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  1. #1
    iMac 27' Lost All Users Except "Guest User"
    TechieJustin's Avatar
    Member Since
    Dec 16, 2008
    Location
    Pennsylvania, USA
    Posts
    299
    Your Mac's Specs
    Macbook Pro 15"
    Rep Power
    11
    Angry iMac 27' Lost All Users Except "Guest User"
    We're using an 27" iMac for photography work. Normally there are a few people's logins when you boot up. The user got an error saying the drive was full, forced her to restart and then only Guest User was available at logon.

    We tried "resetpassword" command and that wasn't able to complete because it won't list the list of users.

    Only guest account show up at login screen - Apple Community

    I'm thinking the drive is bad, note below it can't find certain plist files.

    58558556587__B8AB2FC3-986E-47FF-8835-4AFFAFF2FFE5.jpg
    58558555242__43D3FB77-3C24-4D88-A342-28EC54E8760A.jpeg
    IMG_6527.jpeg

  2. #2
    iMac 27' Lost All Users Except "Guest User"
    MacInWin's Avatar
    Member Since
    Jan 01, 2009
    Location
    Winchester, VA
    Posts
    7,005
    Your Mac's Specs
    MBP 15" Mid 2015, iPhone 11 Pro, an iMac, plus ATVs, AWatch, MacMini
    Rep Power
    27
    A few questions: What iMac, exactly, is it? What version of the operating system?

    Do you have another Mac that you can use to do some diagnostics/repair? If so, you might consider using Target Mode to remove some of the files from the iMac to see if you can get it to boot. It's not good when you overfill a drive to the point where the system does what it did in this instance.

    Do you have backups?

    Target Mode: Tech Tip: How to Boot and Use a Mac in Target Disk Mode
    Jake

  3. #3
    iMac 27' Lost All Users Except "Guest User"
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, US
    Posts
    6,952
    Your Mac's Specs
    L2014 Mac mini macOS 15, iPhone 8+ iOS 13, 12.9" iPad Pro 1 iPadOS 13,  Pencil 1
    Rep Power
    14
    Have you tried to startup in Recovery mode?

    About macOS Recovery - Apple Support
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

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