centos安装Nvidia显卡遇到问题，帮我看一下

错误：ERROR: Failed to execute `/usr/bin/chcon -t textrel_shlib_t `: /usr/bin/chcon: missing operand
Try `/usr/bin/chcon --help' for more information.
-> The installer has encountered the following error during installation: 'Failed to execute `/usr/bin/chcon -t textrel_shlib_t `'. Continue anyway? ("no" will abort)? (Answer: Yes)

自动创建“xorg.conf”后，无法进入系统，只有光标在闪。删除“xorg.conf”后就可以进系统了。