Your Wi-Fi keeps disconnecting on Windows 11 — mid-call, mid-stream, mid-meeting. You reconnect, and it drops again minutes later. It’s one of the most reported Windows 11 problems, and it costs real time and real patience.
The most common causes are Windows 11’s aggressive power-saving settings shutting down your Wi-Fi adapter, an outdated or corrupted driver, or a stale DNS cache. The fixes below use only built-in Windows tools — free, no downloads required — and most take under five minutes. Work through them in order until your Wi-Fi stays stable.
Quick Answer
To stop Wi-Fi from disconnecting on Windows 11: open Device Manager, find your Wi-Fi adapter under Network adapters, go to the Power Management tab, and uncheck “Allow the computer to turn off this device to save power.” Then update your driver and run ipconfig /flushdns in an admin Command Prompt. These two steps fix the vast majority of cases.
Why Does Wi-Fi Keep Disconnecting on Windows 11?
Before diving into fixes, here are the most common culprits at a glance:
| Cause | What Happens |
|---|---|
| Power Management | Windows shuts off the adapter to save battery — even on desktops |
| Outdated or buggy driver | A bad update breaks the adapter’s stability |
| DNS/IP conflict | Your PC holds a stale or duplicate network address |
| Roaming Aggressiveness setting | Windows constantly hunts for a “better” signal, causing drops |
| Corrupted network profile | Saved Wi-Fi credentials go invalid |
| Unreliable ISP DNS | Your ISP’s DNS server drops out, breaking the session |
| Pending Windows updates | Network bugs already fixed in updates you haven’t installed |
Fix 1: Turn Off Wi-Fi Power Management (Most Common Fix)
This single setting is responsible for the majority of random Wi-Fi drops on Windows 11. Windows automatically powers off your network adapter during idle periods to save energy — even on plugged-in desktops.
- Press Windows + X and click Device Manager.
- Expand Network adapters and double-click your Wi-Fi adapter.
- Click the Power Management tab.
- Uncheck “Allow the computer to turn off this device to save power.”
- Click OK, then restart your PC.
Pro tip: On a laptop, also go to Control Panel > Power Options, choose High Performance, and click Change plan settings > Change advanced power settings. Under Wireless Adapter Settings > Power Saving Mode, set it to Maximum Performance.
Fix 2: Update or Roll Back Your Wi-Fi Driver
A Windows 11 update can silently corrupt your Wi-Fi driver. Updating usually fixes it — but if the drops started immediately after a Windows or driver update, rolling back is often the faster solution.
To update your driver:
- Open Device Manager, right-click your Wi-Fi adapter, and select Update driver.
- Choose Search automatically for drivers and follow the prompts.
- Restart your PC after the update.
To roll back your driver:
- Double-click your Wi-Fi adapter > Driver tab > Roll Back Driver.
- Select a reason and confirm.
Troubleshooting tip: If Windows says the driver is already up to date but drops continue, visit your PC manufacturer’s support site (Dell, HP, Lenovo) or your adapter chipset maker’s site (Intel, Realtek) and download the latest driver manually — manufacturer drivers are often newer than what Windows finds automatically.
Fix 3: Flush DNS and Renew Your IP Address
A corrupted DNS cache or a stale IP address can silently cause your connection to drop. This reset takes about two minutes and is completely safe.
- Press Windows + S, type cmd, right-click Command Prompt, and select Run as administrator.
- Type each command below and press Enter after each one:
netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /flushdns
ipconfig /renew- Restart your PC once the commands finish.
These commands reset your network stack to factory defaults — they don’t delete files or change your settings beyond the network configuration.
Fix 4: Adjust Wi-Fi Adapter Advanced Settings
Two hidden adapter settings cause Wi-Fi drops that most guides miss: Roaming Aggressiveness (which makes Windows constantly scan for a stronger signal) and Preferred Band (which can lock you onto a congested 2.4 GHz channel).
- Open Device Manager and double-click your Wi-Fi adapter.
- Click the Advanced tab.
- Find Roaming Aggressiveness and set it to Lowest.
- Find Preferred Band or Wireless Mode and set it to 5 GHz if your router supports dual-band.
- Click OK and restart.
Troubleshooting tip: Advanced settings vary by adapter brand. If you don’t see “Roaming Aggressiveness,” look for similar options like “Minimum Power Consumption” or “Transmit Power” and lower them instead.
Fix 5: Switch to a Faster Public DNS Server
If your ISP’s DNS server is unreliable, your internet session can cut out even when your Wi-Fi signal bar looks perfect. Switching to Google’s or Cloudflare’s free public DNS servers takes two minutes and often solves the problem permanently.
- Go to Settings > Network & internet > Wi-Fi, click your current network, then click Properties.
- Click Edit next to DNS server assignment and switch from Automatic to Manual.
- Enable 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)
- Click Save.
Fix 6: Forget and Reconnect to Your Wi-Fi Network
Windows can get stuck with corrupted saved credentials for your network. Forgetting the network and rejoining from scratch clears this in about 30 seconds.
- Go to Settings > Network & internet > Wi-Fi > Manage known networks.
- Find your network in the list and click Forget.
- Click the Wi-Fi icon in the taskbar, select your network, enter your password, and reconnect.
Pro tip: If you use a 2.4 GHz and a 5 GHz network with the same name (SSID), try forgetting both and reconnecting to each separately. Naming them differently (e.g., “HomeNet” and “HomeNet_5G”) prevents Windows from bouncing between them unpredictably.
Fix 7: Reset All Network Settings
If none of the fixes above have worked, a full network reset returns every adapter, protocol, and configuration to its Windows default — the most thorough reset short of reinstalling Windows itself.
- Go to Settings > Network & internet > Advanced network settings.
- Scroll down and click Network reset.
- Click Reset now, confirm, and let your PC restart.
- Reconnect to your Wi-Fi network with your password.
Note: This wipes all saved Wi-Fi passwords, VPN connections, and proxy settings. Have your Wi-Fi password written down before you click Reset.
Common Mistakes to Avoid
- Only rebooting your router. A router reboot helps temporarily but doesn’t fix a driver or power management issue on your PC. Always check the Windows side first.
- Skipping Windows Update. Pending updates often contain network stack fixes and driver patches. Check Settings > Windows Update and install everything before diving deeper.
- Setting Roaming Aggressiveness to Highest. This sounds like it would improve stability, but it makes your adapter constantly hop between access points — causing more drops, not fewer.
- Assuming power management only affects laptops. Windows 11 applies this setting to all devices, including plugged-in desktops. Always check it.
- Running Network Reset without writing down your Wi-Fi password. The reset wipes every saved credential. Being locked out of your own Wi-Fi after the reset is an avoidable headache.
- Blaming Wi-Fi when a VPN is running. Some VPN clients interfere with the network adapter. Disable your VPN temporarily to rule it out before troubleshooting deeper.
Frequently Asked Questions
Why does my Wi-Fi keep disconnecting every few minutes on Windows 11?
Power management is the most likely cause. Windows 11 shuts off your Wi-Fi adapter during idle periods to save energy. Fix it in Device Manager: find your Wi-Fi adapter, open its Properties, go to the Power Management tab, and uncheck “Allow the computer to turn off this device to save power.”
Will resetting network settings delete my files?
No. A network reset only removes saved network configurations and passwords. Your personal files, installed apps, and Windows system are completely unaffected.
Why does my Wi-Fi only disconnect when the PC is idle or overnight?
This is the power management setting in action (Fix 1). Windows aggressively powers down your adapter during idle periods. Disabling that setting stops the drops immediately.
Does this work for Ethernet disconnecting too?
Yes. Fixes 1, 2, 3, and 7 all apply to Ethernet adapters. In Device Manager, find your Ethernet adapter and apply the same steps — especially the Power Management tab.
My Wi-Fi shows “Connected” but pages won’t load — is that the same problem?
“Connected but no internet” is usually a DNS or IP conflict rather than a true disconnect. Start with Fix 3 (flush DNS and renew IP) and Fix 5 (change to a public DNS server) for that specific symptom.
Can a VPN cause Wi-Fi to disconnect on Windows 11?
Yes. Some VPN clients conflict with the network adapter driver and cause drops that look like Wi-Fi problems. Temporarily disable your VPN to test — if the drops stop, update or reinstall the VPN client.
What if all seven fixes fail?
If every fix above fails, the issue is likely hardware-level: outdated router firmware, Wi-Fi channel congestion, or a weak signal. Log into your router’s admin panel (usually at 192.168.1.1 in your browser) to check for firmware updates, or contact your ISP to test line quality.
Conclusion
Wi-Fi keeps disconnecting on Windows 11 is one of those problems that sounds mysterious but almost always has a simple fix. Start with Fix 1 — turning off power management — since it solves the majority of cases without any technical knowledge. If you still get drops after that, work through the driver update and DNS flush and you’ll very likely be stable within ten minutes.
If your connection stays connected but feels sluggish rather than dropping out, check out our guide on How to Fix Slow Internet on Windows 11 for speed-specific fixes. And if you’re also dealing with a sluggish PC overall, How to Speed Up a Slow Windows 11 PC has you covered.