Laptop and phone unable to connect to a home Wi-Fi router

Quick answer: When Wi-Fi is not working, first determine whether the problem affects one device or every device. If one device fails while others connect, troubleshoot that device. If every device fails, check the router or gateway, its cables and lights, and your internet provider. Do not factory-reset the router during initial troubleshooting.

Safety first: Restarting a modem or router temporarily disconnects every device that depends on it, including Wi-Fi calling, cameras, alarms, medical devices, and smart-home equipment. If someone needs an active connection for safety or urgent communication, arrange a working alternative before disconnecting power. Never open the router, modem, or power adapter.

This guide helps you separate a device problem from a Wi-Fi coverage problem, router or modem failure, and an internet service provider outage. Most checks take 10 to 20 minutes and require no tools. If your device already shows that it is connected to Wi-Fi but websites and apps do not work, start with our more specific guide: Wi-Fi Connected but No Internet? 12 Safe Checks to Find the Problem.



First, identify exactly what “Wi-Fi not working” means

Use the symptom that best matches what you see. This prevents you from changing settings that are unrelated to the failure.

  • The Wi-Fi control is missing or will not turn on: This usually points to the device, its wireless adapter, software, or an airplane-mode or hardware-switch setting.
  • Your network name does not appear: The router may not be broadcasting, the device may be out of range, or the device may not support the network band or security setting.
  • The network appears, but the device cannot join: Check that you selected the correct network and entered its current password. Authentication or saved-network information may be involved.
  • The device joins Wi-Fi but reports no internet: Wi-Fi is working locally, but the connection beyond the router may not be. Follow the connected-without-internet diagnostic.
  • The connection is weak, slow, or keeps dropping: Distance, walls, interference, device placement, or router performance may be responsible.
  • Every device is offline: Focus on the gateway or router, modem, cabling, power, provider status, or an account issue.

1. Test a second device

Try the same Wi-Fi network on another phone, tablet, or computer. Do not rely on only one app; open a new webpage or use another internet-dependent service.

  • Another device works: The router and internet service are probably functioning. Continue with the device-side checks below.
  • No device works: Skip ahead to the router, modem, and provider checks.
  • Devices work only near the router: Treat this as a coverage or interference problem rather than an outage.

This one-device-versus-all-devices comparison is the most useful early test because it identifies which side of the connection deserves attention.

2. Check Wi-Fi, Airplane Mode, and the correct network

On the affected device, confirm that Wi-Fi is turned on and Airplane Mode is off. Turn Wi-Fi off, wait about 10 seconds, then turn it on again. If the device has a physical wireless switch or function-key shortcut, confirm that it is enabled.

Read the network name carefully before joining. A neighbor’s network, an old guest network, or a similarly named extender can appear beside your own. If the network requires a password, enter the current password—not the router’s administrator password unless they happen to be the same.

What the result means: If the Wi-Fi control remains missing or cannot be enabled, the problem is likely on that device. Restart the device and use its built-in network troubleshooter or the manufacturer’s support instructions before changing the router.

3. Move close to the router for one test

Move the affected device into the same room as the router or gateway, without placing it directly on top of the equipment. Try to join again.

  • It works nearby: The likely problem is signal coverage or interference. Large distances, floors, masonry, metal, mirrors, appliances, and crowded wireless channels can weaken a signal.
  • It still fails nearby, but other devices work: Focus on the affected device or its compatibility with the network.
  • Nothing works nearby: Continue with the gateway, modem, and provider checks.

For placement fundamentals and network setup considerations, see How to Set Up Wi-Fi.

4. Look at the router or gateway without changing anything

Observe the front-panel lights and compare them with the labels or the device’s manual. The exact colors and blink patterns vary by provider and model, so do not assume that a red, amber, or blinking light has the same meaning on every device.

Look for these broad clues:

  • No lights: Check the power outlet, power adapter connection, and any power switch.
  • A power light but no online or internet indication: The modem or gateway may not be reaching the provider.
  • An online indication but no Wi-Fi indication: Wireless broadcasting may be disabled or the router may have a problem.
  • Normal-looking lights: The issue may still involve the provider, DNS, one device, or a service-specific problem; the lights are only one clue.

If the unit or power adapter is unusually hot, smells burnt, is wet, is damaged, or makes an unfamiliar electrical noise, unplug it only if you can do so safely and contact the provider or manufacturer. Do not continue testing damaged equipment.

5. Check for a provider outage or account interruption

Using cellular data or another connection, check your provider’s official app, account page, or outage-status tool. Providers such as Xfinity, Spectrum, AT&T, Verizon, and regional ISPs may report local maintenance or offer a gateway test. Also check for an unpaid balance, suspended service, or a recent equipment activation problem.

A third-party outage map can provide a clue, but the provider’s own status information and support team are better sources for your address. If an outage is confirmed, repeated router resets will not restore service; wait for the provider’s repair estimate.

6. Inspect power and network cables

Without opening any equipment, make sure each accessible cable is fully seated at both ends. Check the power cord, coaxial cable, telephone/DSL line, fiber terminal connection that the provider permits you to touch, and Ethernet cable between a separate modem and router.

Do not sharply bend a fiber cable, unscrew provider-sealed parts, or handle damaged electrical connections. If a plug is loose, reseat it gently. If a cable is visibly crushed, cut, or has a broken connector, replace it with the correct type or ask the provider to do so.



7. Restart the modem and router in the correct order

If there is no confirmed outage and it is safe to disconnect all users, restart the network equipment. First photograph the cable positions if you are not certain how everything connects.

  1. Unplug power from the router. If you have a separate modem, unplug its power too. For a single gateway, unplug only that unit.
  2. Wait at least 30 seconds.
  3. For separate equipment, reconnect the modem first. Wait until its normal online status returns; this can take several minutes.
  4. Reconnect the router and allow several more minutes for Wi-Fi to return.
  5. Test one device, then a second device.

Do not press the recessed Reset button. A factory reset can erase the Wi-Fi name, password, provider settings, port forwarding, parental controls, and smart-home connections. Use it only when the provider or manufacturer confirms it is appropriate and you have the information needed to rebuild the network.

Need help narrowing down the failure?

If you have tested a second device and checked the gateway lights but still cannot tell whether the problem is the device, Wi-Fi, router, or provider, use Gadget Wiz Wi-Fi and internet help. Have your provider name, equipment model, light colors, and the results of the one-device-versus-all-devices test ready.

8. Use a wired Ethernet test when the equipment allows it

If a computer and the router or gateway both have Ethernet ports, a temporary wired connection can separate a Wi-Fi problem from a broader internet problem.

  1. Connect the computer directly to a LAN port on the router or gateway.
  2. Turn off Wi-Fi on that computer so the result comes only from Ethernet.
  3. Open a new webpage and test more than one website.
  • Ethernet works but Wi-Fi does not: The internet service is reaching the router; focus on wireless settings, coverage, interference, or the router’s Wi-Fi function.
  • Ethernet also fails: The problem is more likely the modem or gateway, provider service, router’s internet connection, or account.

Affiliate disclosure: This article contains paid affiliate links. If you purchase through one of these links, All About Home Electronics may earn a commission at no additional cost to you.

If you do not already have a suitable cable for this optional comparison test, you can view a Cat6 Ethernet patch cable on Amazon (paid link). Check the required length and confirm that both devices have Ethernet ports before purchasing. A cable is not necessary when your equipment lacks compatible ports or your provider instructs you not to make a direct connection.

9. Troubleshoot one affected device

If other devices use the same Wi-Fi normally, leave the router settings alone and work on the failing device:

  1. Restart the device.
  2. Install operating-system updates from the device maker when a safe connection is available.
  3. Run the device’s built-in network troubleshooter or diagnostic.
  4. Temporarily disconnect a VPN only if you know how to restore it and it is not required by an employer, school, or security policy.
  5. If the network is saved incorrectly, forget it and reconnect—but only after confirming the correct Wi-Fi password.
  6. Test the device on another trusted Wi-Fi network. If it fails there too, the device, adapter, software, or configuration is the likely cause.

Avoid disabling antivirus, firewall, or router security as a general experiment. If a security product appears involved, follow its publisher’s official support instructions or ask a qualified technician to review the configuration.

10. If the network name is missing

When your Wi-Fi network does not appear at all, confirm whether it is missing from one device or every nearby device.

  • Missing on one device: Restart that device, verify its Wi-Fi adapter is enabled, and compare the device’s supported Wi-Fi bands with the router’s settings.
  • Missing on every device: Check whether the router’s Wi-Fi light is on and whether the provider app reports the gateway online. A router can have internet service while its wireless broadcast is disabled or malfunctioning.
  • Visible only close to the router: Coverage, antenna placement, interference, or failing wireless hardware may be involved.

Do not change wireless bands, channels, or security modes without documenting the current settings first. An incorrect change can disconnect devices that were still working.

11. If the network appears but rejects the password

Verify the exact network name and password. Passwords are case-sensitive, and characters such as the number 0 and uppercase O can look alike. If another household device is connected, do not assume its displayed or remembered password is current unless the operating system explicitly reveals it.

If every device suddenly rejects a previously working password, someone may have changed the Wi-Fi settings, the router may have returned to a default configuration, or you may be selecting a different network. Check the label, provider app, and account before resetting anything.

12. Decide who should handle the next step

Test result Most likely area Best next step
Only one device fails on multiple Wi-Fi networks That device Use the manufacturer diagnostic or device support
One device fails only on your home network Saved settings or compatibility Verify password, band support, updates, and saved-network settings
Every device fails and an outage is reported Internet provider Wait for restoration or contact the provider
Ethernet works but Wi-Fi fails Router wireless function or coverage Review wireless settings, placement, and router support
Ethernet and Wi-Fi both fail Gateway, modem, provider, or account Run the provider’s official test and contact support
Equipment is hot, damaged, wet, or smells burnt Hardware safety issue Stop and contact the provider or manufacturer



Frequently asked questions

Why is Wi-Fi not working on my phone but working on other devices?

The phone may have Airplane Mode enabled, saved incorrect network information, need a restart or update, or have a device-specific software or hardware problem. Test the phone on another trusted Wi-Fi network before changing the home router.

Why did my Wi-Fi network disappear?

The router may have lost power, stopped broadcasting, restarted with a different network name, or moved to a band the device cannot see. Distance and a disabled wireless adapter can also make the network appear missing.

Should I factory-reset my router when Wi-Fi stops working?

Usually not as a first response. A factory reset can erase settings and disconnect every configured device. Start with observation, a second-device test, provider status, cable checks, and a normal power restart.

Can Wi-Fi be working when the internet is down?

Yes. Wi-Fi is the local wireless connection between your device and the router; internet service is the router’s connection beyond your home. A device can remain connected to Wi-Fi even when the provider connection is unavailable.

When should I replace the router?

Do not replace it based on one failed connection. Consider provider or manufacturer testing when the router repeatedly loses power, fails to broadcast after a normal restart, overheats, has damaged ports, or cannot support required devices and security. Provider-owned equipment should normally be handled through the provider.

Still unable to identify the cause?

Use Gadget Wiz for guided Wi-Fi and internet troubleshooting. Record which devices fail, whether Ethernet works, your provider, the gateway or router model, its light pattern, and whether an outage is reported. Those details make the next diagnosis faster and more specific.

Guidance consulted