Hi @mediaglyph,
Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
Please check this document and follow the steps to raise the warranty dispute:
https://support.hp.com/hk-en/document/ish_2534210-1364541-16
Also please refer to the below link to check the warranty status.
https://support.hp.com/in-en/check-warranty
I hope this helps.
Take care and have a good day.
Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.
Rachel571
HP Support