Can't connect to router by wireless and by local area connection with cable, it just saying limited or not connectivity, even after router reset.

Locate the MAC Address for the Computers You Want to Use for Gaming

1. Click the Start button.

2. Click Run.

3. In the Open box, type the following text:
cmd

4. Click the OK button.
The command prompt screen appears.

5. At the command prompt, type ipconfig /all

6. Write down the MAC (Physical) address of your computer to configure for gaming.
Change Router Settings

1. Open a web browser, and type http://my.router, or http://192.168.2.1. The Enter Network Password login prompt appears.

2. Type the following text in the user name and password fields: "admin".

3. Go to the Advanced Settings menu option tab on the top navigation bar and wait for the menu to appear.

4. Click the DHCP Server Settings menu option in the drop down menu.

5. Click the Add button in the IP Address Reservation section.

a. Enter the MAC address of the computer you wish to use for gaming in MAC Address field.

b. Enter an IP address for the computer.

6. Click the Submit button.

7. Go to the Advanced Settings menu option tab on the top navigation bar and wait for the menu to appear.

8. Click the Port Forwarding Settings menu option in the drop down menu.

a. To set a single computer for gaming, click to select Enable DMZ Host.

b. Enter the IP address of the computer in the DMZ IP Address field.

c. Click the Submit button.

NOTE:

Only a single computer can be set for DMZ service. To set multiple computers for gaming, please refer to the Custom Port Forwarding Settings under Port Forwarding Settings.
9. Reboot the client computer. The client computer will use the newly assigned IP and will not have any TCP/IP ports blocked by the firewall feature of the router.