Oh, sorry to hear that. what's the issue exactly? Did you already change channel and channel width of it?

Great. If the issue happens again, like I said, you can change the channel of your router to a static one which is less interfered by other channels. Move the 801ND a little close to your main router...

I don't see any more instruction about Linux on TP-Link website. Make sure the kernel of your computer is 2.6.18~3.19.3. Linux form may have more information. Kernel 2.6.18~3.19.3 Kernel...

Did you read this link: http://www.tp-link.com/en/faq-1970.html. Since this link, no more update now. For wireless adapters: Patch the operating system of your computers.Microsoft security update:...

what's the model number and hardware version? Different version even same model may be different on lights status. If you can see the wireless name broadcasted by the range extender, then the...

You can find a solution here: http://forum.tp-link.com/showthread.php?100901-ASAP-Passwords-and-wifi-not-working-on-mac