ACS Apple Hardware & Software Troubleshooting 3 — Questions and Answers
Question 1: What does SMART status 'Failing' indicate when reported by Disk Utility?
- The drive needs reformatting
- The drive is experiencing hardware-level errors and should be replaced immediately (Correct answer)
- Drive encryption is degraded
- A firmware update is available for the drive
Correct answer: The drive is experiencing hardware-level errors and should be replaced immediately
A SMART Failing status means the drive's self-monitoring has detected imminent failure, and data should be backed up and the drive replaced.
Question 2: Which keyboard shortcut boots a Mac into Target Disk Mode?
- Command + R
- Option + Command + P + R
- T (held at startup) (Correct answer)
- Command + S
Correct answer: T (held at startup)
Holding the T key during startup boots a Mac into Target Disk Mode, making its storage accessible as an external drive.
Question 3: A user's AirPods Pro keep disconnecting from their iPhone. After re-pairing fails, what is the recommended next step?
- Replace the AirPods
- Factory reset the AirPods by holding the setup button until the LED flashes amber then white (Correct answer)
- Update macOS on a paired Mac
- Disable Wi-Fi on the iPhone
Correct answer: Factory reset the AirPods by holding the setup button until the LED flashes amber then white
Holding the setup button on the AirPods case until the LED cycles amber then white performs a factory reset, clearing all pairing data.
Question 4: What is the maximum RAM officially supported by the Apple M2 Max chip?
- 32 GB
- 64 GB
- 96 GB (Correct answer)
- 128 GB
Correct answer: 96 GB
The M2 Max chip supports up to 96 GB of unified memory, making it suitable for pro-level workloads.
Question 5: A customer's iMac has vertical lines on the display. After confirming external display works normally, what area should be investigated?
- RAM slots
- Internal display cable or GPU connection (Correct answer)
- SMC firmware
- Logic board capacitors
Correct answer: Internal display cable or GPU connection
Since an external display works correctly, the issue is isolated to the internal display connection—typically the display cable or GPU video output for that panel.
Question 6: Which macOS command-line tool can force-kill an unresponsive application by its process name?
- ps aux
- killall [app name] (Correct answer)
- top -n
- launchctl stop
Correct answer: killall [app name]
The `killall` command sends a termination signal to all processes matching the specified name, effectively force-quitting the app.
Question 7: An iPad shows 'Unable to Check for Update' when attempting an OTA update. What is the most common fix?
- Restore the iPad via Finder or iTunes
- Check internet connection, free up storage to at least 5 GB, and retry (Correct answer)
- Disable iCloud and retry
- Reset the Apple ID password
Correct answer: Check internet connection, free up storage to at least 5 GB, and retry
OTA updates require a stable internet connection and sufficient free storage (typically 5 GB or more) to download and install.
ACS Apple Hardware & Software Troubleshooting 3
What does SMART status 'Failing' indicate when reported by Disk Utility?