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Helpful answers
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Jan 30, 2015 4:20 AM in response to mhaberstockby Kotbest,★HelpfulI had the same problem on my iMac after I locked my iMac with 4-digit iCloud PIN.
The solution in my case was to make "Internet Recovery" (Apple Support gave me this solution):
1. Power off your Mac
2. Power on and hold Command-Alt-R buttons
3. Mac boot with EFI PIN lock (padlock icon with bar)
4. Enter your 4-digit iCloud PIN or your Apple ID password and press Enter
5. Internet Recovery process can take about 10-15 min then Mac will boot normally.
If not, call Apple Support for help
No data lost was in my case of Internet Recovery
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Apr 23, 2015 9:22 AM in response to Kotbestby burdell2,I've been trying this solution, but whenever I type those passwords, the 'dots' go away and doesn't do anything. Any other suggestions (other than going to the Apple store?)
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Apr 23, 2015 1:02 PM in response to burdell2by Eric Root,★HelpfulDo a backup, preferable 2 separate ones on 2 drives. Boot to the Recovery Volume (command - R on a restart or hold down the option/alt key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair and Repair Permissions until you get no errors. Then re-install the OS.
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