My Macbook Air dosnt lanch on only black screen with pics of file with question mark

That folder with a question mark means that there is an issue with your startup disk. Either it is no longer available or does not contain a working macOS.

Here is what you can do to address it ➔ If your Mac starts up to a question mark - Apple Support.

Axel F.

Please read If your Mac starts up to a question mark - Apple Support.