Dell XPS 15 9550-15.6 4K - i7-6700H - NVIDIA GeForce GTX 960M - 16GB - 512GB SSD - Silver Brand: DELL Dell XPS-15 9550 OS: Windows 11 Home Software: Office Color: Silver Accessories: Genuine adapter, box There are no operational issues. It can be used immediately after purchase. The battery also works without problems, so it's okay even if you don't connect the cord. Since it is a used item, there may be scratches, stains, and signs of use on the main unit.