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Hardware Diagnostics & Repair Flashcards

6 cards from real ACMT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which Apple tool is used to run hardware diagnostics on a Mac before beginning a repair?

    Answer: Apple Service Toolkit 2 (AST 2)

    Apple Service Toolkit 2 (AST 2) is the official diagnostic tool used by Apple Authorized Service Providers to test Mac hardware components.

  2. What does MRI stand for in the context of Apple diagnostics?

    Answer: Mac Resource Inspector

    MRI (Mac Resource Inspector) is Apple's internal diagnostic suite used to test individual hardware components on a Mac.

  3. When replacing a MacBook Pro logic board, what is the first step a technician should perform?

    Answer: Disconnect the battery connector

    Disconnecting the battery connector is the first step to prevent shorts and protect both the technician and the device during a logic board replacement.

  4. A customer's Mac does not power on and shows no signs of life. Which component should be checked first?

    Answer: Power adapter and MagSafe LED indicator

    Verifying the power adapter is functioning and checking the MagSafe or USB-C charging indicator is the first triage step for a Mac that won't power on.

  5. Which key combination boots a Mac into Apple Diagnostics when held at startup?

    Answer: Option + D

    Holding Option + D at startup boots an Intel Mac into Apple Diagnostics over the internet, allowing hardware testing without macOS.

  6. What error code category in Apple Diagnostics indicates a memory issue?

    Answer: MEM

    Apple Diagnostics error codes beginning with 'MEM' indicate that a problem was detected with the Mac's memory (RAM).