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I am using macOS high Sierra. By mistake I converted my admin account to standard user account. Now by entering into the single user mode and trying to mount the disk,it shows message that "devise is write locked " and "IO failed , error = 13" and trying to remove the apple set up done file the error message is "no such file found." Please guide how to resolve this situation.

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What were you doing when you "converted" the account type? There is no need to re-run the setup. Just toggle the checkbox in System Preferences > Users and Groups > Allow user to administer this computer.

  • You can only do that if there is an administrator to authorise it... otherwise what would be the point of having a standard user? – Tetsujin Feb 25 '18 at 18:37
  • So your interpretation of this problem is that there was a single Admin account and the user somehow converted it to Standard? That's not supposed to be possible but I never tried. – telliott99 Feb 25 '18 at 18:46
  • It's done often enough, which is presumably why the OP was attempting the 'applesetupdone' trick - apple.stackexchange.com/search?q=applesetupdone – Tetsujin Feb 25 '18 at 18:56

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