Introduction
Seeing the “Network cable unplugged” message on your screen can be frustrating, especially when you need to connect to the internet quickly. This common error typically means your computer isn’t detecting a wired Ethernet connection. But don’t worry—this issue doesn’t always mean your cable is faulty. It can result from several minor issues that can be easily fixed at home. In this guide, we’ll show you exactly how to fix network cable unplugged error on your Windows PC or laptop using simple, effective steps.
Understanding the “Network Cable Unplugged” Error
Before diving into the solutions, it’s important to understand what causes this issue. The “Network cable unplugged” message appears when your operating system cannot detect a physical connection between your computer’s network adapter and the router or modem. Essentially, your Ethernet adapter thinks there’s no cable attached.
This problem can stem from several reasons—faulty Ethernet cables, incorrect network settings, outdated drivers, or even software conflicts. By identifying the root cause, you can apply the right fix without wasting time guessing.
Common Causes of the Network Cable Unplugged Error
Faulty or Loose Ethernet Cable
The most obvious cause is a damaged or loosely connected Ethernet cable. If the connection between your PC and the router isn’t secure, your system won’t detect the cable properly.
Disabled Network Adapter
Sometimes, your Ethernet adapter might be accidentally disabled in Windows. This prevents your system from recognizing the connection even if the cable is fine.
Outdated or Corrupted Drivers
Network drivers act as a bridge between your computer’s hardware and operating system. If these drivers are outdated or corrupted, you might see a network cable unplugged message.
Incorrect Network Configuration
Misconfigured IP settings or conflicting network protocols can trigger this error, especially after system updates or new software installations.
Hardware Malfunction
In rare cases, your network adapter or router port might be damaged. If all software solutions fail, hardware might be the culprit.
How to Fix Network Cable Unplugged Error
Let’s explore the best ways to fix this problem and restore your wired internet connection.
Check Physical Connections
The first step is always the simplest. Make sure your Ethernet cable is properly plugged into both your computer and the router. If the connector feels loose, unplug it and reinsert it firmly until it clicks. You can also try using a different Ethernet port on your router.
If possible, test the same cable on another computer or device. If it doesn’t work there either, you’ve likely found your problem—the cable needs replacement.
Restart Your Router and Computer
Temporary connection glitches can often trigger the error. Restarting both your router and computer can refresh the connection and clear minor issues. Unplug the router’s power cord, wait 30 seconds, and plug it back in. Then restart your computer and check if the issue is resolved.
Enable the Network Adapter
To check if your adapter is enabled, go to:
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Press Windows + R to open the Run dialog.
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Type ncpa.cpl and hit Enter.
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Locate your Ethernet adapter (usually labeled “Local Area Connection”).
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If it’s grayed out, right-click it and choose Enable.
Once enabled, Windows will attempt to reconnect automatically.
Update or Reinstall the Network Driver
Outdated or corrupted drivers can be a major cause of connection issues. Follow these steps:
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Right-click the Start menu and select Device Manager.
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Expand the Network adapters section.
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Right-click your Ethernet adapter and select Update driver.
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Choose Search automatically for drivers to let Windows find updates online.
If no update is found, try uninstalling the driver and restarting your PC. Windows will reinstall it automatically. You can also download the latest version directly from your motherboard or laptop manufacturer’s website.
Change the Duplex Settings
Sometimes, mismatched duplex settings between your computer and router cause network instability. You can manually configure it:
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Press Windows + R and type ncpa.cpl, then press Enter.
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Right-click your Ethernet connection and select Properties.
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Click Configure, go to the Advanced tab, and find Speed & Duplex.
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Set it to 100 Mbps Full Duplex or Auto Negotiation.
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Click OK and restart your system.
Reset the Network Configuration
If incorrect network settings are causing the error, a reset can help. Run these commands in Command Prompt (as Administrator):
After entering these, restart your PC. This will refresh all your network settings and often resolves persistent cable unplugged errors.
Check Power Management Settings
Sometimes, Windows automatically turns off your network adapter to save power. To disable this feature:
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Go to Device Manager > Network adapters.
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Right-click your Ethernet adapter and select Properties.
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Under the Power Management tab, uncheck Allow the computer to turn off this device to save power.
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Click OK to save changes.
Disable Virtual Network Adapters
If you have virtual adapters installed (from VPNs or virtualization software), they may interfere with your real network connection.
To fix this:
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Open Device Manager > Network adapters.
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Look for any virtual network adapters (like VirtualBox Host-Only Network).
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Right-click and select Disable device for each virtual adapter.
Then restart your computer and check if your main Ethernet adapter connects properly.
Try a Different Network Adapter or USB Ethernet Dongle
If all else fails, your built-in network adapter might be faulty. You can use a USB Ethernet dongle or an external network card to test if the problem disappears. If it works, you’ll know your internal adapter needs repair or replacement.
Advanced Troubleshooting Steps
Run Windows Network Troubleshooter
Windows includes a built-in network troubleshooter that can automatically diagnose and fix many issues. To use it:
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Go to Settings > Network & Internet > Status.
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Click Network Troubleshooter and follow the on-screen prompts.
Check for Firmware Updates on Your Router
Sometimes, outdated router firmware can cause connection drops. Visit your router manufacturer’s website, download the latest firmware, and install it following their instructions.
Scan for Malware
Malicious software can interfere with your network drivers and configurations. Run a full system scan using Windows Defender or a trusted antivirus tool to ensure your system is clean.
When to Contact Your Internet Service Provider
If none of these solutions work, your issue may lie outside your computer. A damaged Ethernet port on the router or a service outage can also cause this error. In that case, contact your ISP for professional support. If you’re using Dhanote Internet Services, you can reach out to their support team—they’re known for their fast and reliable troubleshooting assistance.
Preventing the “Network Cable Unplugged” Error in the Future
Once you’ve fixed the issue, it’s a good idea to take a few steps to prevent it from happening again:
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Keep your Ethernet cables organized and avoid bending them sharply.
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Update your network drivers regularly.
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Use a surge protector to prevent electrical damage to ports.
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Periodically clean dust and debris from network ports.
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Avoid using overly long or cheap-quality Ethernet cables.
These small precautions can keep your connection stable and prevent future disruptions.
Dealing with a “network cable unplugged” error can be annoying, but as you’ve seen, it’s usually easy to fix. By checking cables, updating drivers, and resetting your network settings, you can quickly restore your connection without needing professional help. Always start with simple checks before moving to advanced solutions.
If you’re facing frequent connectivity issues despite troubleshooting, consider switching to a reliable ISP like Dhanote Internet Services. Their high-speed, stable connections and responsive support can save you from recurring network frustrations.
FAQs
Why does my computer say network cable unplugged when it’s plugged in?
This can happen if your Ethernet cable is damaged, your adapter is disabled, or your network settings are incorrect. Check the cable, restart your router, and update drivers.
Can a bad Ethernet cable cause the unplugged message?
Yes. A damaged or poor-quality Ethernet cable can prevent a proper connection, causing the system to display the unplugged error.
How do I reset my Ethernet connction on Windows?
You can reset it by running commands like netsh winsock reset and netsh int ip reset in Command Prompt, then restarting your PC.
Does this issue affect Wi-Fi too?
No. The “network cable unplugged” error only applies to wired (Ethernet) connections. Wi-Fi works independently.
What if my Ethernet port is damaged?
If the port is broken, try using another Ethernet port on your router or use a USB-to-Ethernet adapter as a temporary fix.
