1421792.