diff --git a/LibreHardwareMonitorLib/Hardware/Gpu/IntelIntegratedGpu.cs b/LibreHardwareMonitorLib/Hardware/Gpu/IntelIntegratedGpu.cs
index 1f9532e..93e257f 100644
--- a/LibreHardwareMonitorLib/Hardware/Gpu/IntelIntegratedGpu.cs
+++ b/LibreHardwareMonitorLib/Hardware/Gpu/IntelIntegratedGpu.cs
@@ -84,25 +84,27 @@ internal class IntelIntegratedGpu : GenericGpu
             if (_powerSensor != null && Ring0.ReadMsr(MSR_PP1_ENERGY_STATUS, out uint eax, out uint _))
             {
                 DateTime time = DateTime.UtcNow;
-                uint energyConsumed = eax;
                 float deltaTime = (float)(time - _lastEnergyTime).TotalSeconds;
                 if (deltaTime >= 0.01)
                 {
-                    _powerSensor.Value = _energyUnitMultiplier * unchecked(energyConsumed - _lastEnergyConsumed) / deltaTime;
+                    _powerSensor.Value = _energyUnitMultiplier * unchecked(eax - _lastEnergyConsumed) / deltaTime;
                     _lastEnergyTime = time;
-                    _lastEnergyConsumed = energyConsumed;
+                    _lastEnergyConsumed = eax;
                 }
             }
 
-            foreach (D3DDisplayDevice.D3DDeviceNodeInfo node in deviceInfo.Nodes)
+            if (_nodeUsage.Length == deviceInfo.Nodes.Length)
             {
-                long runningTimeDiff = node.RunningTime - _nodeUsagePrevValue[node.Id];
-                long timeDiff = node.QueryTime.Ticks - _nodeUsagePrevTick[node.Id].Ticks;
+                foreach (D3DDisplayDevice.D3DDeviceNodeInfo node in deviceInfo.Nodes)
+                {
+                    long runningTimeDiff = node.RunningTime - _nodeUsagePrevValue[node.Id];
+                    long timeDiff = node.QueryTime.Ticks - _nodeUsagePrevTick[node.Id].Ticks;
 
-                _nodeUsage[node.Id].Value = 100f * runningTimeDiff / timeDiff;
-                _nodeUsagePrevValue[node.Id] = node.RunningTime;
-                _nodeUsagePrevTick[node.Id] = node.QueryTime;
-                ActivateSensor(_nodeUsage[node.Id]);
+                    _nodeUsage[node.Id].Value = 100f * runningTimeDiff / timeDiff;
+                    _nodeUsagePrevValue[node.Id] = node.RunningTime;
+                    _nodeUsagePrevTick[node.Id] = node.QueryTime;
+                    ActivateSensor(_nodeUsage[node.Id]);
+                }
             }
         }
     }
@@ -118,4 +120,4 @@ internal class IntelIntegratedGpu : GenericGpu
 
         return "Intel Integrated Graphics";
     }
-}
\ No newline at end of file
+}