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07-18-2021 02:19 PM
I've changed the settings from legacy support disabled to secure boot enabled and I just get a Black screen after reboot.
No boot menu, and no chance to get into bios (Removing batterie does also not help).
To be honest, this is the second time this has happened to me.
I bought a new mainboard due to this error and I did not change any other settings.
07-19-2021 12:20 AM
I can't do anything because I see only a black screen 😞
Two Nvidia cards were tested with the same result > K5200 & M5000.
I think, I have the same problem like Airborne9521.
HP Z840 UEFI video BIOS nVidia K5200 - HP Support Community - 8107949
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