Ethernet Adapter Not Working - First time using it

[MissKitty424]

I have an HP desktop that I've always used wirelessly without issue.  Now my job needs me to use an ethernet connection, but it says there is no ethernet cable connected.  I thought it may be a bad cable, but the second brand new cable isn't recognized, either.  They both work on another identical model that my husband uses.  I've tried resetting the modem/router, resetting the ethernet port, got a USB to Ethernet adapter.  Nothing is working.

[Kuroi_Kenshi]

Hi @MissKitty424,

Welcome to the HP Support Community! 

Thanks for reaching out about your query regarding your PC!

We're thrilled to have the opportunity to assist you and provide a solution.

Try these steps:

1. Check Ethernet Port and Cable

• Verify the Ethernet port on your desktop for any physical damage or dust.
• Ensure that the Ethernet cable is securely connected to both the desktop and the router or modem.
• Since the cables work on another identical model, it’s less likely the issue is with the cable.

2. Reset Network Settings

• Open Settings from the Start menu.
• Navigate to Network & Internet > Status.
• Scroll down and click on Network reset.
• Follow the instructions to reset network settings and restart your PC.

3. Verify Network Adapter in Device Manager

• Press Windows + X and choose Device Manager.
• Expand Network adapters.
• Look for your Ethernet adapter (usually named something like "Realtek PCIe GBE Family Controller").
• If there is a yellow exclamation mark or red cross on the adapter, right-click on it and select Update driver or Enable device.
• If updating the driver doesn’t work, you can right-click and select Uninstall device, then restart your computer to let Windows re-detect and reinstall the driver.

4. Change Ethernet Adapter Settings

• In Device Manager, right-click the Ethernet adapter and select Properties.
• Go to the Power Management tab and uncheck "Allow the computer to turn off this device to save power".
• Go to the Advanced tab and ensure that settings such as Speed & Duplex are set to Auto Negotiation.

5. Update or Roll Back Ethernet Driver

• Go to the HP Support website and search for your model to download the latest Ethernet driver.
• If the issue started after a recent update, try rolling back the driver.
  • In Device Manager, right-click the Ethernet adapter, select Properties > Driver tab, and click Roll Back Driver if available.

I hope this helps.

I'm glad I could help! 😊 If this resolved your issue, please mark it as "Accepted Solution" and click "Yes" on "Was this reply helpful?" Your feedback not only keeps us going but also helps others find the solution faster! 👍✨

Take care and have an amazing day ahead! 🚀

Best regards,