Laptop "Ethernet Port" Not Working
4.5
You plug in a network cable, but the laptop stays on WiFi or says "Cable Unplugged".
Symptoms
- No wired internet
- No lights on port
- Cable not detected
Possible Causes
- Bent pins in port
- Disabled in BIOS
- Driver missing
Step-by-Step Fix
1
Check for Bent Pins
Look inside the port with a flashlight. If the 8 gold pins are tangled, it won't work.
2
Update LAN Driver
Download the Realtek or Intel Ethernet driver from the manufacturer.
3
Try a Different Cable
Rule out a broken RJ45 connector.
When to See a Technician
Ethernet ports are very sturdy, but the tiny pins inside can be easily bent if a cable is forced in upside down.
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