Now, I recognize that OpenGL functions on Photoshop is disabled, after initiate iGPU multi-monitor function.
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Hello, I'm wondering if the matrox triplehead2go supports openGL, in that case, It might be another option.
Thank you for your suggestion. I never had heard "the matrox triplehead2go" and it might be a good option, I think.
However, It's expensive for me.
Thanks for viewing this discussion.
Finally, I brok through this problem.
I show you how to do, in case of when you face to this problem.
The way to solve this problem is, simple, "buy a new GPU."
But, there is 1 important point, you should buy a same bland's GPU.
In my case, I have SAPPHIRE'S RADEON HD5670, and I bought SAPPHIRE'S RADEON HD 6450.
I think that Photoshop GPUsniffer was confused about GPU driver.
Because there were 2 drivers -- Radeon and Intel Graphics -- exist.
That's why Photoshop hang up.
For your reference,
Photoshop would only hang up like that if there was a bug in the driver that caused the hang.
Thank you for your reply.
You mean that if there were no bugs in the drivers, I can use Photoshop on a system which has intel Graphics driver and AMD Radeon driver, right?
I think that, I already wrote that, Photoshop's GPUsniffuer (which is introduced in here) confused in a setup, 2 graphic drivers existed.
The sniffer doesn't get confused - it checks all GPUs and all displays in the system.
But if the drivers don't work together, then it can cause problems.
And on some systems (especially laptops), automatic graphics switching can cause problems - because you start with the capabilities of one GPU, and then the system tries to switch to another (which rarely works).