Insyde flash firmware tool dell

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After discovering this method through hours of trial and error, I tried this process on some Toshiba Satellite display models at a major retail store. Specifically this deals with a Toshiba Satellite C875D-S7105 laptop and INSYDEH2O BIOS but this method should work for similar circumstances and machines using the same BIOS but I make no promises. This is a simple step by step guide of a method to revert to an older version of InsydeH2O BIOS. HOW TO REGRESS or DOWNGRADE to older INSYDE BIOS

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