@Joel1348
There are thousands of models/products called HP Notebook 15. What is your HP Notebook 15 ? Does it have Thunderbolt™ 3 port ? Not all USB-C ports are the same.
Please use the following way to find out the model/product of your machine
https://support.hp.com/us-en/document/c00033108
Please do NOT post its Serial number (s/n).
Regards.
Regards.
BH***
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