No boot device available. Current boot mode is set to BIOS. Please ensure compatible bootable media
dellR720xd,由原来的windows更换为centos.系统单独在一个raid0里,将原来的raio0初始化后安装centos,安装过程很顺利,安装后重启提示Nobootdeviceavailable.CurrentbootmodeissettoBIOS.Pleaseensurecompatiblebootablemediaisavailable.Usethesystemsetupprog