Ethernet disconnects and never reconnects

Simon2221 · Dec 10, 2025

So 3 months ago my ethernet started randomly disconnecting, I thought it was something wrong with cable or router but after replacing both of them it didn't fix anything, so I really don't know what can be wrong I'm thinking Its motherboard because ethernet only reconnects when I unplug and plug cable back. So please If someone has any idea what can be wrong tell me.

dacrone · Dec 10, 2025

you sure its a physical connection issue? what if you disable your nic and enable it again while its plugged in (once the disconnection happens)

Simon2221 · Dec 10, 2025

I don't see any nic if u can tell me where to find it or my computer just doesnt have it

dacrone · Dec 10, 2025

Win+R to open run box

Code:

ncpa.cpl

right click on an adapter (NIC) to disable or enable it

Simon2221 · Dec 11, 2025

I did it after my ethernet went out and it connected back like same seconed but it's still cutting out

dacrone · Dec 11, 2025

you can reset all network settings...

command prompt as admin:

Code:

netsh int ip reset

Code:

netsh winsock reset

Code:

ipconfig /release

Code:

ipconfig /renew

Code:

ipconfig /flushdns

Code:

netsh advfirewall reset

retiredat44 · Dec 11, 2025

no computer specs listed, so cannot help you.. no brand for motherboard, and other info

dacrone · Dec 11, 2025

retiredat44 said:
no computer specs listed, so cannot help you.. no brand for motherboard, and other info

thank you for that very insightful, albeit useless, post. there are plenty of troubleshooting steps you can take in regard to a NIC without needing any computer specs.

retiredat44 · Dec 12, 2025

dacrone said:
dacrone said:

thank you for that very insightful, albeit useless, post. there are plenty of troubleshooting steps you can take in regard to a NIC without needing any computer specs.

Click to expand...

thank you for that very insightful, albeit useless, post. there are plenty of troubleshooting steps you can take in regard to a NIC without needing any computer specs.

ignore list... good luck

Ethernet disconnects and never reconnects

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