High CPU Utilization in Newer Windows Versions

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High CPU Utilization in Newer Windows Versions Article ID: GV16-03-15-t Release Date: 03/15/2016 Applied to Windows 8 and later versions Windows Server 2012 and later versions Symptoms In newer Windows versions, the Performance tab in Task Manager often shows a CPU utilization of 100% when running GeoVision software with GeoVision dongles or capture cards installed. 1 Explanation In newer Windows versions, the CPU utilization takes into account of the CPU speed and is not calculated the same way as the CPU usage seen in Windows 7 and older versions. A 100% CPU utilization in Windows 10 is not the same as a 100% CPU usage in Windows 7. When running GeoVision software with GeoVision dongles or capture cards, the power saving mode of the computer is automatically disabled in order to avoid stability issues. Do not restore the power plan to default settings, which will enable the power saving mode again, even though the CPU utilization will appear lower in the Performance tab of Task Manager due to the lower CPU speed used during power saving mode. Looking Up the CPU Usage There are two ways to see the actual CPU usage in newer Windows versions. Method 1: Using Windows’ Performance Monitor 1. Click Start, type perfmon in the Search box, and then press Enter. 2. Under Monitoring Tools, click Performance Monitor. The CPU usage is displayed. 2 Method 2: Using System Idle Process in Task Manager 1. Open Task Manager (Ctrl-Alt-Delete) and click the Details tab. 2. Look for System Idle Process in the list and subtract its CPU usage from 100% to obtain the current CPU usage. The CPU usage listed for System Idle Process represents the percentage of CPU that is currently idle and not in use. In the figure above, the current CPU usage would be 2%. (100 % - 98% = 2%) 3 .

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