April 12, 2026 · Internet & Networking

NBN Not Working in Townsville? Try This First

No internet at the worst possible time is one of life's great frustrations. Before you spend an hour on hold with your NBN provider, work through this checklist. Most NBN problems in Townsville are caused by equipment on your end — not by the NBN itself — and can be fixed in minutes without a technician.

Step 1: Check for a Known Outage First

Before doing anything else, check if there's a known outage in your area. No amount of rebooting will fix a network-side outage.

  • Check your ISP's outage page or app — Aussie Broadband, Telstra, TPG, Optus and others all have outage checkers
  • Search "NBN outage Townsville [your ISP]" on your phone's data to find community reports
  • Check NBN Co's network status at nbn.com.au/network-status using your mobile data

If there's a confirmed outage, you just have to wait it out. If there's no outage listed, move to the next steps.

Step 2: Read the Lights on Your NBN Equipment

Your setup has at least two boxes: the NTD (the NBN network termination device — usually a white box installed by NBN Co, sometimes in a cupboard) and your modem/router (the box you or your ISP provided).

Understanding NTD lights:

  • Power light solid green — NTD has power. Good.
  • Optical/Connection light solid green — The NBN fibre or cable connection to your home is active. Good.
  • Uni-D port light solid green — The port your router plugs into is active. If this is off or red, the problem may be NBN-side or a faulty cable between the NTD and your router.
  • Any red or blinking lights — Something's wrong at the NTD level. Note which light and contact your ISP — they can usually see the connection status from their end.

Note: NBN connection types vary (FTTP, FTTN, FTTC, HFC). What your NTD looks like depends on which type was deployed to your area. If you're unsure what any box does, call us — we can walk you through it.

Step 3: Reboot the Right Way

"Have you tried turning it off and on again?" — yes, but there's a right way to do it for NBN equipment.

The correct order:

  • Turn off your router/modem first
  • Turn off your NTD (if it has a power button or switch)
  • Wait 60 seconds — not 10, not 5. 60 seconds allows capacitors to fully discharge and the NBN equipment to reset completely
  • Power the NTD back on first and wait for its lights to stabilise (can take 2–3 minutes)
  • Then power on your router/modem
  • Wait another 2 minutes before testing

This order matters. Turning on the router before the NTD is ready often results in a failed connection that requires another full reboot cycle.

Step 4: Check the Physical Cables

A loose cable is responsible for more "NBN outages" than most people realise. Check:

  • The ethernet cable between the NTD and your router — unplug both ends and firmly reseat them. The connector should click
  • The power cables on both the NTD and the router
  • If you have an HFC connection (cable internet), check that the coaxial cable screwed into the wall and into the NTD is tight
  • If any cable looks damaged, bent sharply, or has been chewed — replace it

Step 5: Test Wired vs Wireless

This step separates "the internet is down" from "my Wi-Fi is down."

Plug a laptop or desktop directly into the router via ethernet cable. If the internet works wired but not wirelessly, the problem is your Wi-Fi, not your NBN connection. This is actually good news — it means the NBN is fine and you just need to fix the wireless side (see below).

If it doesn't work wired either, continue troubleshooting the router and NBN connection.

Step 6: Router Issues — The Most Common Cause

Your router is the piece of equipment that fails most often. Symptoms of a faulty or overloaded router:

  • Internet drops out then comes back repeatedly throughout the day
  • Specific devices can't connect while others can
  • Internet works after a reboot but stops after a few hours
  • Router gets very hot to the touch
  • Internet is slow no matter what you do

Routers are often overlooked as the culprit because "they're usually fine." But a router that's 5+ years old, sitting in a hot spot (TV cabinet, direct sun), and running 24/7 will eventually degrade. In Townsville's heat this happens faster than in cooler climates.

A quality replacement router ($80–$250 for home; $200–$400 for business grade) often solves years of intermittent internet problems in one go.

Why Is My NBN So Slow?

If your internet is working but slow, the causes are different:

  • Peak hour congestion — NBN speeds in residential areas can drop significantly in evenings (6–10pm) when everyone's home streaming. This is an ISP capacity issue, not a fault.
  • Old router bottleneck — A router only capable of 100Mbps will cap speeds at 100Mbps even on an NBN 250 or 500 plan. If you've recently upgraded your NBN plan, your router may be the limiting factor.
  • Wi-Fi interference — Townsville neighbourhoods can have significant Wi-Fi channel congestion. Switching your router to a less-congested channel (or using 5GHz for devices close to the router) can improve speeds dramatically.
  • Line attenuation (FTTN connections) — If your NBN uses FTTN (fibre to the node), speeds depend on the copper cable distance from the node to your home. This is a structural issue that only changing your connection type can fix.
  • Background downloads — A single device doing a Windows update or large download can saturate your connection. Check what's running before assuming the NBN is slow.

When to Call a Technician

Contact us if:

  • You've done all the above and still no connection
  • Your internet is intermittently dropping multiple times per day and a router replacement hasn't fixed it
  • You need new network cabling run through the house or office
  • You're setting up a new business and need a proper network design (router, switches, access points, firewall)
  • You can't get Wi-Fi signal in certain rooms and need proper coverage sorted

We work on home and business networks across Townsville — everything from sorting out a single problem device to designing and installing full office networks.

Still No Internet? We Can Help.

Onsite network support across Townsville. We'll find the cause, give you a clear quote, and get you back online — without the ISP hold music.

Frequently Asked Questions

My NBN was fine and then died after a storm — what do I do?

Townsville's storm season is hard on electronics. A nearby lightning strike or power surge can kill a router or modem even if it was connected to a surge protector. Check if the router is completely dead (no lights at all even when plugged in) — if so, the router may have taken a surge hit. The NTD is usually more resilient. If the NTD lights are normal but the router is dead, a router replacement will likely fix it.

Can I use my own router instead of the one my ISP gave me?

Yes, in most cases. ISP-provided routers are functional but often low-end. A third-party router (TP-Link, ASUS, Netgear, Ubiquiti) will usually deliver better Wi-Fi coverage, more control, and better performance. We can configure any router for your NBN connection — the settings needed vary slightly by ISP and connection type.

Why does my NBN slow down every evening?

Evening slowdowns (typically 6–11pm) are usually due to network congestion — your ISP's infrastructure in your area is handling peak traffic from many households simultaneously. This is called CVC congestion. The fix is either switching to an ISP with better infrastructure investment in your area, or scheduling heavy downloads for off-peak times. It's not something that can be fixed by tweaking your equipment.