diff --git a/app/ASUSWmi.cs b/app/ASUSWmi.cs
index 70d4f129..a06bfa91 100644
--- a/app/ASUSWmi.cs
+++ b/app/ASUSWmi.cs
@@ -213,6 +213,11 @@ public class ASUSWmi
 
         int result;
 
+        for (int i = 8; i < curve.Length; i++)
+        {
+            curve[i] = Math.Max((byte)0, Math.Min((byte)99, curve[i])); // it seems to be a bug, when some old model's bios can go nuts if fan is set to 100% 
+        }
+
         switch (device)
         {
             case 1:
diff --git a/app/Aura.cs b/app/Aura.cs
index 98834ed4..508eeb4b 100644
--- a/app/Aura.cs
+++ b/app/Aura.cs
@@ -137,7 +137,7 @@ namespace GHelper
 
         public static bool HasSecondColor()
         {
-            return mode == 1;
+            return (mode == 1 && !Program.config.ContainsModel("TUF"));
         }
 
         public static int Speed
diff --git a/app/GHelper.csproj b/app/GHelper.csproj
index 06fa48cd..9c2f1586 100644
--- a/app/GHelper.csproj
+++ b/app/GHelper.csproj
@@ -16,7 +16,7 @@
     <PlatformTarget>x64</PlatformTarget>
     <ProduceReferenceAssembly>False</ProduceReferenceAssembly>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
-    <AssemblyVersion>0.44</AssemblyVersion>
+    <AssemblyVersion>0.45</AssemblyVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/app/HardwareMonitor.cs b/app/HardwareMonitor.cs
index 52ef7695..b46f0b0c 100644
--- a/app/HardwareMonitor.cs
+++ b/app/HardwareMonitor.cs
@@ -47,13 +47,14 @@ public static class HardwareMonitor
     public static void ReadSensors()
     {
         batteryDischarge = -1;
+        gpuTemp = -1;
 
         cpuFan = FormatFan(Program.wmi.DeviceGet(ASUSWmi.CPU_Fan));
         gpuFan = FormatFan(Program.wmi.DeviceGet(ASUSWmi.GPU_Fan));
         midFan = FormatFan(Program.wmi.DeviceGet(ASUSWmi.Mid_Fan));
 
         cpuTemp = Program.wmi.DeviceGet(ASUSWmi.Temp_CPU);
-        gpuTemp = Program.wmi.DeviceGet(ASUSWmi.Temp_GPU);
+
 
         if (cpuTemp < 0) try
         {
@@ -72,11 +73,15 @@ public static class HardwareMonitor
 
         }
         catch (Exception ex) {
-            gpuTemp = null;
+            gpuTemp = -1;
             Logger.WriteLine("Failed reading GPU temp");
             Logger.WriteLine(ex.ToString());
         }
 
+        if (gpuTemp < 0)
+            gpuTemp = Program.wmi.DeviceGet(ASUSWmi.Temp_GPU);
+
+
         try
         {
             var cb = new PerformanceCounter("Power Meter", "Power", "Power Meter (0)", true);
diff --git a/app/Program.cs b/app/Program.cs
index 4e705fea..b68ec86e 100644
--- a/app/Program.cs
+++ b/app/Program.cs
@@ -56,6 +56,7 @@ namespace GHelper
 
             }
 
+            Logger.WriteLine("------------");
             Logger.WriteLine("App launched");
 
             Application.EnableVisualStyles();