When Wi-Fi keeps dropping on Windows 11, the usual suspects are the adapter’s power-saving setting switching the radio off, an outdated or corrupted Wi-Fi driver, or congestion on your network band. The fastest sequence that works for most people: turn off the adapter’s power-saving option in Device Manager, update the Wi-Fi driver, then reset the network stack with a few commands. Work through the steps below in order — most people have a stable connection back by step 5.
Why your Wi-Fi keeps disconnecting
Before you change anything, it helps to know what’s actually going wrong. On Windows 11, repeated disconnects almost always trace back to one of four causes. Pinning down yours first saves you from trying a dozen random fixes and getting nowhere.
1. Windows is turning off your Wi-Fi adapter to save power
This is the single most common cause on laptops, and the one I see people miss most often. Buried in Device Manager is a checkbox — “Allow the computer to turn off this device to save power” — that’s enabled by default for most wireless adapters. When Windows decides the adapter is idle, it powers it down, your connection drops, and you get to stare at the globe icon with a slash through it. The disconnects often strike when you step away from the PC for a few minutes, or when the laptop is running on battery.
2. An outdated or buggy Wi-Fi driver
Wi-Fi drivers from Intel, Realtek, MediaTek, and Qualcomm get updated frequently to fix stability bugs — but the version Windows installs automatically is often months, sometimes years, behind. A driver mismatch loves to show up after major Windows updates: everything worked fine on Tuesday, you installed a cumulative update, and now the connection drops every twenty minutes. Corrupted driver files after a bad update cause the exact same symptom.
3. Band congestion or router conflicts
The 2.4 GHz band is packed in most apartment buildings — dozens of neighboring routers, Bluetooth devices, microwaves, and baby monitors all fighting for the same channels. If your adapter is set to hop between 2.4 GHz and 5 GHz automatically, or your router’s “smart connect” feature keeps shoving your PC onto a congested channel, you get repeated drops. Another classic: Windows 11’s “Random hardware addresses” feature changes your MAC address, and some routers respond by kicking the device off the network.
4. A corrupted network stack
VPN clients, third-party firewalls, and failed Windows updates can leave the TCP/IP stack or DNS cache in a broken state. The tell-tale sign: you’re connected to the router but pages won’t load, or the adapter shows “No internet, secured” even though your phone works fine on the same network.
How to fix it: follow these steps in order
Start at step 1 and test your connection after each step. Stop the moment the disconnects are gone — there’s no need to do everything.
- Disable the adapter’s power-saving option. This is where I’d put my money if I had to bet. Press Win + X and select Device Manager. Expand Network adapters, right-click your Wi-Fi adapter (it’ll have a name like Intel(R) Wi-Fi 6 AX201 160MHz or Realtek 8822CE Wireless LAN 802.11ac PCI-E NIC), and choose Properties. Go to the Power Management tab and uncheck “Allow the computer to turn off this device to save power”, then click OK. While you’re there, open Settings > System > Power & battery and make sure Power mode isn’t set to Best power efficiency while you’re troubleshooting — aggressive power saving is the enemy of a stable radio.
- Update the Wi-Fi driver properly. Back in Device Manager, right-click the adapter again and choose Update driver > Search automatically for drivers. If Windows says you already have the best driver, don’t believe it — that only means it has the newest driver in its own catalog. Instead, note the exact adapter model, visit the manufacturer’s support page (Intel’s Driver & Support Assistant is the easiest route for Intel adapters), and install the latest driver directly. Restart after installing, even if it doesn’t ask you to. The first time I skipped that restart, the old driver was still half-loaded and the drops kept happening — don’t be like me.
- Run the built-in network troubleshooter. Go to Settings > System > Troubleshoot > Other troubleshooters and click Run next to Network and Internet. Honestly, this tool is hit or miss — but it does reset the adapter and clear the DNS cache automatically, which fixes a surprising number of cases. Let it finish and apply whatever it recommends.
- Turn off “Random hardware addresses” for your network. Open Settings > Network & internet > Wi-Fi and find Random hardware addresses. Set it to Off. This feature is meant for privacy on public hotspots, but some home routers and corporate networks treat a changing MAC address as a new, untrusted device and drop it. If you connect to coffee-shop Wi-Fi often, you can leave it on for those networks and off for your home network instead.
- Reset the TCP/IP stack and DNS cache. Right-click the Start button and open Terminal (Admin) or Command Prompt (Admin), then run these commands one at a time, pressing Enter after each:
netsh winsock reset netsh int ip reset ipconfig /release ipconfig /renew ipconfig /flushdns
Restart your PC afterward. These commands rebuild the network configuration from scratch and clear out corrupted settings left behind by VPN software or failed updates. In my experience, this step alone resolves the “connected but no internet” flavor of the problem in most cases.
- Forget the network and pick the right band. Go to Settings > Network & internet > Wi-Fi > Manage known networks, select your network, and click Forget. Reconnect and re-enter your password. If your router broadcasts separate 2.4 GHz and 5 GHz network names (SSIDs), try connecting to the 5 GHz one when you’re in the same room as the router — it’s faster and far less congested. Use 2.4 GHz only when you need the extra range through walls.
- Do a full network reset. If nothing above worked, go to Settings > Network & internet > Advanced network settings > Network reset and click Reset now. This removes all network adapters and reinstalls them, and resets every networking component to its defaults. Know what it wipes first: saved Wi-Fi passwords, VPN connections, and virtual switches will all need to be set up again — but your files and apps are untouched.
- Update Windows and check for firmware updates. Open Settings > Windows Update and install everything pending, including optional driver updates. Then check your PC manufacturer’s support page for BIOS and chipset updates — several well-documented Wi-Fi drop bugs on laptops from 2022–2024 were fixed by BIOS updates, not Windows updates.
If nothing works
A few last things worth trying before you conclude the hardware is at fault:
- Test with a cheap USB Wi-Fi adapter. If a $15 USB adapter holds a rock-solid connection while the built-in one keeps dropping, you’ve isolated the problem to the internal adapter or its antenna wires — a strong signal to take to a repair shop.
- Check the router side. Reboot the router, and if it’s more than five years old, check for a firmware update in its admin panel. Try a different channel (1, 6, or 11 on 2.4 GHz) if you live in a dense building.
- Look for hardware red flags. If the Wi-Fi adapter vanishes from Device Manager entirely, shows a yellow warning icon with a “Code 10” error, or the disconnects get worse when the laptop heats up, the adapter or its antenna connection is likely failing. On most laptops this is a straightforward, inexpensive repair.
Frequently asked questions
Why does my Wi-Fi disconnect on Windows 11 but not on my phone?
Because the cause is usually in the PC, not the network. The power-management setting and driver issues described above are Windows-specific — your phone has no equivalent of “Allow the computer to turn off this device to save power.” If phones and other devices stay connected while the PC drops, the router is almost certainly innocent.
Will disabling power saving drain my battery faster?
Barely. A Wi-Fi radio draws well under a watt at idle. You might lose a few minutes of battery over a full day — a worthwhile trade for a connection that stays up. If you’re truly pinching every minute of battery, set a less aggressive power mode instead and leave the adapter’s own checkbox off.
Does a network reset delete my files?
No. It only removes network configuration: saved Wi-Fi passwords, VPN profiles, Ethernet settings, and virtual network switches. Your documents, photos, and installed apps are completely unaffected. Just make sure you know your Wi-Fi password before you click Reset.
Why does my Wi-Fi disconnect every time I close the lid?
Closing the lid puts the laptop to sleep by default, which powers down the radio. If you want the connection to survive, go to Settings > System > Power & battery > Screen, sleep, & hibernate timeouts and check your sleep settings — or change the lid-close action to “Do nothing” in the Control Panel’s power options. Note that some laptops still drop Wi-Fi in Modern Standby; a BIOS update often fixes that.
Should I buy a new router?
Only if the router is the problem. The test is simple: if every device in the house drops at the same time, suspect the router or your internet provider. If only the Windows 11 PC drops while everything else hums along, a new router won’t help — work through the steps above instead.
