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Question 402 - 220-1101 discussion

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A user calls the help desk about a 4K monitor that will not output an image from a desktop. The monitor was working previously but now shows a black screen with a message stating a signal is not detected. The desktop is connected via HDMI, and the monitor has an empty DVI port. Which of the following steps should the technician perform first?

(Select two).

A.
Check the version of the HDMI cable.
Answers
A.
Check the version of the HDMI cable.
B.
Check the input source.
Answers
B.
Check the input source.
C.
Set up the desktop for DVI.
Answers
C.
Set up the desktop for DVI.
D.
Replace the HDMI cable.
Answers
D.
Replace the HDMI cable.
E.
Install OS updates.
Answers
E.
Install OS updates.
F.
Initiate a system restore.
Answers
F.
Initiate a system restore.
Suggested answer: A, B

Explanation:

The first steps that the technician should perform are A. Check the version of the HDMI cable and B.

Check the input source.

A possible cause of the problem is that the HDMI cable is not compatible with the 4K resolution of the monitor. HDMI cables have different versions that support different features and bandwidths. For example, HDMI 1.4 supports up to 4K at 30 Hz, while HDMI 2.0 supports up to 4K at 60 Hz1. The technician should check the version of the HDMI cable and make sure it matches the specifications of the monitor and the desktop.

Another possible cause of the problem is that the monitor is not set to the correct input source. The input source is the option that allows the monitor to switch between different video signals from different ports, such as HDMI, DVI, VGA, or DisplayPort2. The technician should check the input source and make sure it is set to HDMI, since that is how the desktop is connected to the monitor.

The input source can usually be changed using the buttons or menu on the monitor itself2.

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asked 02/10/2024
bijay ghimire
37 questions
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