GREEN Line problem

[hairi]

When I create new document, the artboards come out like that

How can I return to white artboard.....T.T But when I zoom out the screen, the artboards return to white temporarily. Please help mee

[Ton Frederiks · Accepted solution]

You created a document based on a Film & Video preset.

Try creating new documents based on Print (CMYK) or Illustration (RGB)

[キィィ─!!!]

Take a look at this document.
https://helpx.adobe.com/illustrator/using/using-multiple-artboards.html
"Artbord option” and “View artboards and the canvas"