tp-link wdn4800

I have always had a weird problem with my WDN4800. I searched for people with the same problem but I don't see anything exactly like what I experience. It works fine for a day or two, but eventually I will lose internet connectivity. I don't get the exclamation mark on the wifi icon when this...

Hello!, i have built my first hack with success except wi fi. ML doesn´t recognized the TP Link wnd4800. I have tried all the pci e port but nothing happens:thumbdown:. Any ideas? thanks in advanced! M.