Ethernet port not detecting cable
4.5
Plugging in a LAN cable results in "Network Cable Unplugged" error.
Symptoms
- No lights on port
- No internet
- Generic error
Possible Causes
- Faulty cable
- Bent pins in port
- Disabled NIC in BIOS
Step-by-Step Fix
1
Try Different Cable
Test with a known working Cat5e or Cat6 cable.
2
Check Port Pins
Look inside the port for any bent or touching copper pins.
3
Enable in Device Manager
Ensure the Ethernet controller is not "Disabled".
When to See a Technician
Ethernet ports can be damaged by static electricity during lightning storms.
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