diff --git a/GUI/MainForm.cs b/GUI/MainForm.cs
index 2f13744..7d238d8 100644
--- a/GUI/MainForm.cs
+++ b/GUI/MainForm.cs
@@ -126,7 +126,7 @@ namespace OpenHardwareMonitor.GUI {
       minMenuItem.Checked = Utilities.Config.Get(minMenuItem.Name, false);
       maxMenuItem.Checked = Utilities.Config.Get(maxMenuItem.Name, true);
       limitMenuItem.Checked = Utilities.Config.Get(limitMenuItem.Name, false);
-      hddMenuItem.Checked = Utilities.Config.Get(hddMenuItem.Name, false);
+      hddMenuItem.Checked = Utilities.Config.Get(hddMenuItem.Name, true);
 
       voltMenuItem.Checked = Utilities.Config.Get(voltMenuItem.Name, true);
       clocksMenuItem.Checked = Utilities.Config.Get(clocksMenuItem.Name, true);
diff --git a/Hardware/HDD/HDDGroup.cs b/Hardware/HDD/HDDGroup.cs
index 25d2ac6..132fad8 100644
--- a/Hardware/HDD/HDDGroup.cs
+++ b/Hardware/HDD/HDDGroup.cs
@@ -60,9 +60,12 @@ namespace OpenHardwareMonitor.Hardware.HDD {
             string name = SMART.ReadName(handle, drive);
             if (name != null) {
 
-              SMART.DriveAttribute[] attributes =
+              SMART.DriveAttribute[] attributes = 
                 SMART.ReadSmart(handle, drive);
 
+              if (attributes == null)
+                continue;
+
               int attribute = -1;
               for (int i = 0; i < attributes.Length; i++) {
                 if (attributes[i].ID == SMART.AttributeID.Temperature) {