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Computer Support/Hardware Troubleshooting/Mobile Devices

From Wikiversity

This lesson covers troubleshooting mobile devices.

Objectives and Skills

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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

Readings

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Multimedia

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  1. YouTube: Troubleshooting Laptops - CompTIA A+ 220-901 - 4.5
  2. YouTube: Troubleshooting Mobile Devices - CompTIA A+ 220-901 - 4.5
  3. YouTube: Device Disassembly Best Practices - CompTIA A+ 220-901 - 4.5

Activities

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References

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