No network connectivity

4 steps · Windows · 4 commands

Check external reachability first

ping <target>

SafeBasic reachability test

How to tellUse 8.8.8.8 to rule out DNS

ping details →

Confirm IP/DNS are assigned

ipconfig /all

SafeShow/refresh IP configuration

How to tell169.254.x means DHCP failed

ipconfig details →

Verify name resolution

nslookup <name>

SafeCheck DNS resolution

How to tellIf IP works but names don't, it's DNS

nslookup details →

Trace where it breaks

tracert <target>

SafeTrace route hop by hop

How to tellLocalize to LAN/ISP/remote

tracert details →

Commands used here

pingBasic reachability test
ipconfigShow/refresh IP configuration
nslookupCheck DNS resolution
tracertTrace route hop by hop

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