diff --git a/app/Input/InputDispatcher.cs b/app/Input/InputDispatcher.cs
index 8565cb34..d9ee583e 100644
--- a/app/Input/InputDispatcher.cs
+++ b/app/Input/InputDispatcher.cs
@@ -588,7 +588,8 @@ namespace GHelper.Input
                     case 199: // ON Z13 - FN+F11 - cycles backlight
                         SetBacklight(4);
                         return;
-                    case 53:    // FN+F6 on GA-502DU model
+                    case 51:    // Fn+F6 on old TUFs
+                    case 53:    // Fn+F6 on GA-502DU model
                         NativeMethods.TurnOffScreen();
                         return;
                 }
diff --git a/app/Settings.Designer.cs b/app/Settings.Designer.cs
index e2be7490..a28fc544 100644
--- a/app/Settings.Designer.cs
+++ b/app/Settings.Designer.cs
@@ -319,7 +319,7 @@ namespace GHelper
             sliderBattery.Max = 100;
             sliderBattery.Min = 40;
             sliderBattery.Name = "sliderBattery";
-            sliderBattery.Size = new Size(716, 40);
+            sliderBattery.Size = new Size(706, 40);
             sliderBattery.Step = 5;
             sliderBattery.TabIndex = 20;
             sliderBattery.Text = "sliderBattery";
diff --git a/app/Settings.cs b/app/Settings.cs
index b126d5bc..2eaeb247 100644
--- a/app/Settings.cs
+++ b/app/Settings.cs
@@ -884,8 +884,8 @@ namespace GHelper
         /// <returns>Focus state</returns>
         public bool HasAnyFocus(bool lostFocusCheck = false)
         {
-            return (fansForm != null && fansForm.ContainsFocus) || 
-                   (extraForm != null && extraForm.ContainsFocus) || 
+            return (fansForm != null && fansForm.ContainsFocus) ||
+                   (extraForm != null && extraForm.ContainsFocus) ||
                    (updatesForm != null && updatesForm.ContainsFocus) ||
                    (matrixForm != null && matrixForm.ContainsFocus) ||
                    this.ContainsFocus ||