This article explains how to troubleshoot issues with Windows 10 On-Screen Keyboard not working

1. Check Windows Updates

• Make sure your Operating System is up to date with all updates and patches: Windows 10 Updates

2. Invoke the On-Screen Keyboard: 

• Press the following keys on a connected keyboard: Win + Ctrl + O, this should activate the On-Screen Keyboard.

3. Enable On-Screen Keyboard

• Check if you have enabled the On-Screen keyboard in the Ease of Access settings.
• Right click on the Windows Start button then choose Settings then Ease of Access.
• Enable the switch to Use the On-Screen Keyboard.

4. Check to see if Tablet Mode is ON.

• With a physical keyboard connected, press: Win + I to bring up Windows Settings.
• Click on System

• Click Tablet, then click "Change additional tablet settings"

• Under Tablet Mode, move slider to ON

See related articles:

• How do I enable the On-Screen Keyboard for my Elo device?
• How do I enable the on-screen keyboard in Windows 10 to appear when I select an open field?
• Where can I find information about the Elo Virtual Keyboard?
• How do I fix the virtual keyboard not appearing in an RDP session on Windows 10?
• Is there an onscreen keyboard for Mac systems?
• How do I change the virtual keyboard settings on my Elo Android device?