How-Tos Productivity Downloads About

Reuse an Old Router

Everyone has a drawer with an old router — replaced, not broken. Before it becomes e-waste, give it a second job: a garage access point, a guest network, or a switch for wired devices. A factory reset and a firmware update come first. For the cleanest setup, follow the access point guide and the old-router-as-AP basics.

a person configuring a real old router with a laptop showing a legible admin page, the router dusty but working, the person's face resourceful, home office.

TL;DR / Quick Fix

Quick fix: that old router in the drawer can become a Wi-Fi extender, a guest network, or a garage access point — but a factory reset and firmware update come first. For the cleanest setup, configure it as an access point. Old hardware earns its keep instead of gathering dust.

Follow these steps

  1. Factory-reset the old router. Hold the reset button until the lights blink. This wipes the old ISP settings and passwords — you start from a clean slate.
  2. Update its firmware. Check the maker's site for the latest firmware for your exact model and install it. Old firmware means old security holes.
  3. Decide its new job. Access point (extends Wi-Fi cleanly), guest network (isolates visitors), or switch (more wired ports). Pick one — multitasking old routers disappoint.
  4. Configure access point mode. The best use for most: disable its DHCP, give it an address on your network, and connect it by cable to the main router. Follow the step-by-step AP guide.
  5. Place it where it helps. Garage, backyard office, far bedroom — wherever the main router's signal fades. It needs a cable back to the main router for best results.
  6. Secure it like new. Set a strong admin password and WPA2 or WPA3 Wi-Fi password. Old does not mean open.
A person performing the first step of the guide: Factory-reset the old router.
Step 1 in action: Factory-reset the old router. Hold the reset button until the lights blink. This wipes the old ISP settings and passwords — you start fro...

What NOT to do

  • Do not skip the factory reset. Old ISP logins and passwords lingering in it are a security liability.
  • Do not use it as a repeater if you can cable it. Wireless repeating halves your speed; a cable keeps it full.
  • Do not leave default passwords. Old routers are prime targets precisely because people never change the defaults.
  • Do not expect modern performance. An old router extends coverage fine but will not match a new one for speed.

Frequently asked questions

Can an old router slow my network?

Only devices connected to it get its slower speeds; the rest of your network is unaffected.

What if there is no firmware update?

If the maker abandoned it years ago, use it only as a dumb switch or recycle it — unpatched routers are risky.

Is this better than buying a mesh node?

A free access point beats a purchase for simple coverage gaps. For seamless roaming, real mesh wins.

What to read next

About the author

By Juan Ibarra · Google IT Support Certified (Verified on Credly). See the About page for full author details.

Share this guide