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ngeorgopoulos
Copper Contributor
Sep 28, 2023
Solved

Brightness dims after user login upon KB5030310 installation on a PC with AMD Radeon RX550/550Series

Hi everyone, I would like to report an issue after installing KB5030310 (OS Build 22621.2361) available at https://support.microsoft.com/en-au/topic/september-26-2023-kb5030310-os-build-22621-2361-preview-363ac1ae-6ea8-41b3-b3cc-22a2a5682faf

 

Brightness dims dramatically after user login upon KB5030310 installation on a PC having AMD Radeon RX550/550 Series as graphics card. Driver version of AMD card is 31.0.12027.9001. I have tried uninstalling the previous mentioned graphics card driver and issue would be fixed until its automatic reinstallation. Let me point out that before user login brightness is normal and it drops off after logon. Brightness is minimum for the whole display except of the arrow of the mouse cursor. For the time being I have uninstalled the above mentioned windows update and issue is fixed. 

 

Waiting for an update fix either from Windows 11 part or from AMD part.

Thank you in advance

 

  • I found a temporary solution! Just turn on the HDR then set the "SDR content brightness" slider to minimum, turn off HDR and voila, no more need sleep to have normal brightness. I'm now on 23H2 with RX560.

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