The centos disc was not found in any of your drives.Please insert the centos disc and press OK to retry 查看虚拟机设置中关于CDROM的选项,将CDROM的状态改为已连接,不要奇怪,勾选上之后再按下OK就好了 善守者藏于九地之下, 善攻者动于九天之上