Solved: NETGEAR Nighthawk AC1900 Problems Troubleshooting guide

The NETGEAR Nighthawk AC1900 is a smart Wi-Fi router that is powered by a 1 GHz dual core processor alongside AC1900 Wi-Fi technology that provides you with fast speeds and high performance that is suitable for high bandwidth activities such as gaming and streaming of 4K Ultra HD videos. Despite its network efficiency, it is subjected to connectivity issues. Let us take a look at some of the connectivity issues and a few troubleshooting steps that would help you solve them.

If you are having problems with your NETGEAR Nighthawk AC1900, here are a few things to check for andpossible solutions:

NETGEAR Nighthawk AC1900 Troubleshooting

Problem 1: Nighthawk app is not detecting your device


Sometimes, when you set your NETGEAR Nighthawk AC1900 router as an access point, your Nighthawk app may be unable to detect your mobile device because it is connected to multiple networks at the same time. If you are having this problem, you should;

  • Ensure that you are connected to your NETGEAR Nighthawk AC1900 Wi-Fi network
  • Log into your mobile device and confirm the router/access point mode
  • Ensure that the LTE connection on your mobile device sis disabled
  • Connect your devices to your NETGEAR Nighthawk AC1900 Wi-Fi network
  • Try using your Nighthawk app to see if it is working on your devices

Problem 2: Lost internet connection and no LED activity on the router


When there is no LED activity on your router, it means that there is no internet connection at all. When this happens to your NETGEAR Nighthawk AC1900, you should;

  • Cross check the connection of all your other devices
  • Ensure that all the cable connections are secure and in place
  • Power cycle your network by turning on and off your modem and router
  • Upgrade the firmware of your NETGEAR Nighthawk AC1900 router

Lost internet connection

  • Factory reset your router by holding and pressing the reset button at the back of your router

NETGEAR Nighthawk AC1900 Troubleshooting

Before factory setting your router you should ensure to have backed it up because everything will be erased in the long run.

  • Restart your router and reconnect your Wi-Fi devices

Once you have done this your network should be fast and stable and should not give you more problems.

Problem 3: Double NAT issues


Double NAT has the potential to affect your online games. It can also cause problems with configuring portforwarding and accessing secure sites that have SSL. If you have issues with Double NAT, you should try the following troubleshooting steps;

  • You should disconnect your other non-NETGEAR router from your home network.
  • Turn off the Non-NETGEAR router.
  • Disconnect the cable that connects your modem to the router
  • Connect the previously disconnected cable to your NETEGAR router
  • Then switch the connection of your Wi-Fi devices from the non-NETEGAR router to your NETGEAR Nighthawk AC1900 router
  • Enable bridge mode on your other router so that it acts as a modem for your NETEGAR Nighthawk AC1900 router

Problem 4: Poor download speeds and low signal


If you are having poor download speeds and low Wi-Fi signals on your NETEGAR Nighthawk AC1900 router, you should;

  • Move your connected devices closer to your NETEGAR Nighthawk AC1900 router so that you can be within the recommended range
  • Log into the web app of your NETGEAR Nighthawk AC1900 router
  • Change the channel being used by your Wi-Fi signal

NETGEAR Nighthawk AC1900 Troubleshooting

Changing the channel being used by your devices significantly increases the speed of your download activity using the NETGEAR Nighthawk AC1900.

Problem 5:Dropping Wi-Fi signals


Dropping waif signals are among the most common connectivity failures that happen with the NETGEAR Nighthawk AC1900 routers. Sometimes this may be because of an outdated firmware or low signal because of range coverage distance. Other times, it could be because of interference from other electronic devices such as amplifiers and microwaves. In case this happens, you should;

  • Move your connected devices closer towards your NETGEAR Nighthawk AC1900 router to enhance the signal quality and reduce the distance so that you can work around the recommended coverage area
  • Move your NETGEAR Nighthawk AC1900 router away from where you had previously placed it to another storage location to reduce interference
  • Update the firmware of your NETGEAR Nighthawk AC1900 router and its Wi-Fi adapter drivers from the web interface

NETGEAR Nighthawk AC1900 Troubleshooting

  • Reset your router by holding and pressing the reset button for about ten to fifteen seconds
  • Re-connect your Wi-Fi devices and confirm whether the connection is more stable

Upon the completion of these steps, your NETGEAR Nighthawk AC1900 router should be able to give youa stable and reliable Wi-Fi network.

Problem 6: Either LAN or WAN port are not working


When this happens, the LED that indicates the activity of your router’s LAN and WAN do not light up and you are unable to get the IP address when your devices are connected to any LAN port on your NETGEAR Nighthawk AC1900 router.In the event that the LAN (Ethernet) or WAN (internet) ports of your NETGEAR Nighthawk AC1900 router are not working, you should do the following;

  • Plug in the power adapter of your NETGEAR nighthawk AC1900 router to the power outlet in your household
  • Turn on your NETGEAR Nighthawk router and wait patiently for the power LED to turn green
  • Connect one end to any LAN port and the other to the WAN port on your NETGEAR Nighthawk AC1900 router using an Ethernet cable
  • Check the activity of the LED to confirm which one works
  • Do the same for all the LAN ports to confirm which one is faulty


How do I prevent my NETGEAR Nighthawk AC1900 router from problems such as overheating?

To prevent your Nighthawk AC1900 router from overheating you should maintain its standard operating temperatures of 0 – 40 °C by storing it in a cool environment away from the sunlight and making use of a cooling pad to help with ventilation.

How do I secure my network?

Your NETGEAR Nighthawk AC1900 router comes with WPA or WPA2 security, but you can further secure your network by changing its settings and include your preferred user name and password.

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