Switchable graphics: is it possible to use the GPU Radeon ONLY?

Hi all

I have two laptops: one is a Latitude E6420 and the other an Inspiron 14 Intel N4050.

Both have switchable graphics; NVIDIA Optimus on the E6420 and Radeon on the N4050.

I'm on Windows 7 Professional 64 - bit genuine on both machines.

With the E6420, if I choose, I can either affect the GPU discreet default one or can I just go into the BIOS and disable Optimus, which makes the machine run only on the dedicated graphics card (I normally do, since I'm almost never far from an outlet.)

Unfortunately, I have no such control with the N4050. I wonder if there's a similar way to disable shared Intel GPU on the N4050 in order to force him to run only on the Radeon graphics cards. There seems to be no way to do it via the BIOS, and I think that the deactivation of the GPU from Intel in Device Manager is not a good idea. I know I can control which GPU crosses where the Switchable Graphics method in Catalyst Control Center, but this function appears not yet to disable completely the shared GPU (which seems to take when running on battery - there is no apparent way to say with certainty what GPU no is used).

Thanks in advance; your help is greatly appreciated.

The answer is no, it's not.  The AMD GPU has no connection with the display device - all video data through the GPU on Board of the Intel processor.

You cannot disable the on-CPU GPU - if you do, you will get no display at all.

Tags: Dell Laptop

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