Mine does the same V3 Firmware 3.14.3 on Cox Communications connected to Windows 10 HP with Gigabit Network card. There are no firmware options on the site for V3.

Model : Archer C7 Hardware Version : Firmware Version : 3.14.3 ISP : Cox Cable Hi, I have a brand new Archer C7 that drops the LAN connections every hour or so. I reboot the computer and it comes...