Network Adapter Not Detected

Problem
The computer does not recognize its network adapter, preventing any network connection.

Symptoms

• No network adapter listed in Device Manager.

• "No Wi-Fi networks found" message.

• Ethernet port shows no activity lights.

• Network settings show no available adapters.

Possible Causes

• Network adapter disabled in Device Manager or BIOS.

• Outdated or corrupted driver.

• Physical hardware failure.

• Recent Windows update removing or disabling the adapter.

Resolution

Step 1
Check Device Manager to see if the adapter appears, even if disabled.

Step 2
Enable the adapter if it shows as disabled.

Step 3
Update or reinstall the network adapter driver.

Step 4
Check BIOS/UEFI settings to confirm the adapter isn't disabled at the hardware level.

Step 5
Restart the computer.

Step 6
Test an external USB network adapter to determine if the internal one has failed.

Prevention

• Avoid disabling network adapters unless necessary.

• Keep drivers updated.

• Back up driver settings before major Windows updates.

Related Articles

• No Internet Connection

• Driver Issues