用台式机安装CentOS 7 的时候到了图形界面那一步就黑屏了。怎么解决?

但是按F1会出现help 窗口
安装界面的时候
Install CentOS Linux7
Test this media & install CentOS Linux 7
Troubleshootting <-- 选择此项
Install CentOS Linux 7 in basic graphics mode <-- 选择此项
Rescue a CentOS Linux system
Run a memory test
Boot from local drive