有时你可能需要更改设备的启动优先级以便能够从光驱启动一个live版的Linxu发行版。

Occasionally you will need to change the device boot priority to be able to boot a live Linux distro from your optical drive.

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许多现代的BIOS包含了一个启动菜单，在这里你可以动态地修改设备的启动优先级。

Many modern BIOSes include a boot menu from where you can change the priority of your devices on the fly - try pressing the 'Escape' key or F12 when you first see something on the screen.

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