I factory-reset my router once when a simple restart would have fixed the problem just fine, and spent the next hour rebuilding all my custom settings from scratch. Worth explaining the difference clearly so nobody else makes that mistake.
The two are not the same thing
A restart turns the router off and back on without touching any of your settings — WiFi name, password, custom configuration all stay exactly as they were. A factory reset wipes everything back to out-of-the-box defaults, which means you’re setting up your network name and password again from nothing.
Always try a restart first. It solves the large majority of everyday issues — slowness, occasional disconnects, a device that won’t connect — without any of the downsides of a full reset.
How to restart properly
Unplug the router fully rather than using any soft-reset button. Wait a genuine 30-60 seconds — not five, which is a common mistake that undermines the whole point. Plug it back in and wait for all the lights to fully stabilize before assuming it’s done.
When a full factory reset is actually warranted
If problems persist after a proper restart, if you’ve genuinely forgotten your WiFi password with no way to recover it, if you’re switching internet providers entirely, or if you’re giving away or selling the router — these are the situations where wiping everything back to defaults makes sense.
How to actually do a factory reset
Most routers have a small recessed reset button on the back, usually requiring a pin or paperclip. Hold it for 10-15 seconds while the router is powered on, and release once the lights start blinking in a pattern that indicates it’s resetting. Some routers also allow this through the web admin panel under system settings, if you’d rather avoid the physical button.
What happens after — and why I wasn’t ready for it
Every custom setting is gone. That means re-entering your WiFi name and password, redoing any port forwarding you’d set up, reconfiguring parental controls or guest networks, and reconnecting every single device in the house. If your ISP requires specific login credentials (common with fiber connections that use PPPoE authentication), you’ll need those on hand too — mine were buried in an old email I had to dig for.
Reconnecting everything afterward
Smart home devices are often the most tedious part of this — thermostats, cameras, and smart plugs frequently need to be re-paired individually rather than just reconnecting to a WiFi network like a phone does. Budget more time for this step than feels necessary; it always takes longer than expected.
What I’d tell someone about to do this
Write down your current WiFi name, password, and any custom settings before you start, even if you think you’ll remember them. Have your ISP login details on hand if you use fiber or DSL with authentication. And genuinely make sure a simple restart hasn’t already solved the problem — checking this first would have saved me the hour I spent rebuilding everything after jumping straight to a factory reset that I didn’t actually need.
Keeping this from becoming necessary again
I restart my router on a rough weekly schedule now rather than waiting for problems to build up, and I’ve only needed an actual factory reset once since — when switching providers genuinely required starting from scratch. That’s roughly how often it should come up for most households: rarely, and usually for a specific reason rather than as routine maintenance.
Tanimur Rahman is the founder of Internet Fix Guide. He writes step-by-step tutorials to help users solve WiFi, router, and internet connectivity problems quickly.