Apple Diagnostics & Repair Processes Flashcards
7 cards from real ACS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Apple Diagnostics & Repair Processes flashcards as text
What types of issues does resetting the SMC (System Management Controller) address on Intel-based Macs?
Answer: Issues with power management, battery charging, fans, and thermal control
The SMC controls low-level hardware functions including power management, battery charging, thermal management, and LED behavior; resetting it resolves related malfunctions.
What types of settings does NVRAM/PRAM store on a Mac?
Answer: Startup disk selection, display resolution, and time zone
NVRAM stores certain system-level settings including the chosen startup disk, display resolution, and speaker volume; resetting it clears values that may have become corrupted.
After replacing an iPhone battery, what step should a technician perform to ensure accurate battery health reporting?
Answer: Run battery calibration in AST 2 to synchronize health reporting with the new battery
Running battery calibration in AST 2 after a battery replacement ensures the device's battery health metrics are accurately calibrated to the new battery.
After completing a Mac repair, what is the recommended final step before returning the device to the customer?
Answer: Run post-repair diagnostics in AST 2 to confirm all components function correctly
Post-repair diagnostics in AST 2 verify that repaired or replaced components function correctly before the device is returned, ensuring the repair was successful.
Where should a technician verify a device's warranty status and service eligibility before beginning work?
Answer: In GSX (Global Service Exchange) using the device's serial number
GSX allows technicians to enter a serial number to retrieve accurate warranty coverage, repair history, and service eligibility before starting any repair.
What does a flashing folder with a question mark at Mac startup indicate?
Answer: The Mac cannot locate a valid bootable system on the startup disk
A flashing folder with a question mark means the Mac firmware cannot find a valid bootable macOS installation, typically indicating a storage failure or a missing/corrupted macOS system.
What is the recommended first step when a customer reports an iPhone with an unresponsive touchscreen?
Answer: Attempt a force restart before running diagnostics or considering hardware repair
A force restart can resolve software-related touchscreen freezes; if the issue persists, diagnostics should be performed to determine whether the cause is hardware or software before replacing parts.