Wi-Fi Keeps Dropping? Here’s How to Actually Fix It

A Wi-Fi connection that drops every twenty minutes usually isn’t random bad luck. It’s almost always one of five specific causes, and each one has a specific fix. Work through these in order before you replace anything.

1. Check whether it’s actually the Wi-Fi, not the internet

Connect a laptop or phone directly to the router with an Ethernet cable if possible, or check whether every device in the house drops at the same time. If only one device struggles, the problem is that device’s Wi-Fi adapter or drivers, not the network. If everything drops together, it’s the router or the connection coming into the building.

2. Reboot the router and modem the right way

Unplug both the modem and router, wait a full 30 seconds (not 5), then plug the modem in first and let it fully reconnect before plugging in the router. This clears memory leaks that build up in cheap router firmware over weeks of uptime — the single most common cause of routers that were fine and then aren’t.

3. Change your Wi-Fi channel

In a Manhattan apartment building, you’re usually sharing airspace with 10-30 other networks. On the 2.4GHz band, only channels 1, 6, and 11 don’t overlap with each other — if your router is set to “auto” it may be picking a crowded channel. Log into your router’s admin page and manually set the 2.4GHz channel to 1, 6, or 11, whichever a Wi-Fi analyzer app shows as least congested. On 5GHz, congestion is less of an issue, but switching to a fixed channel there too can help in dense buildings.

4. Update router firmware and device drivers

Router manufacturers regularly patch stability bugs, not just security holes. Check your router admin panel for a firmware update option. On Windows, update the Wi-Fi adapter driver through Device Manager rather than relying on Windows Update, which is often behind. On a Mac, keep macOS current — Wi-Fi stack bugs are usually fixed in point releases.

5. Rule out interference and distance

Microwaves, older cordless phones, and baby monitors can interfere with 2.4GHz Wi-Fi. Thick plaster or brick walls (common in older NYC buildings) can cut signal strength significantly per wall. If the router is more than two rooms away from where you’re working, a mesh Wi-Fi system or a single well-placed access point will do more than any software fix.

When to call it in

If you’ve worked through all five steps and connections are still dropping, the router itself may be failing, or there could be a line issue from your ISP. At that point it’s worth having someone look at signal strength and interference on-site with proper tools rather than guessing further.

The cause nobody checks: band steering

Most modern routers broadcast 2.4 GHz and 5 GHz under a single network name and decide which one each device uses. They frequently decide badly. A laptop will cling to a weak 5 GHz signal from two rooms away rather than switching to the strong 2.4 GHz signal sitting right there — and every time it wavers, your connection drops.

If your drops happen in one specific room, or while you walk between rooms, this is very likely the cause. Split the bands into separate network names and manually join the 2.4 GHz one on devices that live in the far rooms. It is slower on paper and dramatically more stable in practice.

Two more worth ruling out

Channel congestion. In a dense Manhattan building you may share airspace with thirty networks. Move your 2.4 GHz network to channel 1, 6, or 11 — the only three that do not overlap. In a crowded building this alone can be the fix.

Power saving. Windows laptops ship with a setting that powers down the Wi-Fi adapter to save battery, which reads as random disconnects. Open Device Manager, find your wireless adapter, go to Power Management, and uncheck it.

Based on the Upper West Side, we fix this in person when it is not resolving on its own — including the building-wide issues no amount of home troubleshooting can touch. See also our guide to Wi-Fi dead spots in prewar apartments.