Hi Robin,
so you want know to Disassemble guide for HP Pavilion Gaming (15) which is including LCD (display) replacement.
→ [https://www.youtube.com/watch?v=DjVoi04T820|Display disassembly video]
→ [https://www.youtube.com/watch?v=ts2TQiRyrng|Display panel disassembly video]
Or if you want other parts, let’s check [https://www.youtube.com/user/HPPrinterSupport/search?query=HP+gaming|Hp support with HP Gaming search result].