@Promethius0071
Pavillion 15ec1008ec is an invalid model/product. Is it an HP Pavilion - 15-ec1008ca machine ? Its specs
https://support.hp.com/au-en/document/c06655456
Its HDMI 2.0 supporting up to 4096 × 2160 at 60 Hz.
Your monitor should work
Regards.
BH***
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