Startup macbook air 2013

If your Mac doesn't start up all the way - Apple Support

"Nothing improve"

-------

Thank you for the photo.

Go Here: If your Mac Starts Up to a Question Mark - Apple Support

Edit...

"Startup macbook air 2013: Doesn't start up all the way: Yes .I trying all the way."

-------

Provide a Phot of the Screen:

Can you provide a Photo of what you see on your screen? That would most certainly help. IMPORTANT: Block out any personal info (i.e. names and time) by covering it with red-colored rectangles and such, through use of the Photos app).

"Startup macbook air 2013: Doesn't start up all the way"

-------

Provide More:

So, where does it stall? Are you able to get into the sign in page for users? Is your user account locked? Is it in a Boot Loop? Do you see a question mark on your Mac?