If you come across a tripped breaker in the panel, reset it.
Turn on the breaker and try the problem fixture again after unplugging all the appliances and turning off all the lights on the circuit.
Electromagnetic interference should be avoided.
Make sure your connections are secure.
Examine the line's layout.
Check for pinching or breaks in the cable.
The cable will operate perfectly as long as the two pairs used are correct. The remaining two connections are used to provide power to the receiving device in PoE (Power over Ethernet). That's two power wires and two power return wires. You're still okay to go if the wires are faulty but the power and return wires are not crossed.
Test your Wi-Fi on different devices.
Restart your modem and router.
Try a different Ethernet cable.
See who's using your Wi-Fi.
Upgrade your equipment.
Call your internet service provider.
Reset your router to default settings.
Recommended Courses
Cyber Forensics Masterclass with Hands on learning