Access the Router's web based utility at
http://192.168.1.1.
You will be prompted for a User Name and Password. By default there is no User Name and the Password is admin.
This will bring up the Setup page.
Click on the DHCP tab. This will bring up the DHCP section.
In the †œDHCP Serverââ‚Ãâ €šÂ¬Ãƒâ€šÃ‚ area, check if this is enabled or disabled,it should be enabled.
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Also check this section
click on the Advanced tab, and this will open the Filters area.
Look for "Block WAN Request", when you find the setting, make sure itâ₠¬ÃƒÂ¢Ã¢â‚¬Å¾Ã‚¢s set to Disable.