How to Fix Lenovo Tiny M73

By Freirburro
0

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

  1. Verify your network controller model (Intel, Broadcom, Realtek).
  2. Ensure the correct kext (e.g., AirportItlwm or BrcmPatchRAM) is loaded in your config.
  3. 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.

submitted by /u/datahoarderguy70
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