If your Ethernet speeds are fine but WiFi is lagging, focus on these wireless optimizations: R7800 - Very slow download speeds - Community | NETGEAR
Connect a computer directly to the Nighthawk using a high-quality Ethernet cable (CAT6 is recommended). If wired speeds are slow, your problem is likely either the incoming ISP signal or router settings rather than WiFi interference.
Use the Nighthawk App or log into routerlogin.net to check for updates. Firmware bugs are a common cause of unexpected speed drops. 3. Improve WiFi Download Speeds nighthawk router slow download speeds
Certain features designed to help can actually throttle high-speed (300Mbps+) connections.
Features like Traffic Meter , Armor , Smart Parental Controls , and Circle can consume CPU cycles and slow down total throughput. If your Ethernet speeds are fine but WiFi
Unplug both your modem and Nighthawk router for 30 seconds, then plug them back in.
Run speed tests on several devices. If only one is slow, the issue is that specific device’s network card or settings. 2. Optimize Router Settings Firmware bugs are a common cause of unexpected speed drops
While QoS helps slow connections (under 250 Mbps), it can limit performance on gigabit plans by capping bandwidth to specific devices.