Start with the simplest fixes first
Most laptops that won't connect to WiFi are actually connected to the network but blocked from the internet, or they've straightforward lost the saved password. Before you restart anything, check three things: whether WiFi is turned on at all, whether you're looking at the right network name, and whether the network itself is working.
On Windows, click the WiFi icon in the bottom right corner of your taskbar. If it shows "WiFi is turned off" or a red X, click it to turn WiFi back on — this happens more often than you'd expect, especially after updates or if you have a keyboard shortcut that toggles it. On Mac, click the WiFi icon in the top right corner and make sure "Turn WiFi On" isn't showing; if it is, click it.
Next, look at the list of available networks. The name you're looking for should match what's printed on your router or what you named it yourself. If you see your network but it has a lock icon next to it, that's normal — it just means it's password-protected. If you don't see it at all, your router may not be broadcasting its name, or you may be out of range.
Key Takeaways
- Check that WiFi is actually turned on in your system settings, since it can be disabled by keyboard shortcuts or Windows updates.
- Forget the network from your laptop's settings and reconnect with the password, which fixes most connection problems without restarting anything.
- Restart your router by unplugging it for 30 seconds, then your laptop, which resolves about half of all WiFi problems.
- If your laptop connects but has no internet, the problem is usually your router or internet service, not your laptop.
- Check Device Manager on Windows or System Report on Mac to see whether your WiFi hardware is actually present and working.
Forget the network and reconnect with the password
When a laptop connects but then drops, or connects and stays connected but won't load websites, the saved password is often corrupted. The fastest fix is to remove the network from your laptop's memory and add it back.
On Windows 10 or 11, go to Settings > Network & Internet > WiFi > Manage Known Networks. Find your network name in the list, click it, and click "Forget". Then go back to the WiFi list, find your network again, click "Connect", and type the password. On Mac, go to System Settings > WiFi, click "Details" next to your network name, then click the minus button to remove it. Click "Join Other Network", type the network name and password, and click "Join".
Use the exact password from your router — it's usually on a sticker on the back or bottom. Passwords are case-sensitive, so "MyPassword" is different from "mypassword". If you're not sure what the password is, you can see it on the router itself or log into your router's settings page (usually 192.168.1.1 in a web browser on a connected device) to check or reset it.
Restart your router and laptop in the right order
A restart fixes about half of all WiFi problems because it clears out temporary errors in both devices. The order matters: always restart the router first, then the laptop.
Unplug your router's power cable and wait 30 seconds — count them out, because 10 seconds usually isn't enough. Plug it back in and wait for the lights to stop blinking and settle into their normal pattern, which usually takes 2 to 3 minutes. Then restart your laptop normally through the Start menu or Apple menu. Once your laptop is back on, try connecting to WiFi again.
If restarting doesn't work, check whether your router is in a good location. It should be in an open space, away from microwaves, cordless phones, and metal objects. Walls and distance reduce signal strength, so a router in a basement or closet will have weaker range than one in a central location.
Check whether your laptop's WiFi hardware is actually working
Some laptops have a physical WiFi switch or a keyboard shortcut that disables the WiFi chip entirely. If you've already turned WiFi on in settings but still can't see any networks, the hardware itself may be disabled or missing a driver.
On Windows, right-click the Start button, click "Device Manager", and look for "Network adapters". Expand that section and look for anything with "Wireless" or "WiFi" or "802.11" in the name. If you see it and there's no warning symbol (yellow triangle or X), the hardware is present. If there's a warning symbol, right-click it and click "Update driver". If you don't see any wireless adapter at all, your WiFi hardware may be physically disabled — check your laptop's manual for a keyboard shortcut or BIOS setting.
On Mac, click the Apple menu, go to "About This Mac", click "System Report", then click "Network" on the left. Look for "Wi-Fi" in the list. If it shows a status like "OK" or lists a model number, your hardware is working. If it says "Not Available" or doesn't appear at all, your WiFi chip may need service.
Check whether the problem is your laptop or your internet
If your laptop connects to the network but websites won't load, or if you can see the network but can't connect at all, the problem may not be your laptop — it may be your router or your internet service provider.
Try connecting a different device to the same network: a phone, tablet, or another laptop. If that device also can't connect or can't reach the internet, the problem is your router or your internet connection, not your laptop. If the other device works fine, the problem is specific to your laptop.
If your internet is down, your router will usually show a red or orange light on the front. Call your internet provider to check whether there's an outage in your area. If there's no outage and the light is red, unplug the modem (the device that connects to your wall outlet or cable) for 30 seconds, plug it back in, and wait 3 to 5 minutes for it to restart. Then restart your router.
Update or reinstall your WiFi driver
A driver is software that tells your laptop how to use its WiFi hardware. If the driver is outdated or corrupted, your laptop may not connect even though the hardware is fine.
On Windows, right-click the Start button, click "Device Manager", expand "Network adapters", right-click your wireless adapter, and click "Update driver". Choose "Search automatically for updated driver software" and let Windows search. If an update is found, install it and restart your laptop. If no update is found, right-click the adapter again, click "Uninstall device", restart your laptop, and Windows will reinstall the driver automatically.
On Mac, drivers are built into the operating system and update automatically through System Updates. Go to System Settings > General > Software Update and install any available updates, then restart your laptop.
Check your router's settings if nothing else works
If your laptop still won't connect after trying everything above, the problem may be in your router's settings — for example, a filter that's blocking your laptop's hardware address, or a security setting that's too strict.
Open a web browser on any connected device and go to 192.168.1.1 or 192.168.0.1 (the exact address is usually on your router). Log in with the username and password on your router's sticker. Look for a section called "Connected Devices", "DHCP Clients", or "Device List" to see whether your laptop appears. If it does, your laptop is connecting but something else is blocking it. If it doesn't, your laptop isn't reaching the router at all.
Check whether your router has a "MAC filter" or "Device filter" turned on — this is a security feature that blocks specific devices. If you find one and your laptop isn't on the allowed list, add it. The exact steps depend on your router model, so search for "[your router model] MAC filter" if you're not sure where to find it.
Frequently Asked Questions
Why does my laptop connect but then disconnect after a few seconds?
This usually means your laptop is connecting to the network but can't reach the internet, or the connection is unstable. Try forgetting the network and reconnecting, then restart your router. If it keeps happening, move your laptop closer to the router to see if distance is the problem. If it works closer, your signal is too weak where you normally sit.
My laptop sees the network but says "can't connect" when I try to join it
You're probably typing the password wrong — passwords are case-sensitive and spaces count. Double-check the password on your router's sticker. If the password is correct, forget the network and try again. If it still won't connect, restart your router and try once more.
What if my laptop is the only device that won't connect?
The problem is specific to your laptop, not your router. Try forgetting the network and reconnecting, restart your laptop, and update your WiFi driver. If those don't work, check Device Manager to make sure your WiFi hardware is present and not disabled.
Can I fix this without restarting?
Yes — forgetting the network and reconnecting works without a restart about 60 percent of the time. If that doesn't work, restarting your router (not your laptop) fixes most of the remaining cases. A full restart of both devices is the most reliable fix.
How do I know if my WiFi hardware is broken?
If Device Manager shows no wireless adapter at all, or if it shows one with a warning symbol that doesn't go away after updating the driver, your hardware may be broken. If your laptop is under warranty, contact the manufacturer. Otherwise, an external USB WiFi adapter (about $15 to $30) will work as a temporary solution.