52 troubleshooting references
Windows fixes
Start with the exact symptom. Each reference moves from reversible checks to deeper diagnosis and tells you when to stop.
Showing 8 of 52 articles
Wi-Fi connected but no internet on Windows
Diagnose a wireless link that reaches the router but cannot reach online services.
Wi-Fi network not showing in Windows 11
Restore a missing network or identify a band, range, radio, or driver limitation.
Windows 11 cannot connect to a Wi-Fi network
Fix authentication failures when a visible wireless network will not join.
Wi-Fi disconnects repeatedly on Windows 11
Distinguish intermittent signal, power, driver, and router problems.
Ethernet connection not working on Windows
Diagnose wired networking from cable and link state through addressing.
Internet is slow only on one Windows PC
Find PC-specific causes of poor internet performance with controlled comparisons.
DNS server not responding in Windows 11 or 10
Separate a DNS lookup failure from a broken connection, one unavailable website, or a browser-specific problem before changing network settings.
Cannot access a network shared folder in Windows
Separate a missing share, name-resolution failure, blocked SMB connection, and account-permission problem without weakening network security.