Computer Support/Hardware Troubleshooting/Mobile Devices
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This lesson covers troubleshooting mobile devices.
Objectives and Skills
[edit | edit source]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
- Common symptoms
Readings
[edit | edit source]Multimedia
[edit | edit source]- YouTube: Troubleshooting Laptops - CompTIA A+ 220-901 - 4.5
- YouTube: Troubleshooting Mobile Devices - CompTIA A+ 220-901 - 4.5
- YouTube: Device Disassembly Best Practices - CompTIA A+ 220-901 - 4.5