I love to collect a huge number of wallpaper for Windows 10 background. Such as this one, one of the best 4K black wallpapers for Windows 10. This wallpaper is the #09 of the list of 10 4K Black Wallpapers for Windows 10. I recommend you to download this wallpaper in original size, so you will get this wallpaper in 3840×2160 pixels.
This wallpaper is featured with a dark grey and a mosaic configuration of grey squares. There is a white colored logo of Windows 10 at the center of the wallpaper. I think that this dark wallpaper will be perfect as your laptop with Windows 10 operating system.