Windows 11 Internet Keeps Disconnecting – Easy Fix (2026 Guide)

If your internet connection keeps disconnecting frequently on Windows 11, you are not alone. Many users report random WiFi or Ethernet drops even when the signal looks strong.

Problem: Internet connection disconnects randomly on Windows 11.

Good news: This is a common Windows 11 network issue and can be fixed in most cases.

For a complete solution to all Windows 11 internet issues, read this Windows 11 Internet Problems – Complete Fix Guide .

Why Does Internet Keep Disconnecting on Windows 11?

This issue usually occurs due to incorrect network settings, power management, DNS problems, or Windows update conflicts.

• Network adapter power-saving enabled
• Unstable DNS servers
• Outdated network drivers
• Router or modem cache issues

If you cannot even see the WiFi option in Windows 11, check this guide: WiFi Option Missing in Windows 11 – Fix .

Fix 1: Disable Power Saving for Network Adapter

Windows may turn off your network adapter to save power, causing frequent disconnections.

1. Open Device Manager
2. Expand Network adapters
3. Right-click your active adapter → Properties
4. Go to the Power Management tab
5. Uncheck “Allow the computer to turn off this device to save power”

Fix 2: Change DNS Server (Recommended)

If DNS-related problems continue or come back frequently, follow this complete troubleshooting guide on DNS Server Not Responding on Windows 11 for deeper fixes.

Unstable DNS servers are a major cause of internet disconnections on Windows 11.

1. Go to Settings → Network & Internet
2. Select WiFi or Ethernet
3. Click Edit next to DNS server assignment
4. Select Manual and enable IPv4

Preferred DNS: 8.8.8.8
Alternate DNS: 8.8.4.4

Save the settings and restart your PC.

Fix 3: Flush DNS Cache

Clearing DNS cache often fixes random connection drops.

ipconfig /flushdns
ipconfig /release
ipconfig /renew

Fix 4: Update Network Driver

Outdated drivers can cause unstable internet connections.

1. Right-click Start → Device Manager
2. Open Network adapters
3. Right-click your adapter → Update driver

Fix 5: Restart Router and Modem

If your connection does not fully disconnect but feels unstable or slow, check this guide on Windows 11 Speed Test Fast But Internet Slow for performance-related issues.

Turn off your router and modem for 5 minutes, then turn them back on. This clears temporary network cache issues.

Related Windows 11 Internet Fixes

If you are also facing DNS or WiFi-related issues, these guides may help:

• DNS Server Not Responding on Windows 11
• WiFi Connected But No Internet on Windows 11

Conclusion

If your internet keeps disconnecting on Windows 11, the issue is usually related to power management, DNS configuration, or outdated drivers.

Following the steps above should stabilize your connection and prevent random drops.

Last Updated: 2026
Category: Windows 11 Internet Issues