Inspiron 7500 and Dell G7 7590 with OLED panel brightness keeps at highest level in a Non-Operating Systems environment

Summary: This article provides information about the OLED panel brightness on the Inspiron 7500 and Dell G7 7590 stays at the highest brightness level in a non-operating system environment.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Affected Platforms:

  • Inspiron 7500
  • Dell G7 7590

Customers may report that the Inspiron 7500 or Dell G7 7590 with OLED panel automatically adjusts the brightness level to maximal before booting up Windows, for example in BIOS or ePSA, the panel brightness is always at highest brightness and changing the brightness level in BIOS does not take effect. In order to control the brightness level, a driver should be loaded in the operating system environment.

Cause

The Intel graphics solution is not able to control the OLED panel brightness by Graphics Output Protocol (GOP).

Resolution

The OLED panel brightness can only be controlled after booting to the operating system.

Affected Products

Dell G7 15 7590, Inspiron 7500 2-in-1 Black, Inspiron 7500 2-in-1 Silver
Article Properties
Article Number: 000126468
Article Type: Solution
Last Modified: 15 Sep 2025
Version:  6
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