Why is the touchscreen not responding?
The touchscreen is either not responding accurately, or not responding at all to touch. I am not sure if it is just out of sync, or if it is something more serious.
If you are having problems with the touchscreen, please visit the "Touchscreen Responding Inaccurately" header on the troubleshooting page: HP Envy 23-d060 qd TouchSmart Troubleshooting.
If problems still exist after checking all available options, either reference the HP Troubleshooting page at the bottom of this device page, or contact HP directly.
You may have turned it off. Maybe not on purpose. Generally you have to push a function button. For example mine Is function f7
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