Current graphic driver of CentOS 7.3 doesn't fully support HD GRAPHICS 630 of I7-7700K CPU, you should download and install the rpm software from the link https://pan.baidu.com/s/1qYLlBkw, the pass code is qrdg. The issue "USE I7-7700K (HD GRAPHICS 630) ON CENTOS 7" of 01.org will be fixed.

The demo would be：

 
CENTOS 7.3 hd630 graphic driver来自于OenHan

链接为:http://oenhan.com/centos-7-3-hd630-i7-7700k