Start with the simplest fixes first

Most wireless connection problems come from something you can fix in under five minutes without calling anyone. Before you assume the router is broken or your internet service is down, restart your router, move closer to it, and check whether other devices can connect. If your phone connects but your laptop does not, the problem is with that one device, not your whole network. If nothing connects, or everything connects but the internet is slow, the issue is usually the router or your modem.

The single most effective fix is to unplug your modem and router, wait 30 seconds, and plug them back in — in that order. Plug the modem in first, wait for all its lights to stop blinking and settle into a steady pattern (usually 2 to 3 minutes), then plug in the router. This clears temporary errors that build up over time and often restores a connection that dropped or became unreliable.

Key Takeaways

  • Restart your modem first, then your router, and wait for all lights to stabilize before testing your connection.
  • Move your router to a central, elevated location away from walls, metal objects, and devices like microwaves or cordless phones that broadcast on the same frequency.
  • Check your router's WiFi password in its settings or on the sticker on the back, and make sure you are typing it correctly when you connect.
  • If one device will not connect but others do, restart that device and forget the network in its WiFi settings, then reconnect using the correct password.
  • If restarting does not work and your modem shows no internet light, contact your internet service provider to check whether your service is actually working.

Check your router's location and physical setup

WiFi travels through air but bounces off and is blocked by walls, metal, and water. A router hidden in a cabinet, in a corner, or behind a TV will have much weaker signal than one sitting on a shelf in the middle of your home. The best location is high up — on a shelf or mounted on a wall — and away from obstacles. If your router is in a basement or closet, moving it to a central hallway or living room often fixes weak signal or dead zones where the connection drops.

Keep your router away from other electronics that broadcast radio signals on the same frequency. Microwaves, cordless phones, baby monitors, and some older wireless speakers all use the 2.4 GHz band, the same frequency most routers use. If your router is next to a microwave or cordless phone base, move it at least 6 feet away. If you have a newer router that supports both 2.4 GHz and 5 GHz bands, the 5 GHz band is faster but does not travel as far through walls — use it for devices close to the router and 2.4 GHz for devices farther away or in other rooms.

Verify you are using the correct WiFi password

A device that will not connect often shows an error like "incorrect password" or "cannot connect to this network." The most common cause is a typo in the password. WiFi passwords are case-sensitive, meaning capital letters and lowercase letters are different. If your password is MyHome2024, typing myhome2024 will not work.

Find your correct password on the sticker on the back or bottom of your router — it usually says "WiFi Password" or "Network Key" next to a string of letters and numbers. If you have changed the password since you set up the router and do not remember it, you can reset the router to its factory settings by holding down the reset button (usually a small hole on the back) for 10 to 15 seconds. This will erase all your settings and return the password to the one on the sticker, so you will need to set up the network again from scratch.

Reconnect a device that will not join the network

If your phone or laptop refuses to connect even with the correct password, the device's memory of that network may be corrupted. Most devices store information about networks they have connected to before, and sometimes that stored information becomes outdated or broken.

On an iPhone or iPad, go to Settings, then WiFi, find your network name in the list, tap the information icon (a circle with an "i"), and select "Forget This Network." Then go back to the WiFi list, select your network again, and enter the password. On an Android phone, go to Settings, then WiFi, long-press your network name, and select "Forget." Then reconnect and enter the password. On a Windows computer, go to Settings, then Network & Internet, then WiFi, select "Manage Known Networks," find your network, and click "Forget." Then reconnect. On a Mac, hold Option and click the WiFi icon in the menu bar, then select "Manage Networks," find your network, and click the minus sign to remove it, then reconnect.

Check whether your internet service is actually working

If your router is on and you can see its WiFi network in your list of available networks, but nothing can connect to the internet, the problem may not be your WiFi at all — it may be your internet service. Look at your modem (the device that connects to the cable or phone line coming into your home). Most modems have a light labeled "Internet," "Online," or "WAN." If that light is off or red, your internet service is not working.

If the internet light is off, restart the modem by unplugging it for 30 seconds and plugging it back in. Wait 2 to 3 minutes for all the lights to settle into their normal pattern. If the internet light still does not turn on or turn green, contact your internet service provider. They can check whether there is an outage in your area or a problem with your account. Have your account number ready when you call — you can find it on your bill or on the provider's website.

Update your router's software if it is very old

Routers have built-in software (called firmware) that controls how they work. Older routers sometimes have bugs or security problems that newer versions fix. If your router is more than 3 to 5 years old and you have not updated it, an update may improve its stability and speed.

To check for updates, open a web browser and type 192.168.1.1 or 192.168.0.1 into the address bar (different routers use different addresses). You may be asked to log in — the username is often "admin" and the password is often "admin" or "password," or it may be on the sticker on your router. Look for a section called "Administration," "System," "Firmware," or "Software Update." If an update is available, follow the on-screen steps to install it. Do not unplug the router while an update is running — wait until it says the update is complete and the router has restarted.

Know when to replace your router instead of fixing it

If your router is more than 7 to 10 years old, keeps dropping the connection even after restarting, or will not turn on at all, replacement is usually cheaper and faster than repair. Routers are not repairable by consumers — you cannot replace internal parts. A new router costs between $50 and $200 depending on the size of your home and the speed you need. If your current router is that old, a new one will also be faster and more find.

Before you buy a new router, check what speed your internet service actually provides. If you pay for 100 Mbps service, a very expensive router will not make your internet faster — your service speed is the limit. A mid-range router ($75 to $120) is usually enough for most homes. If you have a large home or many devices, a mesh system (multiple smaller routers that work together) may work better than a single large router, but that is a separate decision from fixing a connection problem.

Frequently Asked Questions

Why does my WiFi work fine sometimes and drop other times?

Intermittent connection loss usually means your router is overheating, too far from your device, or picking up interference from nearby electronics. Try moving the router to a cooler, more central location and away from microwaves or cordless phones. If the problem happens at the same time every day, it may be interference from a neighbor's network — your router may be trying to use the same WiFi channel. You can change the channel in your router's settings (usually under "WiFi" or "Wireless"), though this requires logging in to the router's admin page.

My internet is slow even though I am connected. Is that a WiFi problem?

Slow speed can be WiFi or internet service. If you are far from the router or have many walls between you and it, move closer and test again. If speed improves, it is a WiFi signal problem. If speed stays the same, contact your internet service provider — you may not be getting the speed you are paying for, or there may be an outage affecting your area.

Can I fix my WiFi by changing the password?

Changing the password will not fix a connection problem, but it is worth doing if you suspect someone else is using your network without permission. If your internet suddenly became very slow and you have not changed your password in years, an unauthorized user may be connected. Change the password in your router's settings (the admin page at 192.168.1.1 or 192.168.0.1), then reconnect all your own devices using the new password.

What is the difference between restarting and resetting my router?

Restarting means unplugging it and plugging it back in — this clears temporary errors but keeps all your settings. Resetting means holding the reset button for 10 to 15 seconds — this erases everything and returns the router to factory settings, including the password. Always try restarting first. Only reset if restarting does not work and you are willing to set up the network again from scratch.

Should I leave my router on all the time?

Yes. Routers are designed to run continuously and use very little power. Turning it off and on repeatedly can actually shorten its lifespan. If you want to save power, unplug it at night only if you do not need WiFi then — but restarting it every morning may cause more problems than it solves.