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Andrew Becker

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  • November 14, 2026 at 8:48 pm in reply to: [Solved] How to fix Homebrew Command Not Found & PATH Collision on Apple Silicon caused by Shell startup files invoking obsolete Intel /usr/local/bin before native /opt/homebrew/bin on Mac mini M4 #12063
    Andrew Becker
    Community Contributor
    Apple Recommended / Verified Community Solution
    This canonical solution was verified and marked as solved in the Apple Support Community archive.

    Injecting official Apple Silicon Homebrew environment evaluation into ~/.zprofile.

    Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

    1. Add native ARM64 prefix to profile: 
      echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zprofile
eval "$(/opt/homebrew/bin/brew shellenv)"
    2. Verify native execution: 
      which brew
file $(which brew) # must output: Mach-O 64-bit executable arm64
    3. Run diagnosis: 
      brew doctor

    Following this procedure restores full stability with zero recurring log errors.

    MacBook Pro 14″ M1 Pro (16GB) | Apple Diagnostics Suite | Wi-Fi 6E Sniffer | Aarhus, DK
    Apple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP)
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