Acer
Predator
ConceptD
Planet9
Unable to Control Brightness After Windows Update - Acer Community
<main> <article class="userContent"> <h3 data-id="this-article-only-applies-to-predator-gx21-71">This article only applies to: Predator GX21-71</h3> <p>A recent Windows update (version 1803) may install an NVIDIA driver that does not allow you to adjust the display brightness. We recommend installing the latest <a rel="nofollow" href="https://community.acer.com/en/kb/articles/139">Windows updates" target="_blank</a> to resolve this issue. If you do not want to update Windows, you can download and install the latest NVIDIA VGA driver from the <a rel="nofollow" href="http://us.acer.com/ac/en/US/content/drivers">Acer Drivers and Manuals page</a>.</p><meta content=""></meta> </article> </main>