How To Fix an Ethernet Driver That Isn’t Working Properly

How to troubleshoot network driver issues and get your connection back

Network problems can really be the worst — especially when everything seems fine but your Wi-Fi or Ethernet just won’t connect. Sometimes it’s the driver acting up, other times it’s a hardware blip or a BIOS setting going rogue. Figuring out if it’s the driver is the first step, but honestly, it can be kinda confusing. This guide walks through the common fixes, from simple restarts to deep driver resets. Hopefully, one of these does the trick, and your network is back online without too much headache.

Fixing network driver issues in Windows

Make sure the driver isn’t just frozen — restart the network adapter

This is often a quick fix that works—reloading the driver to reset its state. On some laptops, re-enabling the device in Device Manager fixes it. To do that:

• Press Win + X and select Device Manager.
• Find your network adapter under Network Adapters. It might be called something like “Intel Ethernet” or “Realtek Wi-Fi.”
• Right-click it, then choose Disable device. Wait a few seconds, then right-click again and choose Enable device.

Sometimes, rebooting the network adapter refreshes the connection. On some setups, this has to be done twice or after a reboot for good measure. It’s kinda weird, but it works surprisingly often. Plus, if this doesn’t do anything, it’s a good baseline before digging deeper.

Check for driver errors and uninstall if needed

If the adapter shows error messages like “This device cannot start” (Code 10) or Windows reports it’s not working, that’s a sign the driver might be borked. To really reset it—uninstall and reinstall:

• Press Win + R, type devmgmt.msc, hit Enter.
• Expand Network Adapters, locate your device.
• Right-click and select Uninstall device. When prompted, check “Delete the driver software for this device” if that appears.
• After that, reboot your PC. Windows should try to reinstall a generic driver automatically, but it’s better to manually update it for stability.

While rebooting might fix some issues, it’s often smarter to head to the manufacturer’s site or use Device Manager to manually point Windows to the latest driver. For real, just go to the support page of your motherboard or network card, download the latest driver, and run the installer. Often, it’s as simple as that.

Fix network configuration hiccups with command-line magic

If reinstalling the driver didn’t help, the network configs might be messed up. Resetting everything can sometimes shake out stubborn issues:

• Right-click the Start button and select Windows Terminal (Admin) or Command Prompt (Admin).
• Run these commands one by one, pressing Enter after each:

netsh winsock reset netsh int ip reset ipconfig /release ipconfig /renew ipconfig /flushdns

This resets your network stack and clears cached DNS info. On some setups, you might need to reboot afterward, but it’s worth trying first. Sometimes these commands fix underlying network stack corruption that causes the driver to misbehave.

Check BIOS settings — is the network adapter just disabled?

This one trips up quite a few users, especially on custom builds or laptops with tight BIOS controls. If Windows can’t see your network device at all—no adapter in Device Manager, no network options—it might be disabled in the BIOS.

• Restart your PC and press Del or the BIOS-specific key (often F2, F10, or Esc) during startup.
• Navigate to sections like Integrated Peripherals or Onboard Devices.
• Look for your network adapter and make sure it’s enabled. If you toggle it on, don’t forget to save the changes before rebooting.

This is sneaky, but a lot of issues come down to BIOS-level disablement, especially with custom hardware or after BIOS updates that reset settings.

Test the hardware — is the network card dead?

If you’ve tried all the above, the adapter might just be dead. To check, see if it works on a different PC or try plugging in a USB Wi-Fi adapter. Swap the ports on your motherboard for Ethernet (sometimes a port just dies), or try another device in the same port. If it doesn’t work elsewhere, odds are the hardware itself is fried. Not much you can do except replace it.

On one setup it worked fine, on another…not so much. Hardware failures happen, and network cards are no exception. If you have a spare, plugging it in’s the quickest way to confirm (without wasting time on drivers).

Remember, Windows and hardware have a weird relationship. Sometimes all you get is “hardware not present, ” even when it should be. Kinda frustrating, but swapping hardware is sometimes the only option.

Hopefully, some of this helps save a couple hours of pulling hair out. Network issues can be a pain, but with patience, most are fixable.

Summary

• Restart or disable/enable the network adapter in Device Manager
• Uninstall and manually reinstall latest driver from manufacturer
• Use command-line commands to reset network configs
• Check BIOS to ensure network device is enabled
• Test the hardware on another machine or try different ports

Wrap-up

Getting stuck with network driver problems is annoying but usually fixable with some patience. Clearing out configs, updating drivers, and making sure BIOS settings are correct can do wonders. When all else fails, hardware might be dead, and that’s another story. This approach is kind of messy, but it covers the most common causes — and most importantly, gets you back online.