1. Basic Checks
- Ensure Airplane Mode is off.
- Confirm the Wi-Fi adapter is enabled in Network Settings.
- Use the Function key (Fn + Wi-Fi icon) on laptops to toggle Wi-Fi.
2. Run Windows Troubleshooter
- Go to Settings > System > Troubleshoot > Other Troubleshooters.
- Run the Network and Internet troubleshooter.
- Follow on-screen instructions to auto-diagnose and fix issues.
3. Forget and Reconnect to Network
- Open Wi-Fi Settings.
- Select your network and click Forget.
- Reconnect by entering the correct password.
4. Restart Network Hardware
- Power off your modem and router.
- Wait 30 seconds, then power them back on.
- Reconnect your device after a few minutes.
5. Update or Roll Back Wi-Fi Drivers
- Open Device Manager.
- Expand Network Adapters.
- Right-click your Wi-Fi adapter and choose:
- Update driver
- Or Roll back driver if issues started after an update.
6. Reset Network Settings
- Go to Settings > Network & Internet > Advanced Network Settings > Network Reset.
- Click Reset Now and restart your computer.
7. Flush DNS and Reset TCP/IP
Open Command Prompt as Administrator and run:
8. Check for Interference
- Keep your router away from microwaves, cordless phones, and Bluetooth devices.
- Consider using mesh routers to eliminate dead zones.
9. Disable Power Management for Adapter
- In Device Manager, right-click your Wi-Fi adapter.
- Go to Properties > Power Management.
- Uncheck “Allow the computer to turn off this device to save power.”
10. Check Antivirus or Firewall
- Temporarily disable third-party antivirus or firewall software.
- If Wi-Fi works, adjust settings or switch to a different security solution.