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How to fix forced Content Adaptive Brightness on Surface Laptop 7

David 0 Reputation points
2026-02-15T07:02:13.2933333+00:00

Surface Laptop 7 (Snapdragon X) has firmware-level Content Adaptive Brightness Control that ignores DisableCABC and CabcOption registry values. Thoughts on how to fix this.

Surface | Surface Laptop | Display and screen
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  1. Huy-K 9,940 Reputation points Microsoft External Staff Moderator
    2026-02-16T05:25:20.92+00:00

    Dear @David,

    Thank you for posting your question in the Microsoft Q&A forum.

    We apologize for any inconvenience you may encounter when using our services/ products. Based on your description, kindly try this:

    User's image

    Turn "Change brightness automatically when lighting changes" Off.

    I sincerely hope you understand that the initial steps I suggested may not have completely fixed the issue, as there may still be underlying causes that have not yet been identified. I am here to work closely with you, troubleshoot effectively, and explore every possible solution to ensure the best possible outcome.


    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment". 

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