Question USB External Monitor forces MacBook Pro to use integrated GPU

nutstae

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Apr 5, 2010
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Hi Everyone

I've recently purchased Asus mb16ac (portable external monitor that only uses USB C for both data transfer + power)
The issue is it forces my MacBook Pro to use the integrated graphic card ONLY & ALWAYS, and the "automatic GPU switch" isn't working no matter what app I am using.

Since I am a graphic designer, this is a huge problem since apps like Photoshop is designed to use the other dedicated GPU (radeon).

when I don't use the external monitor, the performance tab in Photoshop pref shows that it detects Radeon as my dedicated graphic card,
but when I am connected to the external monitor(USB 3.0 to USB C to the monitor), it shows that the intel integrated graphic is shown as my detected graphic card and it makes the photoshop incredibly slow.

Can this be fixed in any way? or is this inevitable with USB External Monitors?

Thank you
 

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