CompTIA A+ Certification Core 1 (220-1101) - Mobile Device Troubleshooting

The video tutorial addresses common issues with smart devices, such as touchscreen responsiveness, dim displays, audio problems, connectivity issues, app errors, slow performance, battery life, overheating, and system lockouts. Solutions include restarting devices, adjusting settings, clearing app caches, and performing factory resets. The tutorial emphasizes understanding device limitations and troubleshooting methods.

What is a common solution for a nonresponsive touchscreen on a smart device?

• Replace the touchscreen

• Restart the device

• Install more apps

• Increase the screen brightness

What should you check first if your device cannot connect to an external monitor?

• The monitor's brand

• The wireless network connection

• The device's screen resolution

• The monitor's power cable

What might cause no sound from a device's speakers?

• The device is overheating

• The volume is too high

• A Bluetooth headset is still paired

• The device is in airplane mode

What is a common cause of intermittent wireless connectivity?

• Low battery life

• A faulty touchscreen

• Interference from other networks

• A dim display

What should you ensure when trying to connect a device via Bluetooth?

• The device is connected to Wi-Fi

• The device is in discoverable mode

• The device is fully charged

• The device is in airplane mode

What is a recommended action if an app is not loading properly?

• Increase the device's brightness

• Turn off Bluetooth

• Clear the app cache

• Install more apps

What is a potential solution for a system lockout on a smart device?

• Install a new app

• Perform a factory reset

• Turn off the device

• Increase the screen brightness