Computer Support/Hardware Troubleshooting/Mobile Devices

This lesson covers troubleshooting mobile devices.

Objectives and Skills

Objectives and skills for the troubleshooting mobile devices portion of A+ certification include:^[1]

Given a scenario, troubleshoot and repair common mobile device issues while adhering to the appropriate procedures.

Common symptoms
- No display
- Dim display
- Flickering display
- Sticking keys
- Intermittent wireless
- Battery not charging
- Ghost cursor/pointer drift
- No power
- Num lock indicator lights
- No wireless connectivity
- No Bluetooth connectivity
- Cannot display to external monitor
- Touchscreen non-responsive
- Apps not loading
- Slow performance
- Unable to decrypt email
- Extremely short battery life
- Overheating
- Frozen system
- No sound from speakers
- GPS not functioning
- Swollen battery
Disassembling processes for proper re-assembly
- Document and label cable and screw locations
- Organize parts
- Refer to manufacturer resources
- Use appropriate hand tools