I just added something new to my system.
Edimax EW-7822UAC Wireless AC1200 Dual-band USB 3.0 Adapter, Complies to Draft 802.11ac
I like my Dell Inspiron 17 5000 Series but the internal WiFi adapter is a pain. It constantly needs to be reset. It's also much slower.
It wa a great $30.00 investment.