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harisharis
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inspiron 7559 4K display (16GB ram, 960m GPU )

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hi, how can I disable the graphics card auto switch (from onboard to dedicated)

I want to use only the dedicated GPU (NVidia 960m) on my laptop.

thanks in advance

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ejn63
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RE: inspiron 7559 4K display (16GB ram, 960m GPU )

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Check the system setup for an option to disable optimus.  If it's there, you can do that.  If it's not there, you have a muxless system that's software controlled and the integrated GPU cannot be disabled.

F2 at powerup.

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harisharis
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RE: inspiron 7559 4K display (16GB ram, 960m GPU )

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thanks for the advise, could not find optimus, so went to bios via F2 but bios options do not include display adapter at all.

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ejn63
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RE: inspiron 7559 4K display (16GB ram, 960m GPU )

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If that's the case (as is common with Insprons), this system is software-controlled - the Intel GPU alone has a connection to the screen and handles all video data -- even if it's processed through the nVidia GPU.  You cannot disable the Intel GPU nor make the nVidia GPU the primary one - the hardware is wired such that the nVidia GPU is a co-processor - not a true discrete GPU.

harisharis
Bronze

RE: inspiron 7559 4K display (16GB ram, 960m GPU )

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thank you sir.

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