First, if it can not connect to internet
1. input 'su' to enter root
2. ls /etc/sysconfig/network-scripts/
3. remember the name of file ifcfg-enXXXXX
4.gedit file in 3, change ONBOOT to yes
5. service network restart
OK
Second, install chrome
1. su root
2. cd /etc/yum.repos.d/
3.gedit google.repo
4. input below into the file
name=Google-x86_64
baseurl=http://dl.google.com/linux/rpm/stable/x86_64
enabled=1
gpgcheck=0
gpgkey=https://dl-ssl.google.com/linux/linux_signing_key.pub
5. yum install google-chrome-stable