I'm using the TP-Link Wireless N Dual Band PCI Express Adapter with 3 x 2dBi Antenna (TL-WDN4800) and GIGABYTE GA-Z77X-UP5 TH. For a few days, I'm having an issue that my WIFI is going off while in a middle of surfing. Another example is dat I was gone for an hour, i went back and the WIFI is...