Internet router unable to detect WAN connection
4.5
The router does not recognize that a cable is plugged into its WAN port.
Symptoms
- WAN port light is off
- Router says "Cable Unplugged"
- No internet
Possible Causes
- Bad ethernet cable
- Faulty WAN port
- Modem port disabled
Step-by-Step Fix
1
Swap Ethernet Cable
Try a known good Cat5e or Cat6 cable.
2
Check Modem Port
Plug the cable into a different port on the modem if available.
3
Inspect WAN Port
Look for bent pins or debris inside the router port.
When to See a Technician
If the port is physically damaged, you may be able to reconfigure a LAN port as a WAN port in some routers.
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