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Dying WLAN card on my G750JW?

Level 7
I've been having some really infuriating issues with the wi-fi on my G750 lately. I've got an AC66U router on the latest firmware, and the laptop is the only thing really showing issues with anything.

The main issue I'm having is the wi-fi randomly going out on the 5GHz band and then not finding the 2.4GHz at all. It's really sporadic, and sometimes I have to manually reset the adapter to find ANY signal at all.

The second issue is that when I'm doing something that uses consistent bandwidth (Skype, torrents, etc.) the connection gets really unstable. I can't Skype and play a game at the same time because it'll kick me off of the internet entirely. I don't -think- the router is the issue, because when I'm lagging on the G750 I'll be fine on my desktop (wired) and my phone (Note 3, also on 5GHz AC). Is the wireless card gonna kick the bucket?
Maximus V Formula/3770k@4.5/XFX 7970BE @ 1150/1600/Vengeance 1600/HAF XB/AX850

Level 9
Have you already tried reloading the wireless LAN driver? And, perhaps, have you looked into a firmware update for the router?

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