When Windows can’t find any WiFi networks, something is blocking network discovery. Here’s how to fix it.

Why WiFi Doesn’t Show Networks

Software Issues

• WiFi adapter is disabled
• Airplane mode is on
• Driver problems
• Service not running
• Windows corruption

Hardware Issues

• Physical WiFi switch is off
• Antenna disconnected
• WiFi adapter failed

Quick Checks

Check Airplane Mode

1. Click network icon in taskbar
2. Ensure Airplane mode is OFF
3. Or check Action Center (Win + A)

Check Physical WiFi Switch

Some laptops have physical WiFi switches:

• Look on sides of laptop for a switch
• Check for Fn key combination (often Fn + F2 or F5)
• Look for WiFi LED indicator

Check if WiFi is On

1. Click network icon in taskbar
2. Ensure WiFi toggle is ON (blue)
3. If grayed out, WiFi adapter may be disabled

Enable WiFi Adapter

Method 1: Settings

1. Settings > Network & internet
2. Click WiFi
3. If WiFi option is missing, adapter is disabled
4. Go to Advanced network settings
5. Find WiFi adapter, click Enable

Method 2: Network Connections

1. Press Windows + R, type ncpa.cpl
2. Right-click WiFi adapter
3. Select Enable (if it says Disabled)

Method 3: Device Manager

1. Open Device Manager
2. Expand Network adapters
3. Right-click WiFi adapter
4. Select Enable device (if disabled)

Driver Fixes

Update WiFi Driver

1. Device Manager > Network adapters
2. Right-click WiFi adapter
3. Update driver > Search automatically
4. Restart and check

Reinstall WiFi Driver

1. Device Manager > right-click WiFi adapter
2. Uninstall device
3. Check “Delete driver software”
4. Click Uninstall
5. Restart - Windows reinstalls driver
6. Check for networks

Download Driver Manually

If no driver installs automatically:

1. On another computer, visit manufacturer website
2. Download WiFi driver for your laptop model
3. Transfer via USB drive
4. Install on affected computer

Service Fixes

Start WLAN AutoConfig Service

This service is required for WiFi:

1. Press Windows + R, type services.msc
2. Find WLAN AutoConfig
3. If not running, right-click > Start
4. Double-click it
5. Set Startup type to Automatic
6. Click OK

Reset Network Services

1. Open Command Prompt as Administrator
2. Run:

   net stop wlansvc
   net start wlansvc

3. Check for networks

Start All Network Services

1. Services window (services.msc)
2. Ensure these are running and set to Automatic:
   • WLAN AutoConfig
   • Network Connections
   • Network Location Awareness
   • Network List Service

Network Reset

Method 1: Windows Settings

1. Settings > Network & internet
2. Advanced network settings
3. Network reset
4. Click Reset now
5. Computer restarts
6. Check for networks

Method 2: Command Line

1. Command Prompt as Administrator
2. Run:

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

3. Restart computer

Run Troubleshooters

Network Adapter Troubleshooter

1. Settings > System > Troubleshoot
2. Other troubleshooters
3. Run Network Adapter
4. Select your WiFi adapter
5. Apply fixes

Internet Connections Troubleshooter

1. Same location
2. Run Internet Connections
3. Follow prompts

Registry Fix

Warning: Registry edits can cause issues. Create restore point first.

Reset Network Registry Settings

1. Press Windows + R, type regedit
2. Navigate to:

   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet

3. Delete EnableActiveProbing if present
4. Restart computer

Check for Hardware Issues

Scan for Hardware Changes

1. Device Manager
2. Click Action > Scan for hardware changes
3. See if adapter appears

Check for Hidden Devices

1. Device Manager
2. View > Show hidden devices
3. Check Network adapters section

BIOS Check

WiFi might be disabled in BIOS:

1. Restart and enter BIOS (Del, F2, F10, etc.)
2. Look for:
   • Onboard Devices
   • Integrated Peripherals
   • Wireless/WLAN
3. Ensure WiFi is Enabled
4. Save and exit

Test with USB WiFi Adapter

To determine if internal WiFi is dead:

1. Get a USB WiFi adapter ($15-30)
2. Plug it in
3. Let Windows install drivers
4. Check for networks

If USB adapter works, internal WiFi may have failed.

System File Repair

Run SFC and DISM

1. Command Prompt as Administrator
2. Run:

   sfc /scannow

3. Then:

   DISM /Online /Cleanup-Image /RestoreHealth

4. Restart and check

System Restore

Restore to when WiFi worked:

1. Search Create a restore point
2. Click System Restore
3. Select restore point before issue
4. Complete restore

Specific Scenarios

Networks Disappeared After Update

1. Uninstall recent Windows update
2. Or reinstall WiFi driver
3. Check if update disabled adapter

Can See Networks Sometimes

Intermittent issue:

• Likely driver problem
• Try older driver version
• Check for interference

See Networks But Can’t Connect

Different issue - WiFi discovery works:

• Check password
• Forget and reconnect
• See “Can’t connect to this network” guide

WiFi Can’t Find Any Networks? Our Dallas technicians diagnose WiFi discovery issues quickly. We determine if it’s driver, service, or hardware related.

Prevention

1. Create restore points regularly
2. Keep driver backups on USB
3. Don’t disable network services
4. Be careful with network “optimization” software

If WiFi trouble goes beyond this one error, our complete WiFi troubleshooting guide covers diagnosis from router to device, room by room.