How to Fix WiFi Disappeared After Sleep in Windows 11

Windows 11 is designed to manage system resources efficiently by using sleep mode to reduce power consumption when the device is inactive. While this feature helps improve battery life and overall performance, it can sometimes cause hardware components to behave unexpectedly after the system wakes. One common issue users encounter is the WiFi option disappearing completely after sleep, preventing access to wireless networks.

This problem usually occurs when Windows 11 does not properly restore the wireless network adapter or its supporting services after resuming from sleep mode. In such situations, the WiFi toggle may be missing from Settings, the system tray, or Device Manager, even though the adapter is physically present. Although the issue can appear serious, it is often related to power management or driver configuration rather than a hardware failure.

Fixing this issue involves adjusting specific Windows settings so the wireless adapter remains active and initializes correctly after sleep. The following methods focus on stabilizing WiFi behavior by configuring power options, system services, and network drivers in Windows 11.

How to Fix WiFi Disappeared After Sleep in Windows 11

To resolve this issue, Windows must be configured to correctly restore the wireless adapter and its related components when the system wakes from sleep. This includes preventing Windows from turning off the WiFi adapter to save power, ensuring essential network services start automatically, and confirming that the wireless driver functions properly after sleep mode.

Follow the methods below in sequence. Restart the system where instructed so Windows can fully apply the changes and restore normal WiFi functionality.

1. Disable Power Saving for the WiFi Adapter in Device Manager

Windows 11 may turn off the wireless adapter during sleep to conserve power, which can cause it to disappear after waking.

1. Press Windows + X and select Device Manager.
2. Expand the Network adapters section.
3. Right-click your wireless network adapter and select Properties.
4. Open the Power Management tab.
5. Uncheck Allow the computer to turn off this device to save power.
6. Click OK and restart the computer.

This change prevents Windows from disabling the WiFi adapter during sleep.

2. Set Wireless Adapter Power Mode to Maximum Performance

Power plan settings can override device-level configurations and affect WiFi behavior after sleep.

1. Press Windows + R, type control, and press Enter.
2. Open Power Options and click Change plan settings next to your active power plan.
3. Select Change advanced power settings.
4. Expand Wireless Adapter Settings, then expand Power Saving Mode.
5. Set both On battery and Plugged in to Maximum Performance.
6. Click Apply, then OK.

This ensures the wireless adapter remains fully active when the system resumes.

3. Ensure WLAN AutoConfig Service Is Running

WiFi connectivity depends on system services that must restart correctly after sleep.

1. Press Windows + R, type services.msc, and press Enter.
2. Locate WLAN AutoConfig in the services list.
3. Double-click the service to open its properties.
4. Set Startup type to Automatic.
5. If the service is not running, click Start, then select Apply and OK.

Keeping this service active allows Windows 11 to detect and manage wireless networks after sleep.

4. Update or Reinstall the Wireless Network Driver

Driver issues can prevent the WiFi adapter from initializing properly after sleep.

1. Open Device Manager and expand Network adapters.
2. Right-click the wireless adapter and select Update driver.
3. Choose Search automatically for drivers and follow the on-screen instructions.

If the issue continues:

1. Right-click the wireless adapter again and select Uninstall device.
2. Restart the computer and allow Windows 11 to reinstall the driver automatically.

This refreshes the driver configuration and resolves compatibility problems.

5. Disable Fast Startup in Windows 11

Fast Startup can interfere with hardware reinitialization, including network components.

1. Open Control Panel and go to Power Options.
2. Click Choose what the power buttons do from the left pane.
3. Select Change settings that are currently unavailable.
4. Uncheck Turn on fast startup (recommended).
5. Click Save changes and restart the system.

Disabling Fast Startup forces Windows to fully reload WiFi components after sleep.

6. Run the Network Adapter Troubleshooter

Windows 11 includes a built-in troubleshooter that can detect and fix network-related configuration issues.

1. Press Windows + I to open Settings.
2. Navigate to System > Troubleshoot > Other troubleshooters.
3. Click Run next to Network Adapter.
4. Follow the on-screen instructions and apply any recommended fixes.

Final Thoughts

By applying the steps outlined above, Windows 11 should be able to properly restore the wireless adapter after waking from sleep. These adjustments ensure that power management settings, system services, and driver behavior work together to keep WiFi available without requiring frequent restarts.

If the problem persists even after completing all methods, it may indicate a deeper compatibility issue with the wireless driver or system firmware. In such cases, checking for BIOS updates or consulting the device manufacturer’s support resources can help resolve sleep-related WiFi issues more permanently.