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Enabling Discrete GPU on 2011 Mac Mini and MacBook Pro with Sonoma and OpenCore

Guide:

Understanding the Challenge:**
- You've successfully installed Sonoma on a 2011 Mac Mini and a MacBook Pro.
- The issue is enabling the discrete AMD HD6750m GPU on the MacBook Pro, as it defaults to the integrated 512MB GPU.

Step-by-Step Solution:**

1. Check OpenCore Configuration:**
   - Ensure you're using the latest version of OpenCore.
   - Review your `config.plist` to ensure it's correctly configured for your MacBook Pro's hardware.

2. Graphics Settings in OpenCore:**
   - In `config.plist`, under `DeviceProperties`, add or modify entries related to your AMD GPU. You might need to specify the correct framebuffer and device ID for the HD6750m.
   - Ensure that the integrated GPU is not disabled in the configuration unless it's necessary for your setup.

3. SSDT and DSDT Patching:**
   - For advanced GPU issues, ACPI patching through SSDT or DSDT might be necessary. This can be complex and requires a good understanding of your machine's ACPI tables.
   - Investigate if there are any existing patches for the 2011 MacBook Pro that address GPU switching issues.

4. macOS System Preferences:**
   - In System Preferences, check the Energy Saver settings. Sometimes, the option to switch graphics cards is available here.
   - If available, toggle the settings to prefer the discrete GPU.

5. Checking for Firmware Limitations:**
   - Some 2011 MacBook Pro models have firmware limitations that might prevent


Successfully installed Sonoma on 2011 Mac Mini and MacBook Pro, but can’t get non discreet GPU working with Opencore

Successfully installed Sonoma on 2011 Mac Mini and MacBook Pro, but can’t get non discreet GPU working with Opencore

As the title says, I managed to get Sonoma installed using Opencore, but the MacBook has a 1GB AMD HD6750m I’d rather use than the 512mb default setting (the macmini only has 512mb and I use it as a Plex server, so I dont care about its limitations). On both I used the latest Opencore and patched 1.3.0 and it still won’t switch to it when I change the setting in battery options. So, what else could it be? Any help would be great! Thanks!

Sonoma installed successfully: MacMini 2011 i7 16GB DDR3 500GB SSD MacBook Pro 17” 2011 i7 16GB DDR3 600GB SSD

submitted by /u/SFBullitt4
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