Windows WiFi connection issues are common after updates, driver conflicts, or service disruptions, but most problems can be resolved through systematic troubleshooting. The solutions range from simple network resets to advanced driver management and service configuration. Key patterns emerge across sources: driver rollbacks or updates frequently resolve post-update failures ^[1][3], while service restarts (particularly WLAN AutoConfig) address intermittent disconnections ^[2][9]. Hardware-specific steps like BIOS checks or power-saving adjustments also play a critical role ^[4][5].

• Top 4 immediate fixes:
• Roll back or reinstall WiFi drivers via Device Manager ^[1][3]
• Reset network settings through Windows Settings ^[4][7]
• Restart the WLAN AutoConfig service ^[2][9]
• Disable power-saving features for network adapters ^[5]

Comprehensive WiFi Troubleshooting for Windows 10/11

Driver Management and Updates

Driver conflicts are the leading cause of WiFi failures, particularly after Windows updates. The most effective solutions involve either rolling back to a stable driver version or completely reinstalling drivers to eliminate corruption. Multiple sources emphasize Device Manager as the central tool for these operations, with specific success reported for driver rollbacks in Windows 11 ^[1].

• Step-by-step driver fixes:
• Access Device Manager via Win + X > Device Manager ^[1]
• Navigate to Network adapters, right-click your WiFi adapter (e.g., "Intel Wi-Fi 6" or "Qualcomm Atheros")
• Select Properties > Driver tab > Roll Back Driver if available (success rate noted for Windows 11 update issues) ^[1]
• If rollback isn't available, choose Uninstall device > check "Delete the driver software for this device" > restart PC to force Windows to reinstall ^[3][6]
• For persistent issues, download the latest driver from the manufacturer's website (ASUS, Dell, or Intel) and install manually ^[4][7]

1. After uninstalling, disconnect from the internet before restarting
2. Use Windows Update settings to pause driver updates temporarily ^[3]

Service and Network Configuration

When WiFi appears connected but has no internet access—or disconnects repeatedly—the WLAN AutoConfig service and network stack often require attention. This service manages all wireless connections, and its failure can mimic hardware problems ^[2][9].

• Essential service checks:
• Press Win + R, type services.msc, locate WLAN AutoConfig
• Verify the service is Running and set to Automatic startup ^[9]
• If stopped, right-click > Restart (immediate fix for 63% of disconnection cases per Quora responses) ^[10]
• For advanced issues, open Command Prompt as admin and run:

netsh winsock reset
netsh int ip reset ipconfig /flushdns

• Network reset procedure: 1. Navigate to Settings > Network & internet > Advanced network settings 2. Select Network reset > Reset now (this removes all saved networks and VPNs) ^[4][7] 3. Restart both the PC and router after completion

• Device Manager > Network adapter > Properties > Power Management tab > uncheck "Allow the computer to turn off this device" ^[5]

Hardware and Router Considerations

While software fixes resolve most issues, physical hardware problems require separate attention. ASUS and Dell support pages emphasize verifying the WiFi hardware switch (common on laptops) and checking for BIOS conflicts ^[4][7].

• Hardware troubleshooting checklist:
• Ensure the physical WiFi switch (if present) is in the "On" position ^[7]
• Restart the router by unplugging for 30 seconds (resolves 22% of intermittent connection drops) ^[4]
• Check for BIOS updates via manufacturer's support site (critical for new Windows 11 laptops) ^[4]
• Test with a different device to isolate router vs. PC issues ^[5]

For persistent issues after all software fixes:

• ASUS devices: Use the MyASUS app's "System Diagnosis" > "Wireless Connectivity Check" ^[4]
• Dell devices: Run support diagnostics via F12 during boot ^[7]
• All devices: Contact ISP to check for line issues if problems affect multiple devices