How to Disable Wi-Fi on Your Router

When to disable Wi-Fi

Disabling Wi-Fi is most useful when every device that needs the internet can connect through an Ethernet cable. This setup is common for desktop computers, network storage, printers, and wired gaming consoles. If no device in the home depends on Wi-Fi, the router does not need to transmit a wireless signal.

Turning off the radios narrows the ways someone can try to reach your network. The Wi-Fi Alliance describes Wi-Fi security technologies such as WPA3 and Protected Management Frames, but an Ethernet-only router removes the wireless path entirely. It also prevents neighbors or passersby from seeing your home network name, because the router stops broadcasting it. Review Ethernet vs Wi-Fi if you are deciding which connection type your devices should use, and router security basics for the broader security picture.

• All internet-connected devices have Ethernet ports and cables.
• You do not plan to use Wi-Fi for phones, tablets, smart home gear, or guest access.
• You want to reduce the number of wireless signals in a room or building.
• You are setting up a small office where wired connections are preferred.

What you need before starting

Before you disable Wi-Fi, make sure you can still reach the router after the radios go off. Connect a computer to one of the router's Ethernet LAN ports with a cable. Keep the router's model name, default login address, and admin password nearby, or store them in your password manager.

You can log in through a web browser or the router maker's app. If you use an app, check whether it can manage the router over Ethernet. Many apps are designed for phones and tablets, which may not have an Ethernet port, so the browser route is often more reliable for this task. If you are not sure whether you are changing the modem or the router, see modem vs router.

Find the wireless settings

Open the router's admin page from the wired computer. Most routers place wireless controls under a section named Wireless, Wi-Fi, or Advanced Network. The exact label depends on the router model and firmware, but the goal is the same: find the settings that control the radio bands.

Wireless LAN operation is defined by the IEEE 802.11 standard, which covers the medium access control and physical layer specifications for Wi-Fi. Current routers often support multiple bands. The Wi-Fi Alliance describes Wi-Fi 7 as operating across 2.4 GHz, 5 GHz, and 6 GHz, so you may see a separate toggle for each band. If you rarely use a particular band, you can disable only that band and leave the rest active. See router bands explained and Wi-Fi radio explained for more detail.

Turn off the Wi-Fi radios

The steps below are general because every admin page looks different. They apply to consumer routers, mesh systems, and many business routers.

• Log in to the router admin page from a computer connected by Ethernet.
• Open the Wireless, Wi-Fi, or Advanced Network section.
• Look for toggles or checkboxes labeled 2.4 GHz, 5 GHz, 6 GHz, or Enable Wireless.
• Turn off each band, or turn off the master wireless switch if one exists.
• Save or apply the changes.
• Confirm that your Ethernet-connected computer still has network access.

What happens after you disable Wi-Fi

Once you save the settings, the router stops broadcasting Wi-Fi. The Ethernet LAN ports continue to work, so wired devices still send and receive traffic. The router itself remains reachable from any computer connected to one of its LAN ports.

Wireless devices that were connected to the router will disconnect and will not be able to rejoin until you turn the radios back on. Guest Wi-Fi is carried by the same radios, so if you want to keep guests off the network completely, disable all guest SSIDs from the same wireless settings page. You can read more about guest network explained before deciding.

If you switch to a fully wired setup, plan for devices like phones and tablets: they will need to use mobile data or a separate network if they still need internet access.

Security benefits and limitations

Disabling Wi-Fi is a security step, not a complete security plan. The Wi-Fi Alliance notes that Wi-Fi CERTIFIED devices include security protocols such as encryption, authentication, WPA3, and Protected Management Frames. When the radio is off, those protections matter less for wireless access because there is no Wi-Fi path to attack.

At the same time, a router still has other responsibilities. It performs routing, firewall duties, and management over Ethernet. Keep the admin password strong, update the firmware, and change the default login. NIST describes its cybersecurity work as developing standards, guidelines, and best practices; applying current guidance to your own network is a reasonable habit. See router firmware updates explained and router security basics for the rest of the security picture.

Choosing a router for Ethernet-only use

Choosing a router for an Ethernet-only environment shifts the focus away from Wi-Fi specs. Wired ports, multi-gig LAN ports, and management options become more important than the number of wireless bands. If you might turn Wi-Fi back on later, choose a current standard such as Wi-Fi 7 routers or Wi-Fi 6 routers.

If your internet connection needs a 4G or 5G modem, see 4G and 5G routers. For a wired-heavy home or small office, routers with multi-gig ports can be a better fit.

What to pick for your use

Questions

Will Ethernet ports still work if I disable Wi-Fi?

Yes. Disabling the Wi-Fi radios only stops wireless transmission. The Ethernet LAN ports on the router continue to pass traffic to the rest of your network.

Can I disable only the 5 GHz band and keep 2.4 GHz?

Most routers let you manage each radio band separately. Open the wireless settings and find the toggle for 5 GHz, then turn it off while leaving 2.4 GHz enabled. The same applies to a 6 GHz band on Wi-Fi 6E or Wi-Fi 7 routers.

Does disabling Wi-Fi make my router more secure?

It removes the wireless link that an attacker could target, so the network has a smaller attack surface. You still need to manage wired security, including a strong admin password, regular firmware updates, and good security practices on connected devices.

What if I want to restore Wi-Fi later?

Return to the same wireless settings page and enable the radio bands you want. The router will begin broadcasting again, and wireless devices can reconnect using the network name and password you already set.

Do I need a special router for Ethernet-only use?

No. Any router with enough Ethernet LAN ports works as an Ethernet-only router. If you are buying new, you can prioritize wired ports and multi-gig connections instead of Wi-Fi features.