User level: Level 1 (4 points)I’m trying to start up my old MacBook Air but it lets me sign in then it just sits there running and looks like this constantly running with this symbol on the screen I’ve tried to do command-shift-R nothing I’ve tried all the things mentioned so please help
Posted on Sep 20, 2026 7:24 PM
User level: Level 10 (87,747 points)Sep 20, 2026 7:30 PM in response to tonyakillen
This may help you: If your Mac starts up to a circle with a line through it - Apple Support
User level: Level 9 (53,902 points)Sep 21, 2026 12:48 AM in response to tonyakillen
Hi,
Try to reinstall macOS on your MacBook Air with Recovery mode.
How to start up from macOS Recovery – Apple Support (AU)
User level: Level 9 (53,902 points)Sep 20, 2026 9:41 PM in response to tonyakillen
Hi,
"Circle with a line through it" means the macOS installed on your MacBook Air doesn't compatible with your MacBook Air.
Try to startup in Safe mode then normal boot which could help your issue.
User level: Level 10 (211,627 points)Sep 21, 2026 12:24 AM in response to tonyakillen
"Help me with my old MacBook air: I’m trying to start up my old MacBook Air but it lets me sign in then it just sits there running and looks like this constantly running with this symbol on the screen I’ve tried to do command-shift-R nothing I’ve tried all the things mentioned so please help"
-------
Get macOS Reinstalled:
Have Ethernet?
If so, then try connecting and performing it through that. With no Ethernet Port, and only USB-A or -C ports, you'll need one of the following adapters. Being an Earlier Mac model, you'll likely need a USB-A 2.0 to Ethernet Adapter (being obsolete, it is no longer available on Apple's Web site. You'll have to get one from a third-party, perhaps ebay, Amazon, or craigslist.).
A. For More Modern Macs (2014 and after):
B. For Earlier Mac Models:
Originally posted at discussions.apple.com/thread/256361571