If you are having wireless issues it is best to contact your wireless manufacturer to assist you:
Netgear Support - support.netgear.com
Cisco Support - cisco.com/support
Linksys Support - homesupport.cisco.com
Belkin Support - belkin.com/support
Asus Support - support.asus.com
TPLink Support - tp-link.us/support
We always recommend that you have the latest version of firmware installed on your router.