Windows 11 WiFi Keeps Disconnecting? 7 Proven Fixes That Actually Work (2026)

Is your Windows 11 WiFi keeps disconnecting randomly? Try these 7 proven fixes — from driver updates to power settings — to stop the drops for good. (158 chars)

Quick Answer

Windows 11 WiFi disconnects most often due to outdated or corrupt network drivers, aggressive power-saving settings that turn off the adapter, or IP/DNS conflicts. To fix it fast: update your WiFi driver, disable “Allow the computer to turn off this device to save power” in Device Manager, and flush your DNS cache.

Table of Contents

1. Why Does Windows 11 WiFi Keep Disconnecting?
2. Fix 1: Update or Reinstall Your WiFi Driver
3. Fix 2: Disable Power Management for the Network Adapter
4. Fix 3: Change Your Network Adapter’s Power Plan
5. Fix 4: Flush DNS Cache and Reset TCP/IP Stack
6. Fix 5: Disable WiFi Sense and Auto-Connect Features
7. Fix 6: Change Your DNS Server
8. Fix 7: Modify the Roaming Aggressiveness Setting
9. Troubleshooting Table
10. Pro Tips
11. Common Mistakes to Avoid
12. Best Practices
13. FAQ
14. Conclusion

Introduction

Few things are more frustrating than a WiFi connection that drops every few minutes — especially when you are in the middle of a video call, uploading files, or gaming. If you are on Windows 11 and your WiFi keeps disconnecting, you are definitely not alone.

This is one of the most-reported issues since Windows 11 launched, and it has gotten worse for some users after major updates. The good news? In the vast majority of cases, the problem is fixable without any specialist knowledge or new hardware.

Windows 11 WiFi disconnections usually come down to one of a few root causes: network driver bugs, overly aggressive power-saving settings, IP address conflicts, or DNS resolution failures. Sometimes a Windows update itself introduces the bug.

This guide is for anyone — beginner or intermediate — who is experiencing random WiFi drops on Windows 11. Whether it happens every few minutes or only when the computer idles, you will find a solution here. We will walk through 7 proven fixes in order from simplest to most advanced, so you can stop the disconnections and get back to a stable connection.

Fix 1: Update or Reinstall Your WiFi Driver

Why This Happens

Your WiFi adapter relies on a driver — software that lets Windows communicate with the hardware. If that driver is outdated, corrupt, or incompatible with a recent Windows 11 update, your connection will drop unpredictably.

This is the single most common cause of random WiFi disconnections in Windows 11.

How to Fix It

Option A — Update via Device Manager:

1. Right-click the Start button and select Device Manager.
2. Expand Network Adapters.
3. Right-click your WiFi adapter (usually named something like “Intel Wi-Fi 6” or “Realtek Wireless LAN Adapter”).
4. Click Update driver → Search automatically for drivers.
5. Follow the prompts and restart your PC.

Option B — Download from the manufacturer’s website (recommended):

1. Identify your adapter brand. In Device Manager, right-click your adapter and choose Properties → Details → Hardware IDs to see the exact model.
2. Go to the manufacturer’s site (Intel, Realtek, Qualcomm, etc.) and download the latest driver for your specific model.
3. Run the installer and restart.

Option C — Reinstall the driver (use if updates don’t help):

1. In Device Manager, right-click the adapter and choose Uninstall device.
2. Check the box to “Delete the driver software for this device.”
3. Restart your PC. Windows will reinstall a fresh driver automatically, or you can install the one downloaded from the manufacturer.

Tip: Intel users can use the Intel Driver & Support Assistant tool to auto-detect and install the correct driver.

Fix 2: Disable Power Management for the Network Adapter

Why This Happens

Windows 11 has an aggressive power-saving feature that can turn off your WiFi adapter when it thinks you are not using it. This is meant to save battery life but frequently causes the connection to drop — even on desktop PCs plugged into the wall.

How to Fix It

1. Open Device Manager (right-click Start → Device Manager).
2. Expand Network Adapters and right-click your WiFi adapter.
3. Click Properties.
4. Go to the Power Management tab.
5. Uncheck the box that says “Allow the computer to turn off this device to save power.”
6. Click OK and restart your PC.

This single change fixes the issue for a huge number of users. It is always worth trying before anything else.

Fix 3: Change Your Network Adapter’s Power Plan

Why This Happens

Even if you disable power management in Device Manager, Windows 11’s overall power plan can still throttle your network adapter. If your PC is set to “Power Saver” or even “Balanced,” it may reduce the adapter’s performance during idle periods.

How to Fix It

1. Press Win + R, type powercfg.cpl, and press Enter.
2. Select High Performance or Ultimate Performance (if available).
   • If you do not see “Ultimate Performance,” open Command Prompt as administrator and run:

     powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61

• Then refresh the Power Options window.

3. Click Change plan settings → Change advanced power settings.
4. Expand Wireless Adapter Settings → Power Saving Mode.
5. Set it to Maximum Performance.
6. Click Apply → OK.

Fix 4: Flush DNS Cache and Reset TCP/IP Stack

Why This Happens

Sometimes Windows 11 WiFi connects fine but loses internet access because of a stale or corrupt DNS cache, or because the TCP/IP stack has gotten into a bad state. This causes the connection to appear to drop when actually only name resolution or routing is failing.

How to Fix It

1. Open Command Prompt as Administrator (search “cmd” → right-click → Run as administrator).
2. Run these commands one at a time, pressing Enter after each:

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

3. Restart your PC.

This resets your network stack to a clean state and forces Windows to get a fresh IP address and DNS cache.

Fix 5: Disable WiFi Sense and Auto-Connect Features

Why This Happens

Windows 11 includes a feature called WiFi Sense that can cause your PC to switch between saved networks automatically. If you have multiple networks saved — say, a neighbor’s open network or a public hotspot — Windows may switch to one with a stronger signal but no internet access.

How to Fix It

Disable Auto-Connect for specific networks:

1. Open Settings → Network & Internet → WiFi.
2. Click Manage known networks.
3. Click your primary network.
4. Toggle off Connect automatically when in range and re-enable only for your main network.

Remove old or unknown saved networks:

1. In Manage known networks, click Forget on any networks you no longer use.

Disable WiFi Sense (optional):

1. Go to Settings → Network & Internet → WiFi → WiFi preferences.
2. Turn off “Connect to suggested open hotspots” and “Connect to networks shared by my contacts.”

Fix 6: Change Your DNS Server

Why This Happens

Your ISP’s default DNS servers can be slow or unreliable, causing name resolution to fail and making it look like your WiFi dropped. Switching to a faster, more reliable public DNS server often eliminates these interruptions.

How to Fix It

1. Open Settings → Network & Internet → WiFi.
2. Click your connected network name.
3. Scroll down and click Edit next to DNS server assignment.
4. Switch from Automatic (DHCP) to Manual.
5. Toggle on IPv4 and enter:
   • Preferred DNS: 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare)
   • Alternate DNS: 8.8.4.4 (Google) or 1.0.0.1 (Cloudflare)
6. Click Save.

Cloudflare’s 1.1.1.1 is widely regarded as the fastest public DNS resolver and a solid first choice.

Fix 7: Modify the Roaming Aggressiveness Setting

Why This Happens

If you have multiple WiFi access points or repeaters in your home or office, your PC may constantly search for a “better” signal and disconnect from the current one while doing so. The Roaming Aggressiveness setting controls how eagerly your adapter roams between access points.

How to Fix It

1. Open Device Manager → Network Adapters.
2. Right-click your WiFi adapter → Properties.
3. Go to the Advanced tab.
4. Find Roaming Aggressiveness (or similar — it may be called “Roaming Tendency” on some adapters).
5. Change the value to Lowest or 1 (Lowest) to prevent the adapter from unnecessarily jumping between networks.
6. Click OK and test your connection.

Note: This option may not appear on all adapters. If you don’t see it, skip to the next fix.

Troubleshooting Table {#troubleshooting}

Problem	Possible Cause	Solution
WiFi drops every few minutes	Power management turning off adapter	Fix 2: Disable power management in Device Manager
WiFi drops when PC is idle	Power plan throttling adapter	Fix 3: Set Power Saving Mode to Maximum Performance
Connected to WiFi but no internet	DNS cache corruption or TCP/IP issue	Fix 4: Flush DNS and reset TCP/IP stack
PC randomly switches to a different network	WiFi Sense or auto-connect	Fix 5: Disable auto-connect for unwanted networks
Slow connection that drops intermittently	ISP DNS server unreliable	Fix 6: Switch to Google or Cloudflare DNS
WiFi drops in offices with multiple access points	High roaming aggressiveness	Fix 7: Set Roaming Aggressiveness to Lowest
Drops started after a Windows update	Corrupt or incompatible driver	Fix 1: Reinstall driver from manufacturer
WiFi drops on battery but not when plugged in	Battery power plan reducing adapter speed	Fix 3: Set High Performance plan

Pro Tips

1. Always check for Windows Updates first. Sometimes Microsoft pushes a patch that fixes a known driver incompatibility. Go to Settings → Windows Update and install all pending updates before troubleshooting manually.
2. Use a wired connection while troubleshooting. Plug in an Ethernet cable to maintain internet access while you reinstall drivers or reset network settings — otherwise you may lose access mid-fix.
3. Check your router, not just your PC. A firmware bug in your router can cause all devices to drop randomly, not just your Windows 11 machine. Log into your router admin panel and check for firmware updates.
4. Test on 2.4 GHz vs 5 GHz. The 5 GHz band is faster but has shorter range. If your adapter is on the edge of 5 GHz range, it may drop more frequently. Try connecting to the 2.4 GHz band to see if stability improves.
5. Check for interference. Microwaves, cordless phones, and baby monitors all operate on the 2.4 GHz band and can interfere with your WiFi signal. Try changing your router’s channel (channels 1, 6, or 11 are non-overlapping for 2.4 GHz).
6. Run the built-in network troubleshooter. Go to Settings → System → Troubleshoot → Other troubleshooters → Internet Connections. It is not always definitive, but it sometimes catches obvious issues instantly.
7. Check Event Viewer for clues. Press Win + X → Event Viewer → Windows Logs → System. Filter for errors around the time of a disconnection. Look for entries from “WLAN-AutoConfig” — these often reveal the exact reason for the drop.
8. Consider a USB WiFi adapter as a temporary test. If all else fails and you suspect faulty hardware, a cheap USB WiFi dongle lets you test whether the problem is your built-in adapter.
9. Roll back the driver if the problem started recently. In Device Manager → right-click adapter → Properties → Driver tab → Roll Back Driver. This restores the previous driver version, which can help if a recent update broke things.
10. Factory reset network settings as a last resort. Go to Settings → System → Recovery → Reset this PC is too drastic, but Settings → Network & Internet → Advanced network settings → Network reset will wipe all saved networks and adapters cleanly.

Common Mistakes to Avoid

• Restarting the router and assuming the problem is solved. A router restart gives temporary relief but does not fix driver or power management issues on the PC side.
• Only updating drivers through Windows Update. Windows Update often delivers older, generic drivers. Always go directly to the chip manufacturer (Intel, Realtek, Qualcomm) for the latest and most stable version.
• Skipping the power management fix on desktops. Many people assume this is only a laptop issue. Desktop PCs can also have power management enabled for their network adapters by default.
• Adding more DNS servers without removing the ISP defaults. If you add Google DNS but leave your ISP’s DNS in the list too, Windows may still use the slow one first. Remove or move the ISP DNS to the bottom.
• Ignoring router firmware. A router running old firmware can have bugs that cause random disconnections for all connected devices. Always check for router updates before deep-diving into PC settings.
• Disabling roaming aggressiveness in single-router setups. If you only have one router, roaming aggressiveness is irrelevant. Focus on power management and driver fixes instead.
• Running multiple WiFi troubleshooting tools simultaneously. Third-party network repair tools can conflict with each other or with Windows’ own settings. Stick to one approach at a time.

Best Practices

Follow these habits to prevent WiFi disconnections from coming back:

• Keep drivers updated regularly. Set a reminder to check your WiFi driver manufacturer’s site every few months, or use a trusted driver updater tool.
• Use a static IP address if you always use the same network. This eliminates IP conflicts entirely. Assign your PC a fixed IP in your router’s DHCP reservation settings.
• Reboot your router monthly. A periodic reboot clears its memory and maintains stability, especially for routers that run 24/7.
• Reduce WiFi congestion. Disconnect devices you are not using, especially those streaming in the background. Fewer connected devices means fewer conflicts.
• Use a mesh network if your home is large. Mesh systems handle roaming between nodes far more gracefully than a router-plus-repeater setup, which is a common source of mid-session drops.
• Keep Windows 11 updated. Microsoft regularly patches network-related bugs. Do not delay major updates indefinitely.
• Avoid using public WiFi for critical work. Public networks often have unstable infrastructure. Use a personal hotspot or VPN on public networks for more reliable and secure access.

FAQ

Conclusion

Random WiFi disconnections on Windows 11 are incredibly frustrating, but they are almost always fixable. The root cause almost always comes down to one of three things: a misbehaving driver, an over-eager power management setting, or a network configuration issue like DNS or IP conflicts.

Start with the simplest fix: update your WiFi driver from the manufacturer’s website and disable power management for the network adapter in Device Manager. These two steps alone resolve the problem for the majority of users.

If the drops continue, work through the remaining fixes — resetting your network stack, changing your DNS server, adjusting your power plan, and modifying roaming aggressiveness. At least one of these will solve even the most stubborn disconnection issues.

If you are still stuck after trying all seven fixes, the problem may lie with your router firmware or your ISP. Test on another device to narrow it down, and do not hesitate to contact your ISP’s support line if all other options are exhausted.

A stable WiFi connection on Windows 11 is absolutely achievable — follow this guide step by step and you will get there.