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‎06-29-2023 06:40 AM

HP Recommended
Product: HP ENVY x360 - 15t-bp100 CTO

Hello, 

 

I have updated the BIOS of my notebook, as recommended by HP to the latest version available.  The install completed uninterrupted, however upon restart I received the stop code  "Inaccessible Boot Device".  I have tried Windows + B to recover BIOS, which did not work.  I am currently attempting to install a previous BIOS version via USB, however I am encountering a number of setbacks.  For the oldest BIOS versions, the ''HP BIOS Update Utility' used to create a bootable flash drive does not load.  For the newer versions, I am able to create the bootable USB file through the HP BIOS Update Utility, however when I attempt to update in BIOS Management, I receive "The System BIOS update failed - Unable to open BIOS Signature file".  Any insights appreciated.  

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