Hi,
Upgrade the firmware on the router using below steps:
Please visit the following link to download the firmware :
http://kb.netgear.com/app/answers/detail/a_id/9306
A. Open the router page using the following way:
1. Connect a computer to the router using any one of the 4 available ports.
2. Open the browser (Internet Explorer, Mozilla Firefox or Safari).
3. Access the router usually by typing 'http://192.168.0.1' or 'http://www.routerlogin.com' in the address bar.
4. Login to the router with the Username as "admin" and Password as "password" (please note that the Username and Password are case sensitive).
B. Please follow the steps to upload the firmware of the router:
1. Under Maintenance, click router Upgrade.
2. Click Browse and locate the upgrade file.
3. Click Upload.
4. Wait for the router to reboot.
5. Click on 'Logout' (at the bottom of the list) from left menu
6. Reset and reconfigure the router
I hope this information allows you to resolve this issue.
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Regards
Anand