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If restarting your router did not restore internet access, first check what Windows sees, then run targeted tests. For a persistent Wi-Fi problem, Microsoft Support’s manual reset sequence is netsh winsock reset, netsh int ip reset, ipconfig /release, ipconfig /renew, and ipconfig /flushdns, in that order, from an administrator Command Prompt. Test the connection after the sequence. These commands address Windows networking components; they cannot fix every router, Wi-Fi, ISP, website, or policy problem.
Inspect your Windows network configuration first
Open Command Prompt and run:
ipconfig /allFind the adapter you are actually using—such as Wi-Fi or Ethernet—and note its IPv4 or IPv6 address, subnet mask, default gateway, and DNS servers. These entries should make sense for the network you joined. Microsoft’s DNS-client troubleshooting guidance recommends checking the IP address, gateway, DNS server addresses, and connection-specific DNS suffix; that guidance is scoped to Windows Server, so treat it as technical diagnostic advice rather than a consumer-specific checklist.
If you do not know what values your network should use, do not replace them with guesses. On a managed work or school device, ask the administrator before changing network settings.
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| Command | What it checks or changes | What the result can tell you |
|---|---|---|
ping <default-gateway-IP> |
Tests whether the PC receives a response from its local gateway. | A response shows that the gateway replied to ICMP; no response alone does not prove the network is disconnected, because a firewall or device may block ping. |
ping <DNS-server-IP> |
Tests whether the configured DNS server responds to ICMP. | No response may indicate filtering rather than a failed DNS service. Microsoft notes that ICMP must be permitted for this test to work. |
nslookup <hostname> |
Requests a DNS lookup for a hostname. | If an IP-level test works but a hostname lookup fails, investigate name resolution rather than assuming the entire network stack needs resetting. |
tracert <hostname-or-IP> |
Shows responding router interfaces along the route, using ICMP and incrementally increasing TTL values. | An asterisk means a hop did not return the expected response; some routers do not send TTL-expired messages. One timed-out hop is not proof that the end-to-end connection is broken. |
pathping <hostname-or-IP> |
Gathers latency and packet-loss information for routers and links along a route. | Use it when you need more route and loss information than a basic trace provides. |
For a DNS comparison, try a hostname that fails and, where appropriate, a known public name. Interpret results in context: ICMP filtering can make ping or route tracing appear to fail even when other traffic works. Microsoft documents tracert and pathping behavior and use.
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Run Microsoft’s manual reset sequence for a persistent Wi-Fi problem
Microsoft Support recommends this ordered procedure for Wi-Fi connection troubleshooting. Open Command Prompt as an administrator, then run each command in sequence:
netsh winsock resetnetsh int ip resetipconfig /releaseipconfig /renewipconfig /flushdns
After the commands finish, test the connection. Microsoft’s consumer-facing procedure is documented on its Wi-Fi connection troubleshooting page.
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What the reset commands change
netsh winsock resetresets the Winsock catalog to a clean state and removes custom Layered Service Providers. This can address catalog problems, but it may affect software that added a provider.netsh int ip resetresets TCP/IP configuration.ipconfig /releasedrops the current DHCP configuration, andipconfig /renewrequests a DHCP configuration again. Microsoft describesipconfigas most useful on computers set to obtain an IP address automatically. These are not fixes for manually assigned static settings; correct an invalid static IP, gateway, or DNS value in the adapter’s TCP/IP properties instead.ipconfig /flushdnsclears the local DNS resolver cache. It can help when stale or negative cached results are involved, but it will not repair an unreachable router, failed Wi-Fi radio, ISP outage, or every DNS-server problem.
Microsoft’s ipconfig reference describes the command and its switches. The Winsock reset’s scope is covered in Microsoft’s Winsock catalog reset guidance.
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Record settings first on managed or specially configured devices
Before resetting a server or a machine with carefully configured interfaces, record its network settings and confirm that you can restore them. Microsoft’s Windows Server TCP/IP guidance gives this example for saving and restoring interface configuration:
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netsh -c interface dump > C:netConfig.txtAfter a reset and restart, the documented restore example is:
netsh -f C:netConfig.txtThis is advanced Windows Server guidance, not a required step for every home user. Restoration depends on the interface names still matching; if they have changed, the script may need updating. See Microsoft’s TCP/IP reset and backup/restore guidance.
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If the commands do not restore access
Check whether the issue is limited to one device or service
- If other devices also cannot get online, investigate the router, connection, or ISP rather than repeatedly resetting Windows.
- If Windows says Wi-Fi is connected but only one app or site fails, check that app or service and any firewall or network policy that could affect it.
- If the failure began after a network-adapter driver update, the driver may be relevant; a stack reset cannot guarantee a driver or hardware fix.
Consider the network adapter driver only after simpler checks
Microsoft Support suggests uninstalling the network adapter driver and restarting if earlier Wi-Fi troubleshooting steps do not work. Obtain or keep a backup driver first, particularly if the PC might be offline afterward. Windows will try to reinstall a driver on restart. Follow Microsoft’s Wi-Fi troubleshooting instructions, and do not remove a work-managed adapter driver without your administrator’s approval.
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