Inspect a laptop BIOS dump for hidden menu checks
A Reddit user had Claude Code analyze a BIOS dump, patch the signature gate, and expose hidden firmware settings after flashing the edited file.
- What they did
- A Reddit user handed Claude Code a raw BIOS image from their own laptop and asked it to find a way into the concealed firmware menus. The agent broke down the binary, located the RSA-based verification routine, and changed that check so it would pass every time. The owner then wrote the edited firmware back to the machine themselves.
- How it went
- After the flash, the hidden setup options became available. The account is secondhand and does not include the laptop model, the exact prompts, or how long the process took.
- Tips
- Firmware changes can brick a device, especially if the signature check is bypassed. Before trying anything, confirm you have a backup and a recovery path.
Try it yourself with Claude Code
I own a [laptop model] and have a BIOS/firmware dump saved at [file path]. Please analyze a copy of it to identify how the firmware menus are locked, locate any signature-verification logic, and suggest a patch that would expose the hidden settings. Do not flash or modify the original file yet. Show your findings, the proposed change, and the risks/recovery steps first, then pause and ask me to approve before any irreversible action.
Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.
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