Check this first
The short answer
If several sites fail on both the PC and a phone on the same Wi-Fi, inspect the router and provider. If only the PC fails, check its network, Windows diagnostics and IP configuration. If one site fails, compare browsers, devices and connection paths. Use actual page loads alongside the Windows status label.
- Try two independent normally working sites on the PC and record whether all or only one fails.
- Temporarily disable phone cellular data and compare the same SSID and URLs; restore it afterward.
- All devices: Step 2. Only the PC: Step 3. One website: Step 4.
Choose your next check
Start with the row that matches your situation. Change one setting at a time so you can tell what helped.
| What you see | What to compare | Go to |
|---|---|---|
| Multiple sites fail on the PC and phone using the same Wi-Fi | Exclude cellular fallback and check provider notices. | Step 2 |
| The phone works on that Wi-Fi but all sites fail on Windows | Inspect the PC’s SSID, diagnostics and IP assignment. | Step 3 |
| Other sites work but one URL fails | Compare another browser and a phone on the same Wi-Fi. | Step 4 |
| The site fails over home Wi-Fi but works over cellular | Compare the same URL and time with only the connection changed. | Step 4 |
| Only the PC is offline with an IPv4 address starting 169.254 | Read IPv4 and the default gateway for the Wi-Fi adapter. | Step 5 |
| Wi-Fi controls or the network list are absent | First establish that a Wi-Fi connection is possible. | Step 3 |
Check in this order
Continue this issue
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Step 1: Compare devices, websites and the actual connection
- On the PC, load two independent normally working sites and the affected URL. Record all-sites failure, one-site failure or pages working despite No internet. Note the exact error and time.
- Connect a phone to the same home SSID. Temporarily turn cellular data off and load the same URLs, checking that new content loads rather than relying on the icon. Restore cellular data after comparing.
- For multiple-device failure use Step 2, PC-only failure Step 3 and site-specific failure Step 4. If Windows has no Wi-Fi controls, use the missing-Wi-Fi guide first.
What the result means and what to do next
| Situation | What it tells you | Next action |
|---|---|---|
| Both devices fail on multiple sites over the same Wi-Fi | One PC’s settings cannot readily explain both failures. | Inspect router and service in Step 2. |
| The phone works but the PC fails | Prioritize the PC’s connection and settings. | Use Step 3. |
| Only one site fails | This is not necessarily an internet-wide outage. | Compare the URL and browser in Step 4. |
| Sites work despite Windows showing No internet | The status assessment differs from actual connectivity. | Check required apps too; do not reset the network for the label alone. |
- Expected result or what you learned
- You know which device, network and URLs are affected.
- If something is wrong or unclear
- A phone using cellular while the PC uses Wi-Fi cannot establish that the home connection works. Verify both the SSID and cellular state.
- How to undo changes
- Restore phone cellular data; this step changes no PC settings.
Step 2: For all-device failure, inspect the provider and router
- Use phone cellular data to read the contracted provider’s official outage notices. Record router/modem lights, errors and start time. Check the contract or bill if the provider is unknown.
- Only restart equipment you control and when other users can tolerate disconnection. Follow its manual first. For separate units, unplug router then modem, wait at least 30 seconds, restore the modem and wait for stable lights, then restore the router. For a combined unit, follow its single-device procedure. Do not press a factory-reset hole.
- Reconnect PC and phone to the original Wi-Fi and retry the same two sites. For an outage notice, abnormal lights or persistent all-device failure, give the provider or equipment administrator the light state and start time.
What the result means and what to do next
| Situation | What it tells you | Next action |
|---|---|---|
| The provider reports an outage | A service-side problem is documented. | Follow its recovery notice without changing PC networking. |
| Both devices load pages after restart | Connectivity has returned on both. | Retest; record lights and time if it recurs. |
| All devices fail and modem lights remain abnormal | PC-specific changes are unlikely to address that shared symptom. | Consult the equipment manual and contracted provider. |
- Expected result or what you learned
- You identify any provider outage and can compare both devices after restart.
- If something is wrong or unclear
- Do not operate shared, workplace or building-managed equipment. If one restart changes nothing, seek support instead of repeatedly power cycling it.
- How to undo changes
- A normal restart does not deliberately replace settings. Wait for startup lights to settle and reconnect disconnected devices.
Step 3: For PC-only failure, check the network and Windows diagnostics
- Open the taskbar network/sound/battery panel and Wi-Fi list. Confirm your intended home SSID says Connected, not an unfamiliar or guest network. Check Settings → Network & internet → Airplane mode is off.
- When active transfers can be interrupted, turn Wi-Fi off and on, then save work and restart normally. Retry both sites. Do not forget the network unless its password is available.
- If only the PC still fails, open Get Help, search for connect to network and internet and select Run network diagnostics. Record proposed changes and results. IP/DNS findings lead to Step 5; absent Wi-Fi controls belong in the dedicated missing-option guide.
What the result means and what to do next
| Situation | What it tells you | Next action |
|---|---|---|
| The PC used another SSID | The connection target differed. | Repeat the website comparison on the intended Wi-Fi. |
| Wi-Fi reconnect or restart restores pages | This PC’s connection has recovered. | Verify it still works after reconnecting to the intended SSID. |
| Diagnostics finish but all sites still fail | More specific IP, DNS or proxy evidence is needed. | Record the diagnostic message and continue to Step 5. |
- Expected result or what you learned
- The correct SSID loads multiple sites and the Windows status agrees with actual use.
- If something is wrong or unclear
- If Wi-Fi controls or networks are missing, investigate device detection first instead of treating it as an established connection.
- How to undo changes
- Reconnect to the previous intended SSID if changed. Record diagnostic changes before accepting them; consult the administrator for managed settings.
Step 4: For one website, compare the identical URL
- Copy the affected URL and open it in Edge and another browser, alongside a working site. Record name-resolution failure, timeout, sign-in rejection or certificate warning exactly; the wording alone does not prove DNS failure.
- Load the same URL on the phone over home Wi-Fi, then cellular. If only that site fails across devices and connections, verify its URL and official notices. If failure occurs only over home Wi-Fi, inspect router/provider conditions in Step 2.
- If only Edge fails on the same PC, open Settings and more (…) → Extensions → Manage extensions. Temporarily disable one recently added extension, reload the URL, and restore it if unchanged. Do not bypass certificate warnings or sign-in restrictions; follow the site operator’s guidance.
What the result means and what to do next
| Situation | What it tells you | Next action |
|---|---|---|
| Only Edge fails; another browser works on the same PC | An Edge-specific setting or extension is a candidate. | Compare extensions individually, then consult Edge support if needed. |
| Multiple devices fail over Wi-Fi but cellular works | Failure may be limited to that network path. | Inspect service/router status in Step 2. |
| Only that site fails across devices and connections | The site or URL is a candidate. | Verify the URL and official notices; contact its operator. |
| Only the PC reports name-resolution failure | Local name-resolution information warrants inspection. | Use the conditional DNS-cache comparison in Step 5. |
- Expected result or what you learned
- Changing one browser, device or network at a time narrows the failure’s scope.
- If something is wrong or unclear
- Certificate warnings and login refusal can be unrelated to Wi-Fi. Do not bypass warnings or guess a replacement DNS server.
- How to undo changes
- Restore the tested Edge extension and the phone’s original cellular state.
Step 5: Read IP and DNS results before using targeted commands
- Open Command Prompt and run ipconfig /all. Under the actual Wireless LAN adapter Wi-Fi, record IPv4, Default Gateway and DNS Servers. For static IPs or managed VPNs, stop before changes and ask the administrator. Share network details only privately with the necessary support contact.
- If all sites fail, IPv4 starts 169.254 and the gateway is blank, automatic address assignment may have failed. Only for a home connection using automatic assignment, save work, open Command Prompt as administrator and run ipconfig /release followed by ipconfig /renew. This interrupts networking. Run ipconfig afterward to compare address/gateway. A 169.254 value alone does not prove total failure when IPv6 still works.
- Only when an address/gateway exists but this PC has site-name resolution errors, run ipconfig /flushdns and reload the same URL. If DNS fields are empty, renewal fails or every app remains offline, record the output and use Step 6. Do not enter an arbitrary manual DNS address.
What the result means and what to do next
| Situation | What it tells you | Next action |
|---|---|---|
| A 169.254 address and blank gateway become a usable assignment | Automatic IPv4 assignment may have recovered. | Retest both sites on the same Wi-Fi. |
| 169.254 remains or renewal fails | Address assignment remains unresolved. | Ask about router DHCP and the PC’s connection state. |
| Flushing DNS allows the same URL to load | Cached name-resolution information may have contributed. | Check another site and record DNS settings if it recurs. |
| An address, gateway and DNS exist but all sites fail | Address assignment alone does not explain the failure. | Inspect proxy and VPN conditions in Step 6. |
- Expected result or what you learned
- A home DHCP connection obtains an address and gateway and can load the same sites.
- If something is wrong or unclear
- For failed renewal, static IP configuration or missing administrator permission, stop repeating commands and send the result to the administrator or equipment provider.
- How to undo changes
- Release/renew requests automatic assignment rather than saving a manual IP configuration. Flushdns does not replace DNS server settings. If disconnected, reconnect to the intended Wi-Fi in Step 3.
Step 6: Inspect personal proxy and VPN settings if only this PC still fails
- Open Settings → Network & internet → Proxy. Record Use setup script and Use a proxy server states and values. Temporarily disable only an unneeded proxy you configured yourself and retry both sites. Leave workplace/school settings to the administrator.
- For a personally installed VPN, record its state and briefly disconnect only if its usage requirements permit a direct connection. Compare the same sites. If unchanged, restore it; if only the VPN path fails, contact its provider. Do not disable security software wholesale.
- If all sites still fail only here, give Steps 1 and 5 plus diagnostic results to support. Network reset under Network & internet → Advanced network settings is a last resort that may require VPN/virtual-switch setup again. Do not proceed without the information and means to restore the connection.
What the result means and what to do next
| Situation | What it tells you | Next action |
|---|---|---|
| Sites load only with the personal proxy off | That proxy configuration may affect the connection. | Identify its source/provider and correct it if needed. |
| Sites load only with the VPN disconnected | The VPN path is a candidate. | Give its provider the time, state and affected URLs. |
| No improvement or settings are managed | Unapproved resets may worsen access. | Restore changes and consult support or the administrator. |
- Expected result or what you learned
- You can relate failure to a personal proxy/VPN path and choose the appropriate support contact.
- If something is wrong or unclear
- Do not remove required managed configurations. Network reset is not automatically reversible for every setup.
- How to undo changes
- Restore recorded proxy/script settings and save them; reconnect the VPN to its original state.
When to ask for help
Provide time, same-Wi-Fi phone results, cellular comparison, affected URLs and exact errors, SSID, whether IPv4/gateway/DNS exist, diagnostics and personal proxy/VPN comparisons. Keep detailed network values out of public posts.
FAQ
How can Wi-Fi be connected without internet?
The PC may reach its router without reaching the provider, name-resolution service or destination. Compare the same URLs on another device using that Wi-Fi before choosing PC or network checks.
Does a working phone prove home Wi-Fi is fine?
Only if it is actually using the same Wi-Fi without cellular fallback. Temporarily turn cellular data off, compare the URLs, then restore it.
What if sites work but Windows says No internet?
Compare several sites and the apps you need. A status-label mismatch alone is not a reason for factory-resetting a router or resetting all Windows networking.
What if only one website fails?
Compare the identical URL in another browser, on a phone using the same Wi-Fi and over cellular. For universal site-only failure verify its URL/notices; for browser-only failure use Step 4, and PC-only name-resolution failure Step 5.
Sources
English adaptation retaining the Japanese guide’s comparisons, steps, result tables and restoration conditions. Official guidance supports the Windows controls; diagnostic comparisons are editorial guidance, not proof of a particular hardware fault. Consult the administrator before changing a managed PC or network.
Microsoft: Wi-Fi connection issues and missing controlsMicrosoft: IP, DNS and automatic assignmentMicrosoft: proxy settingsMicrosoft: Get Help network diagnosticsMicrosoft: Edge page-loading troubleshootingMicrosoft: temporarily disabling an Edge extension