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?

CentOS7 实体机安装出现黑屏_linux

但是按F1会出现help 窗口
​​

CentOS7 实体机安装出现黑屏_centos_02

​ 

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