So, I had a double boot of Ubuntu and Windows 7 on my VAIO laptop. Ubuntu had taken up too much space, so I removed it from its partition (stupid decision in hindsight; I don't need to hear about that). When I try to turn my laptop on, I get this message:
System Manufacturer/Model Number Lenovo ThinkPad W520 (4270CT) OS Windows 7 Professional x64 CPU Intel Core i7-2720QM Memory 4GB (2 x 2GB) Graphics Card NVIDIA Quadro 2000M (with Optimus)
System Manufacturer/Model Number Lenovo ThinkPad W520 (4270CT) OS Windows 7 Professional x64 CPU Intel Core i7-2720QM Memory 4GB (2 x 2GB) Graphics Card NVIDIA Quadro 2000M (with Optimus)