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HP Recommended
ProBook 6570b
Microsoft Windows 7 (64-bit)

serial port RS232 not working after BIOS update from F68 to F74, it is possible to rollback the BIOS?

1 REPLY 1
HP Recommended

Hello @YO3MTZ 

 

Thank you for posting in the HP Support Community.

 

You can read the instructions here in the official HP article - try all the options available >> https://support.hp.com/nz-en/document/c02693833

 

 

Let me know how it goes - include as many details as possible.

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