Article ID: 000028393 Content Type: Troubleshooting Last Reviewed: 05/19/2022

15.46 Breaks YCbCr on DP 1.2 to HDMI 2.0

Environment

i3-6100 CPU Windows® 10 Pro 64-bit (Build 16299) ASRock H110M-STX motherboard 8GB of RAM Graphics driver 21.20.16.4542 BIOS P7.00 DP to HDMI adaptor Screen resolution 3840x2160@60hz

Windows® 10, 64-bit*

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Summary

Issue with certain DP 1.2 to HDMI 2.0 adapters displaying incorrect or no video signal.

Description

Choosing YCbCr causes signal loss to screen after upgrading to the latest HD 530 driver for Windows® 10 x64, .

Resolution

The video output range can be set using the following method for Non-Native HDMI. This method is the same as selecting the Quantization option.

Go to  Video > Basic  or Color Enhancement  > Input range > Driver Settings >  Full

Additional information
  • RGB Quantization range options in Intel® Graphics Control Panel are applicable to HDMI only, and will be seen only on Native HDMI connections.
  • This method won’t work on dongles. Especially USB C -> HDMI, which is treated as DP interface, not HDMI, on all active dongles and drivers.

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