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Jkirschhealy Author

Level 1

4 points

My iMac won’t start up. Stuck on grey screen. Try to reinstall OS but there is no start up disk to proceed

I can’t reinstall OS X there is no start up disk present to proceed

iMac 21.5", macOS 10.15

Posted on Jan 22, 2020 11:46 AM

Top-ranking reply

rkaufmann87

Level 10

144,216 points

Posted on Jan 22, 2020 11:51 AM

Please attempt to reuse set the NVRAM and to restart in Safe Mode. If both fail, the next step is restarting in the Recovery PartitIon and open Disk Utility and run First Aide. If any errors appear after running FA 3 times that indicates the internal drive is damaged and in need of replacement.

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My iMac won’t start up. Stuck on grey screen. Try to reinstall OS but there is no start up disk to proceed

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