Article ID: 000028831 Content Type: Troubleshooting Last Reviewed: 05/19/2022

Reduced Color Depth (8-bit Down to 6-bit) After Installing Driver 15.60.0.4849

Environment

The following drivers have been noted: 24.20.100.6025 = fails15.60.0.4849 = fails15.47.02.4815 = pass21.20.16.4727 = pass21.20.16.4664 = pass Affected monitors: - Dell U2415 - Dell E2715H - Dell U3415W

Windows® 10, 64-bit*

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Summary

Describes an issue affecting some monitor models that switch from 8-bit/10-bit to 6-bit color depth after installing driver 15.60.0.4849 and newer.

Description

Graphics driver 15.60.0.4849 and newer affects screen quality, reduced color depth, which gives very bad posterization over images and especially anything like skies or graduations.
Issue reported here https://communities.intel.com/thread/120305

Resolution

Fix for this issue is included in driver 25.20.100.6444 and newer

Additional information

Issue while retrieving EDID during panel's initialization, driver was returning incorrect data.

Related Products

This article applies to 1 products

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