Buy A Monitor For Laptop Info

Show the exact same image on both screens (best for presentations).

Record yourself unboxing the monitor to make returns easier if there are "dead pixels" or shipping damage. If you'd like to narrow this down, let me know: What laptop model are you using? buy a monitor for laptop

On Windows, go to Settings > System > Display . Your laptop should auto-detect the second screen. Choose Mode: Show the exact same image on both screens