CompTIA
220-1201 · Question #231
A user connects a company-issued laptop to a 4K TV but can only get 1080p resolution on the TV. The technician confirms that the laptop is capable of producing a 4K output. Which of the following is…
The correct answer is B. The HDMI cable version is incorrect. An older HDMI cable version may not support 4K resolution. For 4K output, both the device and the cable must support HDMI 2.0 or higher.
Submitted by valeria.br· Mar 30, 2026Hardware
Question
A user connects a company-issued laptop to a 4K TV but can only get 1080p resolution on the TV. The technician confirms that the laptop is capable of producing a 4K output. Which of the following is the most likely cause of the issue?
Options
- AThe TV firmware is out of date
- BThe HDMI cable version is incorrect
- CThe laptop firmware is not current
- DThe CPU cannot keep up with the transcoding
How the community answered
(35 responses)- A6% (2)
- B60% (21)
- C11% (4)
- D23% (8)
Explanation
An older HDMI cable version may not support 4K resolution. For 4K output, both the device and the cable must support HDMI 2.0 or higher.
Topics
#HDMI standards#Display troubleshooting#Video resolution
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