Fix HDD device Boot priority will reset after changing HDD device.

修正在改变硬盘设备后， 硬盘设备的启动优先级会重置的问题。

The problem is that your hard drive has a higher boot priority than your optical drive.

问题在于你硬盘的启动优先级高于光驱。

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

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。

Change PCI Device Boot Priority to the adapter your root file system disk is using (as in Figure 2 below), if your Linux is installed on a local Planar SAS disk.

如果您的Linux安装在本地Planar SAS磁盘中，请将PCI Device Boot Priority更改为根文件系统磁盘正在使用的适配器(如下面的图2所示)。

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.

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。