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    Turning off/Undervolting the iGPU?

    Discussion in '2015+ Alienware 13 / 15 / 17' started by Kronephon, Nov 13, 2016.

  1. Kronephon

    Kronephon Notebook Guru

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    Hey everyone, I have a 15 with the 120Hz and supposedly the iGPU is never used in lieu of the dGPU over an g-sync issue. When undervolting the cpu is there any reason why I shouldn't just use the minimal setting for the iGPU voltage? thanks
     
    Kronephon, Nov 13, 2016
    #1
  2. Mobius 1

    Mobius 1 Notebook Nobel Laureate

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    You can try putting the iGPU to -500mv on throttlestop and see if your laptop will crash.


    The problem is that iGPU is still active for the thunderbolt gpu output, not really sure if the iGPU is active if you have no display plugged into this port
     
    Mobius 1, Nov 13, 2016
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  3. Kronephon

    Kronephon Notebook Guru

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    Didn't crash but there really should be an option to disable it.
     
    Kronephon, Nov 14, 2016
    #3