1, network settings, if there is a problem with the general network settings, it will lead to our computer being unable to access the Internet, which is the most common reason for being unable to access the Internet. Just modify and set the ip address. Generally, you can surf the internet after setting it up. If not, check the dns server to see if there is a problem with DNS. If so, modify the agreement.

2, firewall, firewall settings will affect the internet, the Chinese Medical Association cardiovascular intervention training network is set by the firewall can not be opened and accessed, so can not access the internet. Check whether a firewall is set, and then change the adjustment.