The little Wi-Fi icon has a warning on it. Your call starts in ten minutes, and nothing will load. Your email, calendar, and meeting link all feel suddenly out of reach.
It’s frustrating. But before you start changing settings, or restart everything in sight, try to work out what’s actually broken. Is the whole internet down? Is it just this one computer? Or is the connection working, but painfully slow?
That quick distinction helps you choose a sensible next step. And if the fix isn’t obvious, you don’t have to keep troubleshooting alone.
First, check whether it’s one device or all of them
Connect another device, like your phone or tablet, to the same Wi-Fi network. Try opening a familiar website or app.
- Nothing works on any device: The problem may be with your router, modem, or internet provider.
- Other devices work, but your computer won’t connect to Wi-Fi: The issue is more likely with that computer or its connection settings.
- Everything connects, but pages are slow or keep stalling: The signal, network traffic, or internet service may be the problem.
This isn’t busywork. It’s a quick way to narrow down where to look. You can also try a different website: if one site won’t load but others do, the issue may be with that site rather than your Wi-Fi.
If the whole internet is down
When several devices can’t get online, focus on the equipment and service they share.
1. Check the basics
Make sure your router and modem are plugged in and powered on. If they’re separate devices, check the cables between them too. A loose power or internet cable can interrupt the connection.
Take a quick look at the status lights. If they’re off or showing an unusual warning, note that. The lights vary by device, so check its label or instructions if you’re not sure what they mean.
2. Check for an internet service outage
Your internet provider may have an outage or a service issue in your area. If you have mobile service, check your provider’s app or website on your phone. You can also call them and ask whether there’s an outage at your address.
This can save you from changing settings when the issue is outside your office.
3. Restart the modem and router once
Yes, “restart the router” is a familiar suggestion, and it can feel like a brush-off. But restarting can help the equipment make a fresh connection to your internet provider after a temporary hiccup.
If your modem and router are separate:
- Unplug both from power.
- Wait about 30 seconds.
- Plug the modem back in and wait for it to settle.
- Plug in the router and give it a few minutes to reconnect.
- Test your connection again.
If they’re a single combined device, unplug that device, wait, and plug it back in. Anyone using the Wi-Fi may be disconnected briefly, so avoid restarting it during an important call if you can wait.
Don’t press the router’s factory reset button as an early fix. That can erase its settings and make setup more complicated. Microsoft’s Wi-Fi troubleshooting guide also recommends checking the connection and restarting network equipment.
If only one computer won’t connect
If your phone and other devices are online, your internet service is probably working. Now focus on the computer.
1. Make sure Wi-Fi is on
It’s easy to switch Wi-Fi off by accident. On a Windows computer, select the network icon near the clock and check that Wi-Fi is turned on. Make sure Airplane mode is off, too.
If you’re already connected to your Wi-Fi network but still can’t load anything, disconnect from the network and connect again.
2. Restart the computer
A restart can clear a temporary problem with the computer’s connection. Save your work first, then restart and try again.
It’s a simple step, but it’s different from repeatedly turning Wi-Fi off and on. Give the computer a clean start, then see whether it can reconnect.
3. Reconnect to your Wi-Fi network
If the computer still won’t connect, you can tell it to forget the network and then join it again. Before you do, make sure you know the Wi-Fi password.
On Windows, open Settings, go to Network & internet, then Wi-Fi and Manage known networks. Select your network, choose Forget, and reconnect by entering the password.
If you’re unsure about the password or worried about changing settings, pause here. You don’t need to guess your way through it.
If it connects but the internet is running slow
A slow connection is different from no connection. You may be able to open email, but a video call freezes or a website takes ages to load.
Start with the easy checks:
- Move closer to the router. Walls, distance, and other obstacles can weaken the signal. Moving closer helps you see whether signal strength is part of the issue.
- Try the connection in another spot. If it works well near the router but not at your desk, the signal may not reach your work area reliably.
- Check whether other devices are using the connection heavily. Large downloads, video streaming, or several active calls can leave less capacity for your work.
- Try more than one website or app. If only one website won’t load, the problem may be with that site or service.
- Ask whether anyone else is noticing the slowdown. If several devices are slow, the issue may be with the network or internet service, not your computer.
If your connection is consistently slow across devices, contact your internet provider. Tell them when the slowdown happens and whether it affects all devices. If you have a speed test available, run it near the router and note the result, but you don’t need a speed test to ask your provider for help.
When should you stop troubleshooting?
A few basic checks are reasonable. But you don’t have to spend your workday digging through settings.
Ask for help if:
- Several devices stay offline after you’ve checked the cables and restarted the equipment.
- Your computer still won’t connect, but other devices work normally.
- The connection keeps dropping or slows down often enough to interrupt work.
- You’re not sure which settings are safe to change.
- You need to get back to a client call or a deadline instead of troubleshooting.
If you contact your internet provider, tell them whether the issue affects one device or all devices and what the equipment’s lights are doing. If only one computer is affected, a remote IT help desk may be better placed to help with that computer’s settings.
Need a hand getting connected?
Wi-Fi problems are inconvenient, especially when you’re trying to run a business. You can check the basics, figure out whether the issue affects one device or the whole network, and then choose your next step. If it’s still not clear, it’s okay to ask someone to help.
My SMB IT’s Essentials and Pro plans include unlimited remote Help Desk support for everyday technology problems, including Wi-Fi and internet issues. Plans start at $9.99 per device per month. There are no contracts, and you can cancel anytime. See the pricing and plan details or learn more about Wi-Fi and internet support.
A quick conversation may be all it takes to get you back online, and back to work.