![]() If this query returns a result of “1,” we know that the provider is registered. We can ensure that the Windows Power Management provider is registered by running this WMI query from Windows Get-WmiObject -Namespace root\cimv2 -Query “select * from _Win32Provider where Name = ‘MS_Power_Management_Event_Provider'”).Count Microsoft has resolved a lot of WMI bugs such that it is a very dependable service.Īll WMI providers (extensions to WMI) are registered in a particular WMI namespace under the _Win32Provider class. Although WMI has suffered from reliability and performance problems in the past-primarily on Windows XP-modern-day hardware combined with the newest Windows 7 operating system is quite reliable. WMI provides a standards-based interface in the operating system and applications that extend it. Microsoft has built a robust power management provider into Windows 7, and thankfully for us, they have exposed its functionality via the WMI service. Windows Management Instrumentation (WMI). ![]() We will be working with the following technologies: In the remainder of this article, we will take a look at how to subscribe for system-level power management events, and how to respond to them. But what if you want to do something when your computer wakes up? Though this may not be a terribly common scenario, sometimes people have the need to subscribe to this event and perform an action in response to it. Sleeping and hibernating in Windows 7 are both quite fast, and resuming from both states is likewise very quick. ” Usually this would require some custom systems monitoring software, but what if I told you that your computer had this functionality built into it already? That’s right, little known to most people is the WMI background service, which provides a robust eventing and event response model.Īlthough power management hasn’t always been a highlight of the Microsoft Windows operating system (OS), it’s certainly come a long way in Windows 7 and is now quite robust. Oftentimes, people want to be able to respond to events automatically on their computers: “When happens, I want to happen in response.” An example of this might be: “If SomeProcess.exe exceeds 50 percent processor utilization for 60 seconds, kill it. ![]() During his personal time, he enjoys studying theology, spending time with his girlfriend, being outdoors, shooting photos, playing video games, testing software, and learning about all sorts of new things. Twitter ( of his major achievements is the development and public release of an open-source Windows PowerShell module called PowerEvents.Microsoft TechNet and MSDN discussion forums (he is a moderator on the TechNet Scripting Guys forum).Trevor is a Microsoft-recognized Community Contributor (MCC) and is active in several online communities: ![]() Automation using Windows PowerShell, Windows Management Instrumentation (WMI), Active Directory Services Interface (ADSI), and the Microsoft.Design, implementation, and troubleshooting of Microsoft System Center Configuration Manager 2007.Although he is interested in nearly all Microsoft technologies, his primary specialties include: Trevor Sullivan is a passionate, experienced, and Microsoft-certified IT pro with more than seven years in the industry. Today’s guest blogger is Trevor Sullivan, and he has a fascinating article about responding to power management events. Lenovo ThinkPad L420 Laptop Patch module for Power Manager for windows 7 Download (7.50 MB)ġ.Double-click the Lenovo ThinkPad L420 Laptop Power Management Driver.EXE.Ģ.Follow the on-screen installation instructions.Summary: Guest Blogger Trevor Sullivan shows how to monitor and to respond to Windows Power events using Windows PowerShell. Lenovo ThinkPad L420 Laptop Patch module for ThinkPad Power Manager for windows 7 Download (1.76 MB) Lenovo ThinkPad L420 Laptop Lenovo Power Management Driver for windows Download (4.77 MB) Lenovo ThinkPad L420 Laptop Power Manager for windows 7 Download (18.04 MB) The Lenovo ThinkPad L420 Laptop Power Management Driver icon appears on your desktop. The Lenovo ThinkPad L420 Advanced Configuration and Power Management Interface (ACPI) Driver will download to your saved location.Ĥ.After the Download Complete, click Close. Select where you want to save and click Save. The Save In:ģ.From the Save In: field, click the down arrow then click to 1.Click on the Download link, to download the file.Ģ.When the Download window opens, click Save the setup to disk and click OK.
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