How to Fix WiFi Driver Issues on Windows 11: Update, Rollback, and Reinstall

Few things are more disruptive than your WiFi disappearing after a Windows 11 update. One reboot and suddenly your laptop can’t find any networks, the WiFi icon has a red X, or the adapter is completely missing from Device Manager. In almost every case the culprit is a driver conflict — and the fix is more straightforward than it looks.

Before You Start: Rule Out the Basics

Before diving into driver surgery, confirm the problem is software, not hardware:

• Physical WiFi switch: Many laptops have a hardware toggle (Function key or side switch). Make sure it’s on.
• Airplane mode: Check the Action Center (Windows + A) and verify airplane mode is off.
• Simple restart: Restart the computer fully — not just sleep and wake.
• Other devices: Can your phone or another laptop connect to the same network? If nothing can, the issue is your router, not Windows 11.

If other devices connect fine and only your Windows 11 machine is affected, it’s almost certainly a driver problem. Continue below.

Method 1: Run the Windows Network Troubleshooter

It’s tempting to skip this step, but Microsoft’s built-in troubleshooter fixes a surprising number of driver and adapter state issues automatically.

1. Press Windows + I to open Settings.
2. Go to System → Troubleshoot → Other troubleshooters.
3. Click Run next to Internet Connections.
4. Follow the on-screen prompts. If it reports “WiFi adapter driver may have a problem,” let it apply the fix automatically.

If the troubleshooter clears the issue, great. If it says it can’t fix the problem, note what error it reports and move on to the manual methods below.

Method 2: Update the WiFi Driver via Device Manager

Windows can often pull a corrected driver directly from Windows Update — no manual download needed.

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 6E AX211, Realtek 8852BE, or Qualcomm FastConnect 6900).
4. Select Update driver → Search automatically for drivers.
5. Let Windows search. If it finds a newer driver, install it and reboot.

Tip: If Windows says “The best drivers for your device are already installed,” that doesn’t mean the installed driver is good — it just means Windows isn’t aware of a newer version. Download the driver manually from the manufacturer (Method 4) for a more reliable fix.

Method 3: Roll Back the WiFi Driver

If your WiFi broke immediately after a Windows Update or a driver update, rolling back to the previous version is the fastest fix.

1. Open Device Manager → Network adapters.
2. Right-click your WiFi adapter and choose Properties.
3. Click the Driver tab.
4. If the Roll Back Driver button is clickable (not grayed out), click it.
5. Select a reason when prompted, then click Yes. Reboot.

If Roll Back Driver is grayed out, Windows has no previous driver version stored. Skip to Method 4 or Method 5.

Roll Back a Windows Update Instead

If the driver rollback button is unavailable but your WiFi broke right after a cumulative Windows Update, you can uninstall the specific update:

1. Go to Settings → Windows Update → Update history → Uninstall updates.
2. Find the most recently installed update (look for the date it matches your WiFi failure) and uninstall it.
3. Reboot and test WiFi. If it works, pause Windows updates temporarily while waiting for Microsoft to release a fixed version.

Method 4: Reinstall the WiFi Driver Cleanly

A clean reinstall removes corrupted driver files and replaces them with a fresh copy. This fixes most persistent driver problems.

1. Open Device Manager → Network adapters.
2. Right-click your WiFi adapter and choose Uninstall device.
3. Check the box “Attempt to remove the driver for this device” (this removes leftover driver files).
4. Click Uninstall. Your WiFi adapter will disappear from the list.
5. Go to Action → Scan for hardware changes. Windows will detect the adapter and reinstall a generic driver.
6. Reboot. Windows will finish driver installation on startup.

If the auto-installed driver doesn’t work well, download the official driver from your laptop or adapter manufacturer (see below) and install it manually.

Method 5: Download the Official Driver from the Manufacturer

OEM drivers from your laptop or adapter manufacturer are almost always more stable and recent than what Windows Update provides.

Find Your WiFi Adapter’s Chipset

In Device Manager, right-click your WiFi adapter, choose Properties → Details, and set the dropdown to Hardware IDs. The string starting with PCIVEN_ or USBVID_ identifies the exact chipset.

Where to Download

• Dell laptops: dell.com/support — enter your Service Tag for exact drivers.
• HP laptops: support.hp.com — use HP Support Assistant or enter your model.
• Lenovo laptops: support.lenovo.com — search by machine type.
• ASUS laptops: asus.com/support — select your model under “Laptop”.
• Intel WiFi adapters (AX200, AX210, AX211, BE200): intel.com/support — search your adapter model directly for the latest Intel Wi-Fi driver package.
• Realtek adapters: realtek.com — download the Realtek WLAN driver matching your chipset.

Download the .exe installer, double-click to install, and reboot. OEM driver installers handle the Device Manager steps automatically.

Method 6: Fix the Power Management Setting

Windows 11 can shut down your WiFi adapter to save power, which causes intermittent drops and connection failures that look like driver bugs.

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

This is especially important on laptops. After disabling this, test by putting the laptop to sleep and waking it up — if WiFi reconnects instantly instead of taking 10–30 seconds, this was your problem.

Method 7: Reset Network Settings

If the above methods don’t help, a full network reset wipes all adapter configurations and reinstalls them from scratch. Use this as a last resort before a full Windows reinstall.

1. Go to Settings → Network & Internet → Advanced network settings.
2. Scroll down and click Network reset.
3. Click Reset now, then Yes to confirm.
4. Your PC will restart automatically. All saved WiFi networks and VPN configurations will be removed — have your passwords ready.

Reset TCP/IP Stack Manually

If a full reset feels too drastic, you can reset just the TCP/IP stack and Winsock catalog via Command Prompt:

1. Search for Command Prompt, right-click, and choose Run as administrator.
2. Run these commands one at a time:

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

Reboot after running all commands. This resolves corrupted IP stack issues without erasing saved WiFi networks.

Quick Diagnostic Checklist

1. Confirm airplane mode is off and physical WiFi switch is on.
2. Run Windows Network Troubleshooter (Settings → System → Troubleshoot).
3. Try updating the driver via Device Manager.
4. If WiFi broke after an update, roll back the driver or uninstall the Windows Update.
5. Uninstall the driver completely and scan for hardware changes to reinstall clean.
6. Download and install the latest driver from your laptop/adapter manufacturer.
7. Disable power management “turn off to save power” option.
8. As a last resort, run netsh resets or use Network Reset in Settings.

For related troubleshooting, see our guides on fixing WiFi on Linux, WiFi adapter not found errors, and slow WiFi after a Windows Update.