White screen
iMac has white screen and won’t power up
iMac
Apple Event: May 7th at 7 am PT
iMac has white screen and won’t power up
iMac
Check the startup disk for errors ..
Startup your Mac while holding down the Command + R keys.
From there you should be able to access the built in utilities to verify and repair the disk if necessary using macOS Recovery.
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White screen