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如何从外接硬盘中启动系统

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当你需要修复磁盘或系统分区、解决系统故障、格式化电脑或重装整个操作系统时，从外接硬盘中启动电脑对你很有帮助。你可以从外接硬盘里启动Windows或Mac电脑。

方法 1

方法 1 的 3:

Windows 8系统

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1
从屏幕右侧滑动屏幕，点击“设置 ”。
- 如果使用鼠标，点击屏幕右下角，向上移动鼠标，然后点击“设置”。
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^{[1]
X
研究来源}
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接着屏幕上会显示高级BIOS设置菜单。
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10
选择选项重启电脑，然后快速按下F2键，再次进入BIOS设置菜单。
- 进入BIOS设置的快捷键可能有所不同，具体取决于电脑制造商。例如，你可能需要用F12或F5来代替F2。
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使用箭头按键选中“启动”，然后将启动顺序设置更改为外接硬盘的名字，以它作为默认启动选项。
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接下来，Windows 8电脑会从外接硬盘启动。 ^{[2]
X
研究来源}

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方法 2

方法 2 的 3:

Windows 7、Vista和XP系统

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接着会重启电脑。
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具体按键取决于电脑的制造商。例如，你可能需要按下F12、F2、F5或Esc按钮。
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接下来，Windows电脑会从外接硬盘启动。 ^{[3]
X
研究来源}

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方法 3

方法 3 的 3:

Mac OS X电脑

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接着屏幕上会显示启动选项菜单。
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4
点击外接硬盘的名字。 Mac电脑会从你选择的硬盘中启动电脑。
- 或者，你可以从苹果菜单里选择“系统偏好设置”，点击“启动磁盘”，然后选择外接硬盘的名字，然后点击“重启”。 ^{[4]
  X
  研究来源}
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