diff --git a/app/Extra.cs b/app/Extra.cs
index e502b707..41e98563 100644
--- a/app/Extra.cs
+++ b/app/Extra.cs
@@ -709,7 +709,10 @@ namespace GHelper
         {
             using (var amdControl = new AmdGpuControl())
             {
-                amdControl.SetVariBright(checkVariBright.Checked ? 1 : 0);
+                if (NvidiaSmi.GetDisplayActiveStatus()) return; // Skip if Nvidia GPU is active
+                var status = checkVariBright.Checked ? 1 : 0;
+                var result = amdControl.SetVariBright(status);
+                Logger.WriteLine($"VariBright {status}: {result}");
                 ProcessHelper.KillByName("RadeonSoftware");
             }
         }
diff --git a/app/Gpu/NVidia/NvidiaSmi.cs b/app/Gpu/NVidia/NvidiaSmi.cs
index 93673ce0..826fd958 100644
--- a/app/Gpu/NVidia/NvidiaSmi.cs
+++ b/app/Gpu/NVidia/NvidiaSmi.cs
@@ -32,7 +32,7 @@ public static class NvidiaSmi
 
     public static int GetDefaultMaxGPUPower()
     {
-        if (AppConfig.ContainsModel("GU605")) return 125;
+        if (AppConfig.ContainsModel("GU605") || AppConfig.ContainsModel("GA605")) return 125;
         if (AppConfig.ContainsModel("GA403")) return 90;
         if (AppConfig.ContainsModel("FA607")) return 140;
         else return 175;