Device Manager: Open the Device Manager by right-clicking on the Start button and selecting "Device Manager" from the menu.Restart the Laptop: Sometimes, a simple restart can fix driver-related issues.Windows updates often include driver updates, which might resolve the issue automatically. Check for Windows Updates: Make sure your Windows operating system is up to date.To resolve this problem, you can try the following steps. If the HID (Human Interface Device) - Compliant Touch Screen driver is missing on your HP ENVY X360 Convertible Laptop PC, it can cause issues with the touch screen functionality. Thank you for posting your query, I will be glad to help you. Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet.DesignJet, Large Format Printers & Digital Press.Printing Errors or Lights & Stuck Print Jobs.Notebook Hardware and Upgrade Questions.and if I find something I will return with the answer. I sure would be disappointed if HP has released a BIOS update which just removed this device's Touch Capability. Also there is a factory sticker on the body of the laptop which says "Amazing clarity with an HD touchscreen." However when I look at Windows System info, it says "no pen or touchscreen." Unfortunately I did not check the System Test or System Info before I took the advice that had me run a BIOS Update. I assure you that I checked HP's Device Specs for this Laptop and it IS SUPPOSED TO HAVE A TOUCHSCREEN. I read the advice above to press F2 for a System Test, and his directions to have me go to Component Test - Touchscreen Test proves to be impossible because it is not there. I tried to have windows search for the driver online and it cannot find it. I'm referring to it that way because In my Device Monitor, it says Generic PnP Monitor driver is being used. Now when I go to the Driver Download page, there are no drivers for Touchscreen Monitor. My computer is an HP Pavilion - 15-au147cl and my touchscreen also is not working as of after the windows 10 upgrade.
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