The Problem
Wi-Fi shows as connected and the password was accepted, but Windows labels the network "No Internet, secured" and nothing loads. Phones on the same router usually work fine, which points at the PC—DNS, the IP configuration, or a stuck network stack.
Symptoms
- A yellow warning triangle or globe over the Wi-Fi icon.
- Browsers reporting
DNS_PROBE_FINISHED_NO_INTERNETorERR_INTERNET_DISCONNECTED. - Local devices reachable (a network printer works) while the internet is not.
Step 1: Establish Where It Breaks
Three commands narrow this down in under a minute. Open Terminal:
ping 192.168.1.1
(Use your gateway address from ipconfig if it differs.) Fails → the problem is between the PC and the router: Wi-Fi, the adapter, or the IP configuration.
ping 1.1.1.1
Works while the previous one also worked, but websites do not load → the routing is fine and DNS is the fault. Go to Step 4.
ping google.com
Fails while ping 1.1.1.1 succeeds → confirmed DNS problem.
Step 2: Check the IP Address You Were Given
ipconfig /all
Read the IPv4 Address for the Wi-Fi adapter:
- 169.254.x.x — Windows self-assigned an address because DHCP never answered. The router did not give you a lease; restart the router and see Step 3.
- 0.0.0.0 or blank — the adapter is not connected properly.
- A normal address such as 192.168.1.x with a matching Default Gateway — the connection is fine and the fault is DNS or beyond the router.
Also check DNS Servers. If they are blank or point at something odd, Step 4 is your fix.
Step 3: Reset the Network Stack
The standard repair, and it resolves the majority of these cases. In Terminal (Admin), run each in turn:
netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /renew
ipconfig /flushdns
Restart the PC afterwards—netsh winsock reset does not take effect until you do.
Note this clears layered service providers installed by VPN clients and older security suites, which is often exactly the point.
Step 4: Set a Reliable DNS Server
- Press
Win + R, typencpa.cpl, press Enter. - Right-click your Wi-Fi adapter → Properties.
- Double-click Internet Protocol Version 4 (TCP/IPv4).
- Choose Use the following DNS server addresses:
- Cloudflare:
1.1.1.1/1.0.0.1 - Google:
8.8.8.8/8.8.4.4 - Quad9 with malware filtering:
9.9.9.9/149.112.112.112
- Cloudflare:
- Click OK twice, then run
ipconfig /flushdns.
Deeper walkthrough: how to change DNS servers and fix "DNS server not responding".
Step 5: Check IPv6 and Static Settings
- Back in the adapter's Properties, confirm Internet Protocol Version 6 (TCP/IPv6) is ticked. Some networks require it.
- In the IPv4 properties, confirm Obtain an IP address automatically is selected unless you deliberately set a static address. A leftover static IP from another network produces this exact error.
Step 6: Reinstall the Wi-Fi Driver
- Right-click Start → Device Manager → Network adapters.
- Right-click your Wi-Fi adapter → Uninstall device. Tick Attempt to remove the driver only if you have the replacement driver downloaded already.
- Action → Scan for hardware changes, or restart.
- Reconnect to Wi-Fi.
Then, in Properties → Power Management, untick Allow the computer to turn off this device to save power. That setting causes drop-outs that present as this error after sleep.
Step 7: Rule Out Software Interference
- VPN clients are the most common cause when this appears suddenly. Disconnect and, if that fixes it, reinstall the client—a half-removed VPN leaves broken routes behind.
- Third-party firewalls and security suites can block traffic after an update. Uninstall as a test rather than merely disabling.
- Check the proxy settings: Settings → Network & internet → Proxy → everything off unless your workplace requires it. Malware and adware set proxies here.
- Check the routing table for junk left by a VPN:
route print
Step 8: Use the Windows Reset (Last Resort)
Settings → Network & internet → Advanced network settings → Network reset. This removes and reinstalls every adapter and returns all networking settings to default. You will need to reconnect to Wi-Fi and reinstall VPN clients afterwards.
When It Is Not the PC
If every device on the network shows the same symptom, the router or the ISP is at fault:
- Restart the router—unplug for 30 seconds.
- Check whether the router's own status page reports a WAN connection.
- Check the ISP's outage page.
Related: fix Wi-Fi keeps disconnecting and fix "Can't connect to this network".
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