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20.1 Legacy Series / Re: USB i386 VGA Build Key GPT Error
« on: May 03, 2020, 09:09:37 pm »
I ran into the same exact problem this weekend.
Here's the thread that describes the real issue:
https://forum.opnsense.org/index.php?topic=5121.msg21207#msg21207
Thanks to FlakStapper's post, I was able to repair my USB image using HxD Hex Editor. I found that if I opened the USB drive and the Image file side by side, Sector #2 on the thumb drive had been changed by Windows. All I did to "repair" my USB thumb drive was to copy Sector 2 from the image, and overwrite Sector #2 on my USB thumb drive.
After that, the thumb drive booted right up without the dreaded error message:
"gptboot: primary GPT table checksum mismatch"
Hopefully Franco or one of the other devs can fix this issue in the 32 bit images like they did for the 64 bit ones.
Here's the thread that describes the real issue:
https://forum.opnsense.org/index.php?topic=5121.msg21207#msg21207
Thanks to FlakStapper's post, I was able to repair my USB image using HxD Hex Editor. I found that if I opened the USB drive and the Image file side by side, Sector #2 on the thumb drive had been changed by Windows. All I did to "repair" my USB thumb drive was to copy Sector 2 from the image, and overwrite Sector #2 on my USB thumb drive.
After that, the thumb drive booted right up without the dreaded error message:
"gptboot: primary GPT table checksum mismatch"
Hopefully Franco or one of the other devs can fix this issue in the 32 bit images like they did for the 64 bit ones.