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  1. #1

    Member Since
    Sep 24, 2011
    Bad update (infected?!)?
    I had a little window pop up telling me there was a 'MacBook Pro EFI Firmware Update' available so I clicked 'Install and Restart'. It installed but in the process of restarting, it ejected the DVD I had in and also made a loud, short noise that didn't sound too healthy... after about a minute of loading, it switched on again.

    Should I be worried or will this be a genuine update?


  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    It's normal. A firmware update is different from a software update in that it updates the "brain" of your Mac. That's why you're warned about not installing firmware updates while on battery.

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