How to Fix Wi-Fi Connection Issues

These steps help identify and resolve common problems such as a device that will not join Wi-Fi, a connection that keeps dropping, or a network that connects without internet access. You will need access to the affected device and, for some steps, the router or modem. Avoid resetting network equipment until you have checked the simpler causes.

What You’ll Need

The device having trouble, such as a phone, computer, or tablet.
The Wi-Fi network name and password, if you may need to reconnect.
Access to the router and modem, including their power cables. If the equipment belongs to a landlord or internet provider, check before changing its settings.
Another device or a mobile connection, if available, to help determine whether the issue affects one device or the whole network.

Step-by-Step

Identify the scope. Check whether other devices can use the same Wi-Fi network. If only one device is affected, focus on that device. If several devices cannot connect or access the internet, investigate the router, modem, or internet service. If you can, test the affected device on a different trusted Wi-Fi network.
Check the basics on your device. Make sure Wi-Fi is turned on and Airplane mode is off. Confirm that you are selecting the right network; nearby networks can have similar names. Move closer to the router and try again. Walls, floors, appliances, and distance can weaken the signal.
Reconnect to the network. Turn Wi-Fi off, wait a few seconds, and turn it back on. If the device still fails, use its network settings to forget or remove the network, then select it again and enter the password carefully. Menu names and paths vary slightly by device and software version. Forgetting a network removes its saved password, so make sure you know it first.
Restart the affected device. Save your work and restart the phone, tablet, or computer. This can clear a temporary software or connection fault. After it turns back on, reconnect to Wi-Fi and try opening a few different websites or apps.
Power-cycle the modem and router. If multiple devices are affected, unplug the router and modem from power. If they are separate devices, unplug both; wait about 30 seconds, then reconnect the modem first. Wait for its connection lights to settle, then reconnect the router and give it a few minutes to start. Follow the equipment maker’s instructions if they specify a different order. Do not press the reset button: that can erase custom settings.
Check the internet connection. Look at the modem and router indicator lights and their labels, which differ by model. Check your internet provider’s service-status page using mobile data or another working connection, if available. If Wi-Fi connects but no websites work on any device, the issue may be with the modem, provider, or service rather than the Wi-Fi signal.
Check device settings and updates. Confirm the device’s date and time are set correctly, and install any pending operating-system updates when you have a reliable connection. If you use a VPN or a manually configured proxy, temporarily disconnect it and test again; restore it afterward if it is needed. Menu paths differ by version, so use your device’s built-in search or official help if you cannot find a setting.
Test and escalate carefully. Try the connection near the router, then in the room where you normally use the device. If one device still fails on several networks, contact its manufacturer or support provider. If several devices still fail on your home network after the restart, contact your internet provider or the person responsible for the router. Share the lights you see and the steps you have tried.

Common Mistakes

Resetting instead of restarting: A router’s reset button often restores factory settings and may remove the network name, password, or provider configuration. Use the power cable for a restart unless support specifically directs you to reset it.
Repeatedly entering a password: Check uppercase and lowercase letters, punctuation, and whether the password is for the selected network. Ask the network owner to confirm it rather than guessing.
Changing several settings at once: This makes it difficult to tell what helped and can introduce new problems. Make one change, test, and note what you changed.
Assuming a Wi-Fi connection means internet access: A device can connect to the router while the router has no internet service. Test another device and check the modem or provider status.
Putting the router in a hidden spot: A closed cabinet or a location behind large objects can reduce coverage. Keep it in an open, central place where practical, with ventilation.

Tips

Record the network name and password somewhere secure before troubleshooting. Do not share the password publicly.
Keep the router’s vents clear and avoid placing it beside objects that block the signal. If coverage is consistently poor in one area, ask the equipment maker or provider about suitable placement or coverage options.
When a connection drops, note whether it happens on one device, in one room, or at certain times. These details help support staff narrow down the cause.
Use a trusted network for sensitive tasks. Avoid changing router security settings unless you understand the effect or have guidance from the provider.

Troubleshooting

Wi-Fi network does not appear: Move close to the router and check that its Wi-Fi function is enabled. Restart the router using its power cable. If other devices can see the network but one cannot, restart that device and check for system updates. Some routers broadcast separate network names for different frequency bands; use the name and connection instructions provided by the network owner.

It says connected, but there is no internet: Test another device on the same network. If none can access websites, check the modem connection and provider service status, then contact the provider if service does not return. If only one device is affected, forget the network and reconnect, then temporarily test without a VPN or manual proxy.

The signal is weak or keeps dropping: Test close to the router. If the connection improves, location or interference may be the cause; reposition the router in an open, central spot if possible. If it remains unstable nearby, restart the equipment and contact the provider or router maker for further checks.

Still cannot connect: Do not factory-reset the router unless you have the correct setup details and instructions. Gather the device type, the exact error message, which indicator lights are on, and whether other devices work, then contact the relevant support team.

Frequently Asked Questions

Why does my device say Wi-Fi is connected but there is no internet?

The device may be connected to the router while the router has lost its connection to the internet. Check another device and the modem lights. If all devices are affected, contact your internet provider if a restart does not restore service.

Should I restart my router or reset it?

Start with a restart: unplug its power, wait about 30 seconds, then reconnect it. A factory reset is different and can erase settings, so use it only when the equipment maker or provider instructs you to and you have the setup details.

Why does Wi-Fi work in one room but not another?

Distance and obstacles can weaken the signal. Try moving the router to an open, central location and test the connection in the problem room. If coverage remains poor, ask the provider or equipment maker about appropriate options.

Will forgetting a Wi-Fi network delete anything else?

It removes that network’s saved connection details, including its password, from the device. It does not normally delete your other files or apps. Make sure you can get the password before removing the network.

When should I contact my internet provider?

Contact the provider if multiple devices cannot access the internet after you restart the modem and router, if the modem indicates a service problem, or if the provider reports an outage. Contact the device maker when only one device has trouble across different networks.

Sources: Microsoft Support. Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.