The graphics card on a laptop is what draws an image on the screen. No image means you graphics card has a problem. There is a 50/50 chance of repair with graphics card problems. Many companies will tell you they can reball the graphics card chipset and it will last forever. For many years we have been repairing these graphics cards much longer than any other company. We have tried reflowing the chipset and reballing the chipset ( rhetoric for fixing the graphics card)
In around 30% of cases the laptop will be returned with the same problem. It may last a month or 6 months or even 2 years but it will have the same problem again as soon as the fans are blocked or the laptop overheats. If you have a graphics card problem, give the experts a call help is at hand.