Welcome to the HP Forums 🙂 I would like to take a moment and thank you for using this forum, it is a great place to find answers. For you to have the best experience on the HP forum, you could also visit our HP Forums Guide for First Time Here? Learn How to Post and More. I see from your post you are having issues related to your HP Slate 10. Don't worry I'll be glad to help you.
To provide you with an accurate solution, I'll need a few more details:
What exactly seems to be the issue with the tablet? Is it not booting.
Have you tried to perform a factory reset on the tablet?
In the meantime, let's try these steps here:
Perform a Hard reset on the tablet:
A hard reboot can resolve many startup issues. Press and hold the power button for more than eight seconds. After the tablet fully shuts down, wait a few seconds, and then press the power button to turn on the tablet.
Here's the software and driver download page, on this screen, please select the Operating system as Android and then select the version and then you will need to select the correct file - Click here for the link.