100-140 Question 176
Select 3A remote employee contacts IT support because their built-in laptop webcam displays a black screen during video calls. Which actions should the IT technician take as part of the troubleshooting process?
- A
Verify that the webcam is enabled in the operating system settings.
- B
Check if the webcam is being used by another application.
- C
Update the video conferencing application to its latest version.
- D
Ensure the webcam privacy cover is open or removed.
- E
Replace the webcam hardware immediately.
Show answer and explanation
Correct answers: A, B, D
Explanation
Troubleshooting a non-functional webcam involves checking both software and hardware factors. The most common causes for a black screen include the device being disabled, being used by another application, or being blocked by a privacy cover. Updating software is important but not directly related to this specific issue, and replacing hardware should only occur after other troubleshooting steps have failed.
- A. Correct.
Verifying that the webcam is enabled in the operating system settings is crucial because the device might be disabled, causing it not to work.
- B. Correct.
If another application is using the webcam, it can prevent the video conferencing application from accessing it, leading to a black screen.
- C. Incorrect.
Updating the video conferencing application is good practice but is not directly related to a black screen caused by webcam issues.
- D. Correct.
A physical privacy cover could block the camera, and ensuring it is open or removed is a necessary step in troubleshooting.
- E. Incorrect.
Replacing the webcam hardware immediately is premature and should only occur after all troubleshooting steps have been exhausted.