Need more information.
What was the OS that was previously on?
Were you trying to install macOS Sierra from an installer made onto a USB thumb drive or other source? Or are you trying to install macOS High Sierra?
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 >
Need more information.
What was the OS that was previously on?
Were you trying to install macOS Sierra from an installer made onto a USB thumb drive or other source? Or are you trying to install macOS High Sierra?
What are you seeing? Error message(s)?
i have erased my earlier mac operating system, but i started to install the new macOS sierra. it is not installing... can you help me out?? please