When to replace your router: signs the hardware is the problem
Not every Wi-Fi problem is fixable with placement tweaks and settings. Routers age, manufacturers stop supporting them, and household demands outgrow what old hardware can handle. The trick is knowing when the router itself is the problem — because replacing it fixes everything, and not replacing it means fighting symptoms forever.
Sign 1: The manufacturer stopped updating it
This is the clearest signal. If the router's maker no longer releases firmware updates for your model, known security holes stay open forever and compatibility with new devices slowly rots. Check the support page for your model: if the last update is years old or the model is listed as discontinued, the router is on borrowed time. This is the one sign that justifies replacement on its own, even if everything seems to be working.
Sign 2: You have to restart it constantly
An occasional restart is normal maintenance. A router that needs rebooting every few days to restore speed — or one that freezes, drops all connections, and needs a power cycle — is telling you something. When the restart fixes things temporarily but the decay always returns, the hardware is struggling: overheating, failing memory, or simply underpowered for the workload. Check ventilation first (routers cook themselves in enclosed spaces), but if cooling and firmware updates don't stabilize it, it's done.
Sign 3: Speeds drop even when the internet is fine
Run the diagnostic: plug a laptop directly into the modem (or the router, with Wi-Fi turned off) and run a speed test. If wired speeds are healthy but Wi-Fi speeds are a fraction of that — consistently, in every room, right next to the router — the wireless side of the router is the bottleneck. Some slowdown over Wi-Fi is normal, but if you're paying for a fast connection and the router can't deliver even half of it at close range, the radio hardware is outmatched.
Sign 4: The device count outgrew it
Routers from several years ago were designed for households with a handful of connected devices. A modern home can easily run thirty or more: phones, laptops, TVs, consoles, speakers, doorbells, cameras, thermostats, watches. Older routers handle concurrent connections poorly — everything works until the network gets busy, then devices start dropping or crawling. If your trouble shows up in the evenings when everyone's home, and your router is old, capacity — not coverage — is likely the issue. Newer routers manage many simultaneous devices far more gracefully.
Sign 5: It lacks features your devices expect
You don't need to chase every new standard, but a router that's several generations behind can genuinely hold back modern devices. If your phones and laptops support newer Wi-Fi standards than your router offers, you're paying for capability you can't use. Similarly, a router without a guest-network option, or without the ability to update firmware automatically, is missing basic modern hygiene. You don't need the flagship model — a current mid-range router covers all of this — but the gap between a decade-old box and today's baseline is real.
Sign 6: It's physically failing
Routers die in undramatic ways: lights that never stabilize, a power supply that runs hot, ports that work intermittently, a unit that only works after being unplugged for an hour. Consumer routers typically last several years of continuous operation; if yours is well past that and behaving erratically, don't overthink it. Intermittent hardware failures only get worse, and they waste far more of your time in troubleshooting than a replacement costs.
Before you buy: rule out the free fixes
A new router won't fix a slow internet plan, a dead zone caused by a concrete wall, or channel congestion from twenty neighbors. Run through placement, restarts, and the dead zone checklist first. But if the old box shows two or more of the signs above — no updates, constant restarts, capacity problems — stop troubleshooting around it. Replace it, set it up well from day one, and enjoy the years of not thinking about Wi-Fi.