eGPU detected but not used [Catalina, mbp 2015 13" , Sonnet 550, AMX 580 8gb]
 
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eGPU detected but not used [Catalina, mbp 2015 13" , Sonnet 550, AMX 580 8gb]  

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(@chedly_bourguiba)
New Member
Joined: 2 months ago
 

Hi all,

Short time lurker, first-time poster. Recently I decided to get an egpu for MacBook Pro (Retina, 13-inch, Early 2015) running on Catalina 10.15.1 with an internal graphic card Intel Iris Graphics 6100 1536 MB.

I went with a built that has been proven to work:

- Sonnet Box 550

- AMD rx 580 xfx 8gb

- TB 3 to TB 2 Apple adapter and Apple TB2 cable.

 

I tried two methods:

- the purge-wrangler script

- the automate-egpu-efi (I made sure to choose Nvidia and add the Catalina workaround)

 

In both cases, the egpu is detected but no app uses it even though I used the set-egpu script. I tried with a video projector as an external display still no egpu activity. 

For reference, the about this mac shows the integrated graphic card.

I went through the troubleshooting guides and couldn't find a solution that works.

My questions are:

- Am I missing a step? How to make it work on the video projector?

- Is it possible to use the egpu with the internal display only? 

Relevant screenshots:

- https://imgur.com/8HDVHPF

- https://imgur.com/wADQkM7

- https://imgur.com/ig6krYh

Thank you in advance for your precious help!

Best

 

 

 

This topic was modified 2 months ago

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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