Flickering lines on MacBook Air

Hello deej67,

We understand that you're seeing flickering lines on your MacBook Air. Is this happening no matter what's going on, such as app or sitting idle? Does it also occur during startup?

A diagnostic test can help narrow down if there's any overt hardware concerns going on. Here's how to do that: Use Apple Diagnostics to test your Mac

Let us know what it reports and we'll go from there!