Hey @A-Lochan,
Welcome to HP Forums and Thanks for the post.
I understand that you are unable to use the touchpad on your computer. Happy to help.
Kudos to you for trying to troubleshoot the issue on your own.
For me to be able to assist you. I request you to provide the product number and the operating system installed the computer.
Recommend you to run HP Support Assistant to make sure all the drivers updated. Click here for assistance.
You can also use HPSA to run diagnostics on the computer.
Review the steps suggested in Adjusting TouchPad or ClickPad pointing sensitivities , Turning all TouchPad gestures off and on and Troubleshooting when the TouchPad does not work in this article.
Try the steps suggested in the article as well. Provide the requested information for further assistance.
If the information I've provided was helpful,
Please give us some reinforcement by clicking the "Accepted Solution" and "Kudos" buttons,
That’ll help us and others see that we’ve got the answers!
Good Luck.
Chimney_83
I am an HP Employee