12.0.4 Does not Invoke Discrete GPU in MacBook Pro 6,2

If I open the Photoshop Preferences window, it will switch to the NVIDIA GPU, but since the 12.0.4 update, it no longer switches upon launch.
I've deleted the photoshop.plist and Photoshop settings files with no success.

Adam,
I hope this is what you asked for:
Adobe Photoshop Version: 12.0.4 (12.0.4x20110407 [20110407.r.1265 2011/04/07:02:00:00 cutoff; r branch]) x64
Operating System: Mac OS 10.6.7
System architecture: Intel CPU Family:6, Model:37, Stepping:2 with MMX, SSE Integer, SSE FP, SSE2, SSE3, SSE4.1, SSE4.2, HyperThreading
Physical processor count: 2
Logical processor count: 4
Processor speed: 2660 MHz
Built-in memory: 8192 MB
Free memory: 5072 MB
Memory available to Photoshop: 7441 MB
Memory used by Photoshop: 71 %
Image tile size: 128K
Image cache levels: 4
OpenGL Drawing: Enabled.
OpenGL Drawing Mode: Normal
OpenGL Allow Normal Mode: True.
OpenGL Allow Advanced Mode: False.
OpenGL Crash File: Not Detected.
OpenGL Allow Old GPUs: Not Detected.
OpenGL Version: 2.1 NVIDIA-1.6.26
Video Card Vendor: NVIDIA Corporation
Video Card Renderer: NVIDIA GeForce GT 330M OpenGL Engine
Display: 1
Main Display
Display Depth:= 32
Display Bounds:= top: 0, left: 0, bottom: 1050, right: 1680
Video Renderer ID: 16918034
Video Card Memory: 493 MB

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Hy there,
you can try it with this entry (gfxcardstatus) in the wiki if and only if you have OS X on a bootable device!
https://wiki.archlinux.org/index.php/MacBookPro10,x
I did that on my MBP early 2011 with the defekt AMD / ATI card and it works great!
BUT ATTENTION you need the 2.2.1 Version of that program!!!!!
Earlyer or later versions WONT work!!!
Here you go: https://software.com/mac/apps/gfxcardstatus/2.2.1
Hope that helps in the first place (i know it is quick and dirty....but it works)
P.S. if you want t know the status of the GPU's you can do it with that : cat /sys/kernel/debug/vgaswitcheroo/switch
comes from the ubuntu wiki: https://help.ubuntu.com/community/Hybri … switcheroo
Let us know how it works
SunBey
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