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Need help on how to modify BIOS file
#1
Dear All

I bought a used Acer Aspire E1-431 which run on Insyde H20 BIOS. BIOS is locked with password or default password. Not sure. After hours of searching I found a way to change one bit of platform.ini configuration (Password=0 to Password=1) and flash BIOS to reset the password but the password did not go away. After hours of searching I realize that inside BIOS file itself contain built-in configuration same as platform.ini so I used Hex Editor to change one bit in BIOS file (Password=0 to Password=1) and flash it again. The computer restart and a message appear "InsydeH20 Secure Boot Error: Invalid firmware image". I don't get it how BIOS detect modified firmware file. How do I workaround this issue? I can't even boot from CD-ROM Drive. Any suggestion?
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#2
What was the file which you tried to patch by Hex Editor?
Have you a hardware programmer?
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#3
Please take a look at the original BIOS file below. How to modify it so password is removed and secure boot is disabled?


Attached Files
.zip   ZQS.zip (Size: 1.92 MB / Downloads: 3)
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#4
I think that password can be removed by hardware programmer only.
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