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- Bios failed to update on ProBook 650g1 - solution offered

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09-17-2020 02:59 AM
The recent BIOS update sp102455.exe for 01.50 failed to install as had all the upgrades since 01.43.
After considerable frustration it appears to be a faulty sp package.
What works is -
Work through the BIOS UPDATE process from local media in the BIOS component of the ProBook.
Run spxxxxxxx.exe install file and use the option to set up a Recovery USB and then alter the file positions on that device.
Need to adjust the files on the USB so that it works
Hewlett-Packard\BIOS\New
moved the file L77_0150.bin into this folder [it was empty]
This file is found in the \Current folder with the current BIOS bin file.
Hewlett-Packard\BIOSUpdate
check that HPBiosUpdate.efi is in this folder [this is the update utility]
check that HPBiosUpdate.s12 is in this folder [this is the signature file]
Place the modified Recovery USB into a USB port
Restart ProBook
Use the Escape key to enter the setup utility; then the F2 key; then the BiosUpgrade using local media.
Works well after the accept choice. No problems.
Clues for this approach were in the advice section of the BIOS update using local media.
