powercfg

It’s quite annoying when you have work to do on your laptop and the battery is dead or low on power. Even if you’ve selected the Power Saver plan, there could be other factors causing the battery to drain too quickly. Today we take a look at using the PowerCfg command to generate a power efficiency report.

当您需要在笔记本电脑上工作并且电池没电或电量不足时，这很烦人。 即使您选择了节电计划，也可能存在其他因素导致电池电量消耗过快。 今天，我们来看一下使用PowerCfg命令生成电源效率报告。

Generate Report

产生报告

To generate the report you’ll need to use the Elevated Command Prompt as Administrator. Click on Start and type CMD into the search box, then right-click the command prompt icon and select Run as Administrator.

要生成报告，您需要以管理员身份使用Elevated Command Prompt。 单击“开始”，然后在搜索框中键入CMD ，然后右键单击命令提示符图标，然后选择“以管理员身份运行” 。

Next type in the following command to generate the report on energy efficiency:

接下来，键入以下命令以生成有关能源效率的报告：

powercfg -energy

powercfg-能源

It takes a full 60 seconds for the report to generate. and you’ll see the following message in the command screen when it’s finished. Notice it shows the number of errors and warnings contained in the report.

生成报告需要花费整整60秒的时间。 完成后，您将在命令屏幕中看到以下消息。 注意，它显示了报告中包含的错误和警告的数量。

The Power Efficiency Diagnostics Report is saved in HTML format in your local user drive. Now you can read through the analysis and try to determine what is causing so much power to drain. In this example in the errors section it’s showing Sleep Mode is disabled and a USB device is not turning off when not in use.

电源效率诊断报告以HTML格式保存在本地用户驱动器中。 现在，您可以通读分析，并尝试确定是什么导致大量功率消耗。 在此示例的“错误”部分中，它显示了“睡眠模式”已禁用，并且不使用时USB设备没有关闭。

Sections of Report

报告部分

So what does this report even mean? Well, it’s broken down into 4 sections and we’ll take a look at each one. The first section of the report contains the basic system information like the system name, BIOS, manufacturer…etc.

那么，该报告甚至意味着什么？ 好吧，它分为4个部分，我们将逐一介绍。 报告的第一部分包含基本的系统信息，例如系统名称，BIOS，制造商等。

The second section contains the Errors with a red background. These are problems that have a huge effect on power consumption and battery life. Problems classified as Errors can affect battery life by 15% or more.

第二部分包含带有红色背景的错误。 这些都是对功耗和电池寿命产生巨大影响的问题。 分类为错误的问题可能会影响电池寿命15％或更多。

The next section are Warnings that have a yellow background. The problems indicate a moderate effect of power consumption and battery life. They are not as critical to fix as Errors, but if you can fix them, it will help improve efficiency.

下一部分是带有黄色背景的警告。 这些问题表明功耗和电池寿命受到中等影响。 修复它们并不像错误一样重要，但是如果您可以修复它们，则将有助于提高效率。

The last part of the report contains informational data with a white background, and don’t indicate any energy problems. This lists the system components that were inspected for the report.

报告的最后部分包含具有白色背景的信息性数据，并不表示任何能源问题。 这列出了检查报告的系统组件。

Conclusion

结论

There is a lot of detailed information is the report and it may not be the most exciting thing to read, but make sure to look over it closely. In the example above we just needed to go into Power Options and configured Sleep Mode and kept the USB Flash drive unplugged when not using it. Each computer will vary and a solution might be tweaking Power Options or installing an updated hardware driver. If you are unsure what the report is telling you, go to our forum and ask one of the many knowledgeable geeks in there, they’ll be happy to help!

该报告有很多详细信息，它可能不是最令人兴奋的内容，但请务必仔细阅读。 在上面的示例中，我们只需要进入“电源选项”并配置“睡眠模式”，并在不使用USB闪存盘时将其拔出。 每台计算机都将有所不同，并且解决方案可能是调整电源选项或安装更新的硬件驱动程序。 如果您不确定该报告告诉您什么，请访问我们的论坛，并询问那里的许多知识渊博的怪胎之一，他们将很乐意为您提供帮助！

The How-To Geek Forum

极客论坛

翻译自: https://www.howtogeek.com/howto/7638/use-powercfg-in-windows-7-to-evaluate-power-efficiency/

powercfg