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‎07-20-2020 03:07 AM

HP Recommended
Product: HP 255 G7

Following the HP support page on a boot problem eventually caused by error 0502 in syslog, I tried to update the BIOS (from F21 to F22), but I didn't find the option "Firmware-Update" as mentioned in the respective HP support document. I then followed the instruction in this thread: https://h30434.www3.hp.com/t5/Notebook-Hardware-and-Upgrade-Questions/Update-BIOS-via-USB-No-firmwar... and downloaded the HP Diagnostic UEFI tool, created a UEFI USB stick and started the tool. But if I select any of the BiosUpdate options it says always "The selected boot device failed". 
I cannot use the new laptop as it has no OS preinstalled and the installation media cannot boot due to the mentioned error. Is there anything else I can do?

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‎07-20-2020 07:58 AM - edited ‎07-20-2020 08:01 AM

HP Recommended

http://support.hp.com/us-en/document/c02693833

 

Error 0502 is a BIOS checksum error.

 

Follow the instruction contained in the document at the link above to recover the BIOS.

 

If that fails to recover your BIOS, then I recommend contacting the vendor you purchased the notebook to arrange for its replacement.

 

 

 


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