What to Do If Your Motherboard Doesn’t Detect the Ethernet Cable

The motherboard might not be detecting the Ethernet cable. In these cases, you might need to replace your motherboard in order to get it running again. If you don’t have the money for a new motherboard, you can try to do some of these tricks in order to fix the problem.

Causes of having an Ethernet cable not detected

The most common causes of an Ethernet cable not being detected on a motherboard are bad cables or the wrong port. If your motherboard is detecting the Ethernet cable, but it’s not turning on, this might be caused by a power supply issue. However, if you have tried everything and it still does not detect an Ethernet cable, you might need to replace your motherboard in order to get it running again.

Motherboard Doesn't Detect the Ethernet Cable

Things to try with your motherboard

Try plugging the Ethernet cable into a different port on your motherboard.

A lot of motherboards have multiple ports, so try connecting the Ethernet cable to any port other than the one where it’s plugged in now.

If you have a power supply with an Ethernet jack, try using that instead of the motherboard’s.

What to do if your motherboard is still not detecting the Ethernet cable

1) Unplug your Ethernet cable from the motherboard, wait a few moments, then plug it back in.

2) Hold down the power button for 8 seconds to turn off your PC and then on again.

3) Boot your computer into safe mode.

4) Try using a different Ethernet cable.

5) Check with the Ethernet port for any debris or debris that may have blocked it from detecting properly.

Conclusion

If your motherboard is not detecting the Ethernet cable, it could be caused by the following:

1. The Ethernet cable is loose

2. The Ethernet cable is too long

3. The Ethernet cable won’t fit into the motherboard

4. You have a BIOS issue with the motherboard

5. You have an issue with the power supply

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