Weird marks on screen

anay65,

Thank you for letting us know.

If the steps in the first link we provided in our previous reply didn't help, please contact Apple Support for further assistance.

You may be able to contact Apple Support here: Get Support

Take care!

Hello anay65,

We understand that there are marks on your MacBook Air screen, and we'd like to help.

Do those marks still appear after cleaning your Mac screen using the steps? Clean your Mac computer’s screen or display

If the marks still appear after cleaning the screen with the above steps, please contact Apple Support here: Get Support

Thanks!