Why not HP BIOS UEFI diagnostics unable to offer touchscreen test to display pass/fail/detect

[KLund1]

HP Envy TouchSmart 4-1115dx Touchscreen dose not work. No driver hiden in Device Manager.

HP BIOS Diagnostics dose not offer/show a test for touch. See second thread below for pictures near the end.

I started a thread here but got limited help with some generic replies seen in many threads. see this thread

https://h30434.www3.hp.com/t5/Notebook-Video-Display-and-Touch/HP-Envy-4-1115dx-NO-TOUCH-in-Win10-am...

I got more help at the thread below, but got stuck there after a lot of help offered, and they suggested going back here.

https://www.tenforums.com/drivers-hardware/124873-hp-envy-touchsmart-4-1115dx-no-touch-win10-w-ssd-2...

Thanks for reading

[Echo_Lake]

@KLund1

Thank you for posting on the HP Support Community.

I see that you're unable to test the touchscreen due to lack of option in bios,
Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details:

• Have you made any hardware/software changes?
• Have you tried any troubleshooting steps?
• What is the exact issue with the display?

While you respond to that, I recommend you to perform the following steps to isolate the issue and arrive at a fix:
 

Use the HP PC Hardware Diagnostics UEFI tests to detect problems with the touch screen hardware: Click here

[KLund1]

Thanks for the reply. Please read the threads above for all the extensive testing already done, including what you have listed. Plus answers to all your questions.

[Echo_Lake]

@KLund1

Thank you for posting back. 

As you've performed relevant troubleshooting steps and the issue persists, this sounds like hardware related issue, Hence, I would request you to contact our Phone Support and our Support Engineers should be able to sort this out.

HP Support can be reached by clicking on the following link:

• Click on this link – www.hp.com/contacthp/
• Select the product type.
• Enter the serial number of your device or select let HP detect your product option.
• Select the country from the drop-down.

You should see the HP phone support number or Chat option listed.