sumanapyne Said:
"screen ahownn only apple logo while turning on macbook air: Hi, I am using macbook air and recently upgraded macOS to catalina version. It was running smoothly after installing catalina. However, recently I am facing an issue. While turing on the laptop, apple logo appears but then happens nothing, the screen remains showing apple logo for the long time, till I turn it off. how can I solve this problem?"
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Troubleshooting a Mac with Apple Logo:
Boot into Safe Mode:
When you boot into Safe Mode, items load by default, with certain settings and cach
No Success?...
Reinstall the macOS:
The macOS may be misconfigured somehow. So, reinstall the macOS. Nothing would be deleted. It's just that items that have become corrupted or deleted, would be replaced or reinstalled back to where they should be. Go Here: How to reinstall macOS from macOS Recovery - Apple Support.
Important: in the future, be certain to create a backup of your Mac prior to all of this. That way, you can have something to restore from the Mac from, should anything go wrong with the reinstall. Once reinstalled, create a backup.