HP 470 G10 laptops with BIOS version F.06 were able to output at least 2560x1440 px resolution.
HP 470 G10 laptops after BIOS update versions F.07, F.08 or F.09 limit HDMI video resolution to 1920x1080 px.
In specifications it mentions HDMI v1.4b output:
https://support.hp.com/us-en/document/ish_7752053-7752108-16
HDMI v1.4b supports 3840 × 2160 px output.
HP 470 G10 laptops after BIOS update versions F.07, F.08 or F.09 do not conform to the specifications.
DO NOT UPDATE BIOS on these laptops as BIOS cannot be downgraded!
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