ACMT Hardware Diagnostics & Repair 2 — Questions and Answers
Question 1: What is the purpose of the Apple Configurator 2 application in a service context?
- Running hardware diagnostics
- Restoring or reviving Apple devices including Apple Silicon Macs (Correct answer)
- Updating macOS remotely
- Calibrating displays
Correct answer: Restoring or reviving Apple devices including Apple Silicon Macs
Apple Configurator 2 is used to restore or revive Apple Silicon Macs and other Apple devices when they cannot boot normally.
Question 2: A MacBook Air powers on but immediately shuts off. Which component is most likely causing this behavior?
- Faulty display
- Swollen or failed battery (Correct answer)
- Corrupt Bluetooth firmware
- Defective webcam
Correct answer: Swollen or failed battery
A swollen or failed battery can cause immediate shutdowns after power-on due to inability to supply stable current to the logic board.
Question 3: When is it appropriate to use a heat gun during a MacBook repair?
- To reflow solder on the logic board
- To soften adhesive securing the battery or display assembly (Correct answer)
- To speed up drying of cleaning solutions
- To warm the RAM before installation
Correct answer: To soften adhesive securing the battery or display assembly
A heat gun or iOpener is used to carefully soften the adhesive that secures batteries and display assemblies to allow safe removal.
Question 4: Which tool is required to remove the pentalobe screws on the bottom case of a MacBook?
- P5 pentalobe screwdriver (Correct answer)
- T5 Torx screwdriver
- JIS #00 screwdriver
- Phillips #000 screwdriver
Correct answer: P5 pentalobe screwdriver
MacBook bottom case pentalobe screws require a P5 pentalobe screwdriver, which is unique to Apple's design.
Question 5: After replacing a MacBook keyboard, a technician notices some keys are unresponsive. What is the most likely cause?
- Incorrect macOS version
- Keyboard flex cable not fully seated in its ZIF connector (Correct answer)
- Wrong keyboard layout selected in System Settings
- Battery not connected
Correct answer: Keyboard flex cable not fully seated in its ZIF connector
An incompletely seated ZIF (Zero Insertion Force) flex cable connector is the most common cause of partial keyboard failure after replacement.
Question 6: Which symptom most strongly indicates a failing GPU on an iMac?
- Slow file transfers
- Distorted or corrupted graphics at login screen (Correct answer)
- Fans running at full speed
- No Wi-Fi connectivity
Correct answer: Distorted or corrupted graphics at login screen
Distorted, corrupted, or artifacted graphics visible even at the login screen point to a hardware GPU failure rather than a software issue.
ACMT Hardware Diagnostics & Repair 2
What is the purpose of the Apple Configurator 2 application in a service context?