How to remove unwanted gray box icon from my MacBook screen?
i try to deleate it, restart my computer, put it in a file, but it just stays on my laptop. At least i can rename it
[Re-Titled by Moderator]
That is the Hard Drive of your computer. You can go to Finder > Settings > General, and uncheck the Hard Disk option and it will not show on your Desktop.
It won't let you delete it because it contains all the files that are stored on your computer and also allows it to start up.