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- HP 470 G10 HDMI resolution stuck at 1080p

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05-08-2025 09:36 AM - edited 05-22-2025 04:29 PM
Hi,
I have a HP 470 G10 notebook connected via HDMI to external monitor ASUS PG279Q 2560 x 1440, latest Intel Iris XE drivers installed.
After BIOS update to F.09 native screen resolution for my second monitor 2560 x 1440 no longer appears as an option in display settings.
Instead, 1920x1080 appears as highest and recommended resolution. ASUS PG279Q works perfectly on the HDMI output of my HP Pavilion Gaming 15-dk0006nm.
I have :
Tried Win+B procedure with USB Recovery created by BIOS F.06 executable (sp151481) because Update BIOS option is grayed out
Re-installed all of the Intel drivers - Graphics and Chipset
Re-installed OS
Installed Windows 10 to try with it
Installed Ubuntu 25 to try with it
I believe BIOS roll back to F.06 would solve this really disturbing issue, or, even better, new BIOS version which addresses this issue.
Thank you in advance for your help,
Mladen
P.S.
Logbook May 14, 2025 : Still no signs of life on HP Support planet!
Logbook May 19, 2025: HP support, is everything OK? Like it's not enough HP has mutilated its 470 17" ProBook series making it non Pro Book, but to further devastate it with corrupted BIOSes, come on, really! HP, please, 470 G10 desperately needs new BIOS, this time without culprits!
P.P.S.
It's nice to have Enhanced Security BIOSes, but it's more important to have HDMI output working like it's supposed to!
Logbook May 23, 2025: HP Support is playing dead! I wouldn't have expected that from them 😞 HP intentionally downgraded HDMI output and won't release a proper BIOS to restore the functionality of HDMI output regarding resolution. On my next purchase I'm going with Lenovo or Asus.
05-09-2025 04:12 AM - edited 05-09-2025 12:07 PM
System Board ID is 8BBA and BIOS F.06 on HP 470 G10 support page doesn't include a valid file for that board, although there is 08bba.bin file.
I seem to have the same problem already discussed in topic
05-09-2025 03:15 PM
Update:
I missed to read the side note for BIOS F.09 saying:
PREREQUISITES: - Due to security updates installed by this BIOS update, previous BIOS versions cannot be reinstalled after this BIOS update is run.
Now I can release myself of torment and SCREAM:
HP SUPPORT, please, please, pretty please, do your best to release asap a new BIOS which resolves this horrible annoyance with HDMI output resolution.