我们的一些读者询问他们如何设置Windows 7或 Windows 8，以便在电池或笔记本电脑或平板电脑达到低电量或严重低电量时发出警报声。^{(alarm sound)}可以使用声音方案自动播放此类警报。在本教程中，您将了解这是如何工作的。

步骤 1^{(Step 1)}。找到主动声音方案^{(Active Sound Scheme)}

首先，您需要了解活动 Windows 主题应用的活动声音方案^{(sound scheme)}。

我们在本详细教程中展示了如何查找和编辑活动声音方案^{(sound scheme)}：如何自定义Windows 计算机^{(Your Windows Computer)}上使用的声音方案^{(Sound Scheme)}。

该教程中显示的一种方法是右键单击（或按住^{(press and hold)}）桌面^(Desktop)，然后单击或点击Personalize。然后，单击或点击个性化^{(Personalization)}窗口底部的声音链接。^(Sounds)这将打开声音^(Sound)窗口，您可以在其中进行所有自定义。

Windows 7 和Windows 8有两个特殊事件，您可以为其设置要播放的警报声。

步骤 2^{(Step 2)}。修改并保存^{(Modify & Save)}活动声音方案^{(Active Sound Scheme)}

对于选定的声音方案^{(sound scheme)}，滚动节目事件^{(Program Events)}列表。在那里，找到“Critical Battery Alarm”事件。

选择它，然后设置您想要播放的声音。Windows对设置声音方案中包含的声音有非常具体的要求。同样^(Again)，我建议您阅读本教程：如何自定义Windows 计算机^{(Your Windows Computer)}上使用的声音方案^{(Sound Scheme)}。

您需要查找的下一个程序事件是^{(program event)}“Low Battery Alarm”。向下滚动^(Scroll)直到找到它，然后选择它。

设置发生此事件时要播放的新声音。

当您完成设置播放的声音以通知您电池电量不足和严重时，请记住保存您刚刚修改的声音方案。^{(sound scheme)}

步骤 3^{(Step 3)}。保存活动的 Windows 主题^{(Active Windows Theme)}

正如本教程中所分享的：如何自定义Windows 计算机^{(Your Windows Computer)}上使用的声音方案^{(Sound Scheme)}，声音方案是Windows主题的一部分。每次更改Windows主题时，都会应用新的声音方案设置。

如果您想确保播放低电量和严重电池警报，对于您在计算机上应用的每个新Windows 主题^{(Windows theme)}，您应该将关联的声音方案^{(sound scheme)}更改为您刚刚修改和保存的声音方案。

结论

这个技巧很简单，无需第三方工具的帮助即可完成。但是，每次更改 Windows 主题时都需要注意，以便使用适当的声音方案^{(sound scheme)}并在适当的时候播放警报声。

如果您正在寻找与电源计划、电池使用时间^{(battery time)}等相关的其他有用提示和技巧，请不要犹豫，阅读以下我们的建议。

Set Windows to Play Alarm Sounds When Reaching Low or Critical Battery

Some of our readerѕ have askеd how they can set Windows 7 or Windows 8 so that it plays аn alarm sound when the battеry or their laptop or tablet rеaches a low or critically low level. Such alarms can bе played automatically with thе use of sound ѕchemes. In thіs tutorial you will learn how this works.

Step 1. Find the Active Sound Scheme

First, you need to learn the active sound scheme that it is applied by your active Windows theme.

We've shown how to find and edit the active sound scheme in this detailed tutorial: How To Customize the Sound Scheme Used on Your Windows Computer.

One of the ways shown in that tutorial is to right click (or press and hold) the Desktop and click or tap Personalize. Then, click or tap the Sounds link at the bottom of the Personalization window. This opens the Sound window where you do all your customization.

Windows 7 and Windows 8 have two special events for which you can set alarming sounds to be played.

Step 2. Modify & Save the Active Sound Scheme

For the selected sound scheme, scroll through the list of Program Events. There, find the "Critical Battery Alarm" event.

Select it and then set the sound you want played. Windows has very specific requirements about setting the sounds included in a sound scheme. Again, I recommend you to read this tutorial: How To Customize the Sound Scheme Used on Your Windows Computer.

The next program event you need to find is "Low Battery Alarm". Scroll down until you find it and then select it.

Set the new sound you want played when this event occurs.

When you are done setting the sounds that are played for notifying you about low and critical battery levels, remember to save the sound scheme you just modified.

Step 3. Save the Active Windows Theme

As shared in this tutorial: How To Customize the Sound Scheme Used on Your Windows Computer, sound schemes are part of Windows themes. Each time you change your Windows theme, new sound schemes settings are applied.

If you want to make sure that your low and critical battery alarms are played, for each new Windows theme you apply on your computer, you should change the associated sound scheme with the one you just modified and saved.

Conclusion

This trick is simple and it is done without any help from third-party tools. However, you do need to pay attention each time you change your Windows theme, so that the appropriate sound scheme is used and your alarm sounds are played when appropriate.

If you are looking for other useful tips and tricks related to power plans, battery time, etc, don't hesitate to read our recommendations below.

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