Why Installing 2023 Secure Boot Certificates (manually) on HP Elitebook 840 G5 such a problem?


garlin said:
There's no newer BIOS. I dunno if your HP will allow the same BIOS to be reflashed again. Some BIOS'es don't support it (must be newer).
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HP will allow the same BIOS to be re-applied but wont allow you to downgrade the BIOS to a lower version.

i have just upgraded the BIOS on mine and my wifes systems
from H22 to H23 for my system (24ck x000)
and H32 to H33 on my wifes system (24ca x000)

once done there seems to be no way back to the older BIOS
both systems are running just fine with the new BIOS update.

best of luck Steve ..
 

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Hey Guys, I'm still dealing with this f30 error on my HP Elitebook 840 G5. I have abandoned the installing of 2023 certificates and just want to solve this problem. If any one have any concrete guidance to resolve this error. Please hit me up. I am able to boot into Windows, with Legacy and Secure boot supports disabled. Thanks in advanced.
 

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Your only hope is to follow some of the online hints on forcing your HP to reflash the same BIOS image again.

Usually you disable BitLocker first, download the spxxxxx.exe update file from HP, and run some Windows command-line or power-up key sequence to get it to read from an USB drive. I don't have this model, so my knowledge stops about there. The expectation is when it rewrites the BIOS, it won't save the currently corrupted NVRAM values in the same way it's done now. Which gets you out of the error mode.
 

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