How to Fix Lenovo Tiny M73
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Verify your network controller model (Intel, Broadcom, Realtek).
- Ensure the correct kext (e.g., AirportItlwm or BrcmPatchRAM) is loaded in your config.
- Clear network interfaces and reset NVRAM if changes don't apply.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
I had this running Catalina, then tried upgrading to Big Sur which kind of worked, wifi did not work.
Decided to reinstall Catalina and for some reason now I can't
No matter what I do, I cannot boot off the USB flash drive.
I reset the BIOS using the jumpers on the motherboard, rest to defaults in the BIOS a dozen times or more, nothing I do can get it to boot to the USB flash drive which I know works, I have used it to boot on another computer and it worked fine.
I am really at a loss as to what to do next.
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