By default, Hyper-V tries to figure out which Virtual Machines were powered on at the time that your PC had its power cut. It uses this list to automatically turn Virtual Machines back on when your PC powers on. Here is how to change what gets switched back on.
默认情况下，Hyper-V尝试确定PC断电时哪些虚拟机已打开。 它使用此列表在PC开机时自动重新打开虚拟机。 这是如何更改重新打开的内容。
如何配置Hyper-V虚拟机启动行为 (How To Configure Hyper-V Virtual Machine Startup Behavior)
Unfortunately, Virtual Machine startup behavior is configured at the Virtual Machine level and therefore needs to be set for each Virtual Machine separately. So go ahead and right click on the first virtual machine and choose to open its settings from the context menu.
不幸的是，虚拟机启动行为是在虚拟机级别配置的，因此需要分别为每个虚拟机设置。 因此，继续并右键单击第一个虚拟机，然后从上下文菜单中选择打开其设置。
You will then need to scroll down until you can select the Automatic Start Action section.
然后，您需要向下滚动，直到可以选择“自动启动操作”部分。
On the right hand side, you will there are three settings that you can choose from:
在右侧，您可以选择三种设置：
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Nothing: This will leave the virtual machine off regardless of what the state of it was before your PC powered down.
什么也没有：这将关闭虚拟机，无论您的PC关机之前虚拟机的状态如何。
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Automatically start if it was running when the service was stopped: This is just a fancy way of saying if the virtual machine was running when your PC was powered off, switch it on when your PC comes back online. If it was off, leave it off. This is the default setting for all virtual machines.
如果在停止服务时虚拟机正在运行，则自动启动：这只是说虚拟机在关闭计算机电源时是否正在运行，而在PC再次联机时将其打开的一种很好的方式。 如果已关闭，请将其关闭。 这是所有虚拟机的默认设置。
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Always start this virtual machine automatically: This setting doesn’t care if the virtual machine was running or not at the the time your PC went offline. Either way, when your machine comes back online, the virtual machine will be powered on.
始终自动启动此虚拟机：此设置与PC脱机时虚拟机是否正在运行无关。 无论哪种方式，当您的计算机重新联机时，虚拟机都将打开电源。
In addition to these three settings, you can also set a delay for each virtual machine so that they don’t fight for resources when your PC boots back up.
除了这三个设置，您还可以为每个虚拟机设置一个延迟，以使它们在PC启动时不会争用资源。
I went and changed all my Virtual Machines to nothing, as most of the time I don’t want them starting up and slowing down my PC.
我去了所有虚拟机，却一无所获，因为大多数时候我都不希望它们启动并降低我的PC的速度。