diff --git a/app/AsusACPI.cs b/app/AsusACPI.cs
index 9139dbf9..0acad6cc 100644
--- a/app/AsusACPI.cs
+++ b/app/AsusACPI.cs
@@ -60,7 +60,6 @@ public class AsusACPI
 
     public const uint GPUEco = 0x00090020;
 
-    public const uint GPUXGFlag = 0x00090017;
     public const uint GPUXGConnected = 0x00090018;
     public const uint GPUXG = 0x00090019;
 
diff --git a/app/Gpu/GPUModeControl.cs b/app/Gpu/GPUModeControl.cs
index e6a31d62..1816e0f4 100644
--- a/app/Gpu/GPUModeControl.cs
+++ b/app/Gpu/GPUModeControl.cs
@@ -308,8 +308,10 @@ namespace GHelper.Gpu
                 else
                 {
 
-                    int status = Program.acpi.DeviceSet(AsusACPI.GPUXG, 0x101, "GPU XGM");
-                    if (status != 1) Program.acpi.DeviceSet(AsusACPI.GPUXG, 1, "GPU XGM");
+                    if (AppConfig.Is("xgm_special"))
+                        Program.acpi.DeviceSet(AsusACPI.GPUXG, 0x101, "GPU XGM");
+                    else
+                        Program.acpi.DeviceSet(AsusACPI.GPUXG, 1, "GPU XGM");
 
                     InitXGM();