断开电源就相当于将硬盘格式化了一样。

Turn off the power to these drives and you might as well have reformatted them.

youdao

解决的方法是断开电源一会，重新开机即可排除。

The method is to cut off the power supply for a while and restart the machine.

youdao

在此之后，你就可以随时连接或断开电源了，无论电池的电量如何。

After that you can connect and disconnect the power adapter when the battery is at any charge level.

youdao

When you're working on a file, it's saving constantly to RAM but also hopefully to disc, the hard disk so you don't actually lose it if the power goes off.

当你打开一个文件，它不断地保存在内存中,但对于光盘，硬盘,当你断开电源的时候，数据不会丢失。

哈佛公开课 - 计算机科学课程节选