Today I need to make some ppt slides, so I switch to windows. After I enable the VPN, I can visit no website but Finally, this problem is solved by the following steps.

Configure the VPN Client TCP/IP Properties

To disable the Use Default Gateway on Remote Network setting in the VPN dial-up connection item on the client computer:
Double-click My Computer, and then click the Network and Dial-up Connections link.
Right-click the VPN connection that you want to change, and then click Properties.
Click the Networking tab, click Internet Protocol (TCP/IP) in the Components checked are used by this connection list, and then click Properties.
Click Advanced, and then click to clear the Use default gateway on remote network check box.
Click OK, click OK, and then click OK.
Step 3: Connect to the Server That Is Runnin