1.    17 Feb 2017 #1
    Join Date : Aug 2015
    Posts : 35
    Windows 10

    I have two display adapters showing...


    Looking at Display Adapters in Device Manager of my Thinkpad 540p laptop I see two display adapters listed, an Intel HD Graphics 4600 and an NVIDIA GeForce GT730M. The reason I was looking was that I am having some issues with some photo display software and it was suggested that hardware GPU acceleration could be the problem and I was checking that the drivers are up to date (they are). My question is: do I need both these adapters to be enabled? Could they be conflicting? I am hesitant to disable anything without asking advice first. Can I disable (say) the Intel adapter without seriously disabling my machine?
      My ComputerSystem Spec
  2.    17 Feb 2017 #2
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,205
    Windows 10 IoT

    It's referred to as switchable graphics. It's quit common these days on tablets and laptops. My ASUS laptop has an AMD Radeon HD 7660G and a 7670M. With the proper drivers installed the PC can switch between the two on the fly without you even noticing it. I can also manually set which one is used for certain programs if I want via Catalyst Control Center. You may be able to do the same with the software installed by the OEM. I don't have a similar system so I can't tell you where to look though. Once you find those settings try the NVidia and then the Intel to see which works best for that program. I think you can also set the NVidia to do everything, not 100% sure though. With any luck somebody that has that setup will chime in with better info.
      My ComputerSystem Spec
  3.    17 Feb 2017 #3
    Join Date : Aug 2015
    Posts : 35
    Windows 10
    Thread Starter

    Thank you. I'll search for the controller if there is one.
      My ComputerSystem Spec
  4.    17 Feb 2017 #4
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,205
    Windows 10 IoT

    By default it likely switches to the Intel when running on battery, to save power. Something else to keep in mind.
      My ComputerSystem Spec
  5.    17 Feb 2017 #5
    Join Date : Aug 2015
    Posts : 35
    Windows 10
    Thread Starter

    Yes, I'll bear that in mind. Thanks again.
      My ComputerSystem Spec
  6.    17 Feb 2017 #6
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,205
    Windows 10 IoT

    I don't game on my laptop so I just leave it at the defaults. And my desktop PC doesn't have switchable graphics.
      My ComputerSystem Spec
  7.    18 Feb 2017 #7
    Join Date : Aug 2015
    Posts : 35
    Windows 10
    Thread Starter

    After some searching I found that the NVIDIA control panel itself will allow one to specify the preferred adapter for individual programmes. By selecting the NVIDIA adapter for both my problem photo programmes the problem is solved. Thanks for the pointers.
      My ComputerSystem Spec
  8.    18 Feb 2017 #8
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,205
    Windows 10 IoT

    No problem, glad you got it sorted.
      My ComputerSystem Spec

 


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