Method 1. Turn Off Filter Keys to Fix Windows 10 Anniversary Update. After installing the Windows 10 Anniversary Update, then the keyboard goes completely dead and can’t type anything anywhere. The blue light is on, but all keys are not functioning. If you experience the same symptom, you could follow these steps to resolve the Windows 10 Anniversary Update keyboard not working problem.
Step 1. Click Start and then click Settings
Step 2. Click on Ease of access
Step 3. Click Keyboard in the left pane
Step 4. Turn off Filter Keys in the right pane
Method 2. Update the Keyboard Driver to Fix Keyboard Not Working after Windows 10 Anniversary Update
There is high possibility that the outdated keyboard driver that causes your keyboard not working after the Windows 10 Anniversary Update. Your system is upgraded, but your keyboard driver can’t be upgraded automatically. The driver incompatibility triggers the issue.
