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CompTIA

220-1101 · Question #33

A laptop's external webcam software is running, but it shows no image or video. Which of the following should a technician perform FIRST?

The correct answer is C. Reseat the webcam.. Basic troubleshooting always starts with physical layer checks before moving to software solutions. For an external webcam, reseating (unplugging and firmly reconnecting) the device ensures the physical and electrical connection is solid - a loose USB connection is a very common,

Hardware and network troubleshooting

Question

A laptop's external webcam software is running, but it shows no image or video. Which of the following should a technician perform FIRST?

Options

  • AResearch new webcam firmware.
  • BRestart the computer and run system diagnostics.
  • CReseat the webcam.
  • DReinstall the webcam software and drivers.

How the community answered

(49 responses)
  • A
    2% (1)
  • B
    4% (2)
  • C
    82% (40)
  • D
    12% (6)

Explanation

Basic troubleshooting always starts with physical layer checks before moving to software solutions. For an external webcam, reseating (unplugging and firmly reconnecting) the device ensures the physical and electrical connection is solid - a loose USB connection is a very common, easy-to-fix cause of 'no image' issues. Researching firmware (A) is appropriate only after simpler causes are ruled out. Restarting and running diagnostics (B) is a reasonable second step but is more time-consuming than a quick reseat. Reinstalling software/drivers (D) is a software-layer fix that should follow confirming the hardware connection is good.

Topics

#Troubleshooting#External peripherals#Laptop hardware#Physical connections

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