To disable the touch screen, open Device Manager, find the listing for Human Interface Devices and expand it. Right-click HID-compliant touch screen and select Disable. Click Yes to confirm.
To restore the touch screen functionality, repeat these steps but select Enable instead of Disable.
We would like to encourage you to post a new topic in the community so our member will be able to help you as well, here is the link to post.
@djsailaway Greetings from the HP Community!
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Also, which program are you saving the file from?
Meanwhile, here's how it works on most programs that work on Windows 10:
Let me know how that pans out,
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If you're trying to disable the Touch Screen because of Ghost Touch, and the ghost touch is so bad that it doesn't allow you to use the mouse & keyboard properly, then there is another way, but your webcam will also be disabled.
Turn on the PC and keep tapping F10. Go to the Security tab and USB Ports. DISABLE the INTERNAL USB ports. This will disable the touch screen & webcam.
This will at least allow you to use the PC until you can arrange to get the touch screen fixed or your data off etc..