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firmware battery

  1. dophineh

    cannot reset nvram (dead firmware battery?)

    I have a mid '14 MacBook Pro 15" that will not boot due to a (1) typo I made in the nvram's boot-args, and (2) inability to reset the nvram. I suspect this is because my machine has a dead firmware battery, which it may have always had- I've always noticed that exhausting the main battery would...
    • dophineh
    • Thread
    • firmware firmware battery nvram smc
    • Replies: 12
    • Forum: MacBook Pro
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