Touch screen not working

[JennyTalia]

I have purchased a second hand Envy 17 laptop. Once I have reainstalled the Windows I have realised that the touch screen is not working. There is no HID devices suggesting that it is equiped with the touchscreen. I have installed all of the updates and even BIOS. 

It does not work in BIOS either.

[Echo_Lake]

@JennyTalia

Thank you for posting on HP Support Community.

Don't worry as I'll be glad to help, I have a few troubleshooting steps we could try to fix the issue:  

Firstly, perform Windows Update and HP Support Assistant: (do not skip any troubleshooting steps if you feel steps are repeating) 

To check for updates now, select the Start button, and then go to Settings  > Update & security  > Windows Update, and select Check for updates.

Install updates from HP Support Assistant: Go to Download HP Support Assistant to install the tool.

1. To open HP Support Assistant, double-click the HP Support Assistant icon .
2. Click My devices in the top menu, and then click Updates in the My PC or My notebook pane.
3. Click Check for updates and messages to scan for new updates.
4. Review the list of updates. Updates with a yellow information icon are recommended. Updates with a blue information icon are optional.
5. Click the update name for a description, version number, and file size.
6. Select the box next to any updates you want to install, and then click Download and install.

If the issue persists continue with these steps:

System Restore returns your computer to the files and settings from the restore point. Your personal files and documents are not affected.

You can also undo a System Restore if the restore does not resolve the issue or if the issue becomes worse.

Click here: https://support.hp.com/in-en/document/c03327545

Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.