Refresh Rate Changing Itself at Random

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  1. Posts : 8
    Windows 10
       #21

    nIGHTmAYOR said:
    As a matter of fact I happen to understand perfectly , but you are not catching up , this thread started with an issue that the OP has fluctuating Hz even if he turns G-Sync off , when he turns it off and reboot as a result Optimus should activate , so like you see he has Optimus so your case is entirely different and needs its own thread .

    The switch setting should be available for all "Mobile" GPU chips not just some , if however your laptop comes with a "Desktop" GPU chip which is very rare you need to make sure you have sat up the "Desktop" driver not the "Mobile" one so that "Optimus" is deactivated permanently , so basically start a new thread and post your specs and installed driver so people can help you .

    Watch this to get an idea of what i am saying : YouTube
    I gave up about this matter ages ago, im on external monitor rn
    but my laptop is a mobile gpu and has no optimus so I really dont know what ur talking about, i would love to have optimus would save a lot of battery but sadly no.
      My Computer


  2. Posts : 821
    Windows 10
       #22

    Well basically since your GPU is mobile then it has Optimus , but the problem is they disable it in Bios (Source : regarding PH517-51-72NU and g-sync and optimus — Acer Community) , with no option to turn G-Sync off then Optimus will never activate .
    Then your solution may lay in removing the laptop driver and install the desktop driver despite having a mobile GPU since the main difference in both is Optimus support , this could stop handing out refresh rate management to external GPU that isn't there and keep everything handled by Nvidia control panel .
      My Computer


  3. Posts : 8
    Windows 10
       #23

    nIGHTmAYOR said:
    Well basically since your GPU is mobile then it has Optimus , but the problem is they disable it in Bios (Source : regarding PH517-51-72NU and g-sync and optimus — Acer Community) , with no option to turn G-Sync off then Optimus will never activate .
    Then your solution may lay in removing the laptop driver and install the desktop driver despite having a mobile GPU since the main difference in both is Optimus support , this could stop handing out refresh rate management to external GPU that isn't there and keep everything handled by Nvidia control panel .
    Just DDU'd my drivers and installed the desktop version, gonna need time to test.
    Thanks ton for the help means a lot.
      My Computer


 

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