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CompTIA

220-1101 · Question #727

A technician has been called into a conference room to help with a video call setup. The user is unable to get the laptop screen to mirror to the in-room television. The technician confirms that the a

The correct answer is C. The wrong input is selected on the television.. The TV displaying a blinking logo confirms it has power and is functioning. The HDMI cable is confirmed connected. The most common and likely cause in this scenario is that the TV's input source is set to the wrong HDMI port (e.g., the cable is in HDMI 2 but the TV is displaying

Hardware and network troubleshooting

Question

A technician has been called into a conference room to help with a video call setup. The user is unable to get the laptop screen to mirror to the in-room television. The technician confirms that the appropriate HDMI cable is plugged into the user's computer and the TV has a blinking logo on the screen. Which of the following is most likely causing the issue?

Options

  • AThe user's laptop does not support screen mirroring
  • BThe television does not support screen mirroring
  • CThe wrong input is selected on the television.
  • DThe user does not have Bluetooth enabled on the laptop.
  • EThe television has a defective A/C adapter cable.

How the community answered

(67 responses)
  • A
    7% (5)
  • B
    1% (1)
  • C
    76% (51)
  • D
    3% (2)
  • E
    12% (8)

Explanation

The TV displaying a blinking logo confirms it has power and is functioning. The HDMI cable is confirmed connected. The most common and likely cause in this scenario is that the TV's input source is set to the wrong HDMI port (e.g., the cable is in HDMI 2 but the TV is displaying HDMI 1). Switching to the correct input immediately resolves the issue. Bluetooth (Option D) is irrelevant to HDMI mirroring. A defective AC adapter (Option E) would prevent the TV from powering on at all. Lack of screen mirroring support (Options A and B) is unlikely given that HDMI mirroring is a universal standard.

Topics

#Display troubleshooting#HDMI#Video output#Troubleshooting

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