The GV1480GV1240GV1248GV1120 driver you're referring to likely relates to Graphics Processing Units (GPUs) or video display chips, commonly produced by companies like Geovision or other manufacturers involved in the production of video cards, video surveillance hardware, or other graphics-related technologies.

Based on the names listed, they may refer to multiple models of video capture cards or video processing chips, but without specific context or clearer identification (such as the exact hardware), it's difficult to give precise details.

However, I'll guide you through the general process of installing drivers for graphics-related devices (like video capture cards or GPUs):