Can you let me and Rocío know whom of you needs a monitor or a 2nd monitor? Also, check what type of adapter your computer needs. Many laptops use HDMI, but some are different, and our more recent Lenovo towers use displayports. This is the one I have for my Lenovo PC: https://www.hp.com/es-es/shop/product.aspx?id=9VF96AA&opt=ABB&sel=MTO#detailedSpecs