Does your Wi-Fi disconnect every time your Windows 11 laptop wakes up from sleep mode? Many users experience a problem where the wireless connection drops after the computer resumes from sleep, requiring them to reconnect manually, restart the Wi-Fi adapter, or even reboot the PC to get back online.
In most cases, this issue is caused by power management settings, wireless adapter configuration problems, outdated network drivers, or changes introduced by recent Windows 11 updates. When the laptop enters sleep mode, Windows may temporarily disable the Wi-Fi adapter to conserve power. If the adapter fails to wake up properly, the connection may be lost or fail to reconnect automatically. In this guide, we’ll explain why Wi-Fi disconnects after sleep on Windows 11 and walk you through 8 effective solutions to restore a stable wireless connection whenever your laptop wakes up.
Why Does Wi-Fi Disconnect After Sleep on Windows 11?
When a Windows 11 laptop enters sleep mode, the operating system reduces power usage by temporarily suspending hardware devices and background processes. In some cases, the Wi-Fi adapter does not wake up correctly when the computer resumes, causing the wireless connection to disconnect or fail to reconnect automatically.
Common reasons why Wi-Fi disconnects after sleep on Windows 11 include:
- Power Management Settings: Windows may turn off the Wi-Fi adapter during sleep to save battery power and fail to restore it properly when the laptop wakes up.
- Outdated or Incompatible Wi-Fi Drivers: Older or buggy wireless drivers may have trouble reconnecting to Wi-Fi networks after the system resumes from sleep mode.
- Windows 11 Update Issues: Some Windows updates can change network settings or introduce compatibility problems that affect wireless connectivity after sleep.
- Wireless Adapter Power Saving Mode: Aggressive power-saving settings can cause the Wi-Fi adapter to disconnect when the laptop enters a low-power state.
- Corrupted Network Settings: Damaged network configurations can prevent Windows from restoring the wireless connection correctly after waking up.
- Router Compatibility Problems: Certain routers may not handle reconnection requests properly when a device resumes from sleep mode.
- Fast Startup or Modern Standby Conflicts: On some laptops, Windows power-management features can interfere with how the Wi-Fi adapter resumes operation.
Follow the fixes below until your Wi-Fi connection remains stable when you wake your Windows 11 laptop from sleep mode.
Fix 1: Disable Power Management for the Wi-Fi Adapter
One of the most common reasons Wi-Fi disconnects after sleep on Windows 11 is that the operating system turns off the wireless adapter to conserve power. If the adapter fails to wake up correctly, your laptop may lose its Wi-Fi connection or fail to reconnect automatically.
- Press Windows + X and select Device Manager.
- Expand Network adapters.
- Right-click your Wi-Fi adapter and select Properties.
- Open the Power Management tab.
- Uncheck Allow the computer to turn off this device to save power.
- Click OK to save the changes.
- Restart your computer.

After restarting, put your laptop into sleep mode and wake it up again. If Windows was powering down the Wi-Fi adapter during sleep, the connection should now reconnect more reliably.
Fix 2: Set the Wireless Adapter to Maximum Performance
Windows 11 includes advanced power-saving settings that can reduce power to the Wi-Fi adapter when your laptop is running on battery. In some cases, these settings prevent the wireless adapter from reconnecting properly after the system wakes from sleep.
- Press Windows + R, type powercfg.cpl, and press Enter.
- Click Change plan settings next to your active power plan.
- Select Change advanced power settings.
- Expand Wireless Adapter Settings.
- Expand Power Saving Mode.
- Set both On battery and Plugged in to Maximum Performance.
- Click Apply and then OK.
- Restart your laptop.

Once the changes are applied, test whether the Wi-Fi connection reconnects automatically after waking the computer from sleep mode. If the issue persists, continue to the next solution.
Fix 3: Update or Reinstall the Wi-Fi Driver
A faulty, outdated, or incompatible Wi-Fi driver can prevent Windows 11 from restoring the wireless connection correctly after waking from sleep. Updating or reinstalling the driver can often resolve reconnection problems and improve overall network stability.
Update the Wi-Fi Driver
- Press Windows + X and select Device Manager.
- Expand Network adapters.
- Right-click your Wi-Fi adapter and select Update driver.
- Choose Search automatically for drivers.
- Follow the on-screen instructions to install any available updates.

Reinstall the Wi-Fi Driver
If updating does not help:
- Right-click the Wi-Fi adapter and select Uninstall device.
- Confirm the uninstall when prompted.
- Restart your laptop.
- Windows will automatically reinstall the driver during startup.
For the best results, download the latest Wi-Fi driver from your laptop manufacturer’s support website and install it manually. After installation, test whether the Wi-Fi reconnects normally after the laptop wakes from sleep mode.
Fix 4: Roll Back the Wi-Fi Driver
If the Wi-Fi started disconnecting after sleep mode following a recent Windows or driver update, the newly installed wireless driver may be causing compatibility problems. Rolling back the driver restores the previously installed version that was working correctly before the issue began.
- Press Windows + X and select Device Manager.
- Expand Network adapters.
- Right-click your Wi-Fi adapter and select Properties.
- Open the Driver tab.
- Click Roll Back Driver.
- Select a reason when prompted and follow the on-screen instructions.
- Restart your laptop.

After the restart, put your laptop into sleep mode and wake it up again. If the problem was caused by a recently installed driver, the Wi-Fi connection should reconnect normally after resuming from sleep.
Note: If the Roll Back Driver button is unavailable or grayed out, Windows does not have a previous driver version stored on your device. In that case, continue with the next solution.
Fix 5: Run the Network Adapter Troubleshooter
Windows 11 includes a built-in Network and Internet Troubleshooter that can automatically detect and fix common networking issues. If the Wi-Fi connection fails to reconnect after sleep due to a configuration issue, the troubleshooter may identify and correct it.
- Press Windows + I to open Settings.
- Go to System > Troubleshoot.
- Click Other troubleshooters.
- Find Network and Internet and click Run.
- Follow the on-screen instructions and apply any recommended fixes.
- Restart your laptop if prompted.

After the troubleshooter completes, put your laptop into sleep mode and wake it up again to check whether the Wi-Fi reconnects automatically. If the problem continues, proceed to the next solution.
Fix 6: Disable Fast Startup
Fast Startup is a Windows feature designed to reduce boot times by saving certain system information when the computer shuts down. On some laptops, Fast Startup can interfere with network drivers and power management, causing Wi-Fi connectivity issues after the system wakes from sleep or resumes operation.
- Press Windows + R, type control, and press Enter.
- Click Power Options.
- Select Choose what the power buttons do from the left pane.
- Click Change settings that are currently unavailable.
- Under Shutdown settings, uncheck Turn on fast startup (recommended).
- Click Save changes.
- Restart your laptop.

After restarting, put your computer into sleep mode and wake it up again. If Fast Startup was causing conflicts with the Wi-Fi adapter, the connection should reconnect more reliably after sleep.
Fix 7: Forget and Reconnect to the Wi-Fi Network
If Windows 11 is having trouble restoring the saved Wi-Fi profile after sleep, removing and re-adding the wireless network can help. This creates a fresh connection profile and can resolve authentication or reconnection issues.
- Press Windows + I to open Settings.
- Go to Network & Internet > Wi-Fi.
- Click Manage known networks.
- Select your Wi-Fi network and click Forget.
- Return to the available Wi-Fi networks list.
- Select your network and click Connect.
- Enter the Wi-Fi password when prompted.
- Allow Windows to reconnect to the network.

After reconnecting, put the laptop into sleep mode and wake it up again. If the saved network profile was causing the issue, Windows should now reconnect to Wi-Fi automatically.
Fix 8: Reset Network Settings
If Wi-Fi still fails to reconnect after sleep, corrupted network settings may be preventing Windows 11 from restoring the connection properly. A network reset reinstalls network adapters and restores networking components to their default configuration.
Note: This process removes saved Wi-Fi networks, VPN connections, and custom network settings. Make sure you know your Wi-Fi password before continuing.
- Press Windows + I to open Settings.
- Go to Network & Internet.
- Click Advanced network settings.
- Select Network reset.
- Click Reset now.
- Confirm the action when prompted.
- Restart your laptop.
- Reconnect to your Wi-Fi network.

After the reset is complete, test the laptop by putting it into sleep mode and waking it up again. If network corruption was causing the issue, the Wi-Fi connection should reconnect normally.
Fix 9: Install the Latest Windows 11 Updates
Although some updates can introduce Wi-Fi problems, Microsoft frequently releases follow-up patches that fix networking bugs, driver compatibility issues, and power management problems. If your laptop started losing Wi-Fi after sleep following a recent update, installing the latest updates may resolve the issue.
- Press Windows + I to open Settings.
- Select Windows Update from the left pane.
- Click Check for updates.
- Download and install any available updates.
- Restart your laptop when prompted.

After the update is installed, put your computer into sleep mode and wake it up again to test the Wi-Fi connection. If Microsoft has released a fix for the issue, your wireless connection should reconnect normally after resuming from sleep.
If the problem persists after trying all the solutions above, test the laptop on a different Wi-Fi network or connect it directly to the router via an Ethernet cable. This can help determine whether the issue is related to Windows 11, the wireless adapter, or the router itself.
How to Prevent Wi-Fi Disconnecting After Sleep on Windows 11
While sleep-related Wi-Fi issues can occur after driver or Windows updates, a few simple maintenance steps can help reduce the chances of the problem returning.
- Keep your Wi-Fi driver updated from your laptop manufacturer’s support website.
- Install Windows 11 updates regularly to receive networking and stability fixes.
- Use the Maximum Performance setting for the wireless adapter if you frequently experience connection drops after sleep.
- Avoid installing outdated network management or optimization software that may interfere with wireless connectivity.
- Restart your laptop occasionally instead of relying solely on sleep mode for extended periods.
Following these practices can help ensure your Windows 11 laptop reconnects to Wi-Fi reliably after waking from sleep mode.
Frequently Asked Questions
This usually happens because Windows turns off the Wi-Fi adapter to save power while the laptop is sleeping. When the computer wakes up, the adapter may fail to reconnect properly due to power management settings, driver issues, or network configuration problems.
Start by disabling power management for the Wi-Fi adapter and setting the wireless adapter power mode to Maximum Performance. If the issue continues, update or roll back the Wi-Fi driver and check for Windows updates.
A corrupted network profile, outdated driver, or power-saving setting may prevent Windows from restoring the wireless connection automatically. Forgetting and reconnecting to the Wi-Fi network or resetting network settings often resolves the problem.
Yes. Some Windows updates install new network drivers or change power management settings, which can affect how the Wi-Fi adapter behaves after sleep mode. Rolling back the driver or installing a newer compatible version may help.
If your Wi-Fi disconnects or fails to reconnect after sleep, disabling Fast Startup is worth trying. On some systems, Fast Startup can interfere with network drivers and power management features.
In many cases, yes. Driver updates often include fixes for power management, stability, and compatibility issues that affect wireless connectivity after sleep or hibernation.
Test the laptop on a different Wi-Fi network to rule out router-related issues. If the problem occurs on multiple networks, download the latest Wi-Fi driver from your laptop manufacturer’s support website and consider checking for a BIOS or firmware update if one is available.
