How to Fix [Success] Lenovo ThinkCentre m90q - i7-10700 - IGPU

How to Fix [Success] Lenovo ThinkCentre m90q - i7-10700 - IGPU

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:

August 29, 2021: I always used the computer with bluetooth headset. Today I noticed 2 things about the audio. Quality is terrible on speaker with Audio ID 3, but is good with ID 28. However, I must reboot/sleep to switch between internal speaker or aux audio because it's like it doesn't notice i'm connecting or disconnecting a device. I also noticed I do not have Display Port Audio either.

Hi,

I just wanted to report that I successfully installed Big Sur on the Lenovo ThinkCentre...

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Author: jamesst20