Want to highlight a helpful answer? Upvote!
Did someone help you, or did an answer or User Tip resolve your issue? Upvote by selecting the upvote arrow. Your feedback helps others! Learn more about when to upvote >
Did someone help you, or did an answer or User Tip resolve your issue? Upvote by selecting the upvote arrow. Your feedback helps others! Learn more about when to upvote >
Question marked as
Best reply
It's a graphics issue.
You need to contact Apple Support or make a Service Appointment at your local Apple Authorized Service Provider.
1 reply
There are no replies.
Glitchy lines on my iMac screen