iMac 27 inch needs help
my 27 inch I Mac trying to start up its loading screen stays gray then turns off and keep on doing the same thing till I shut down by pressing power bitten can som one help please
Apple Event: May 7th at 7 am PT
my 27 inch I Mac trying to start up its loading screen stays gray then turns off and keep on doing the same thing till I shut down by pressing power bitten can som one help please
How to Fix a Mac That Stalls on the Gray Screen at Startup
Mac OS X- Gray screen appears during startup
A Troubleshooting Protocol to Identify Problems or Fix macOS El Capitan or Later
You should try each, one at a time, then test to see if the problem is fixed before going on to the next.
Be sure to backup your files before proceeding if possible.
- Select Disk Utility from the Utility Menu and click on Continue button.
- When Disk Utility loads select the drive (out-dented entry) from the Device list.
- Click on the Erase icon in Disk Utility's toolbar. A panel will drop down.
- Set the Format type to APFS (for SSDs only) or Mac OS Extended (Journaled.)
- Click on the Apply button, then wait for the Done button to activate and click on it.
- Quit Disk Utility and return to the Utility Menu.
- Select Reinstall OS X and click on the Continue button.
iMac 27 inch needs help