General Internet Troubleshooting

What is required for “Internet” to work?

Physical Connection: Ethernet / Wi-Fi

Check: Fix
Modem Lights
Router Lights
Ethernet/Wireless Adapter Status
No Online:
-Fix RF
No DSL:
-Fix Sync
No Link/Network Cable unplugged:
-Check Ethernet cable
-Try different device/port
-Ethernet Drivers

IP Address

Check: Fix
Wireless/Ethernet Adapter/Router WAN Status
Ensure DHCP is ON
Renew IP
Disable Firewall
Admin DOS:
-netsh int ip reset log.txt
-netsh winsock reset catalog
replace ethernet cable
try different PC / router

Flow of Traffic

Check: Fix
Ping 127.0.0.1
Ping router IP
Ping modem IP
Ping ISP IP
Disable Firewall
Check/Disable unused adapters
Admin DOS:
-netsh int ip reset log.txt
-netsh winsock reset catalog

DNS Service

Check: Fix
Ping website by name Disable Firewall
use nslookup to try different DNS server
correct DNS settings in TCP/IP configuration

Web Browser/Service

Check: Fix
Browse by name
Browse by IP
Browse to Router/Modem
Disable firewall
Disable Proxy
Disable Tunnel/VPN serviceAdmin DOS:
-netsh int ip reset log.txt
-netsh winsock reset catalog

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