On screen keyboard not working after latest Windows 10 update

[HLR4]

My model name is HP Envy Rove 20 Mobile AiOPC

[Raj1788]

@HLR4

Welcome to HP Forums, 

This is a great place to get support, find answers and tips to your technical queries.

To provide you with an accurate solution, I'll need a few more details:

Have you attempted to work with an external keyboard?

Have you tried Performing a Hard Reset or Forced Reset?

While you respond to that, I recommend using the F11 during the restart, if the mouse works on that screen,

Initiate a system restore to an earlier date it had been working,

If the issue persists, perform a system refresh to reset the windows settings: Click here for instructions.

The last option would be to reinstall the windows using the factory shipped image (OEM) if you used the recovery manager before and yet the issue persists, you may want to get a recovery media from HP: Click here for details.

Keep me posted, how it goes!

If the information I've provided was helpful, give us some reinforcement by clicking the Accepted Solution and Kudos buttons, that'll help us and others see that we've got the answers!

Have a great day!

Cheers:)