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4K HDMI™ output sometimes looks scrambled after ClickShare Base Unit reboot

Article number: [7270]

Applicable to

Issue:
Occasionally the 4K HDMI™ output display looks scrambled (see picture below), after a reboot of the Base Unit the image may look fine again.

image.png

Solution:
This symptom is only observed on the 4K HDMI outputs in combination with usage of non 360-degree bond shielding HDMI cables supporting the HDMI 2.0 specification.

Using the proper HDMI cables or lowering the output resolution will fix this symptom, see KB4297 for details.

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Last updated Oct 14, 2025

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