Can I disable Intel graphics and use Nvidia graphics?


👤 Diwas Poudel    🕒 Dec 4 2022    📁 TECH

I have a PC with integrated Intel graphics and a dedicated Nvidia graphics card. When I look at the task manager, I notice that the majority of the applications use Intel Graphics rather than Nvidia. And I've decided to utilize Nvidia for some applications and games or to disable Intel Graphics entirely. If you find yourself in this situation, ourtechroom will advise you on whether to disable it or not and what happens if you disable it.

First, let us define Integrated Graphics and Dedicated 

Integrated Graphics

Integrated Graphics (GPU) is a grouping of integrated graphics processors that are built on the same package or die as the CPU. If you have an Intel Processor, Intel Graphics are now available in the same die or packaging as the Processor.

Both the Intel Processor and the Intel Graphics use the same physical memory in this situation (RAM).

Dedicated Graphics

A dedicated graphics card, often known as discrete graphics, is a piece of hardware used by computers to manage and render visuals. They have their own dedicated memory.

How to check available graphics in a computer system?

Simply open task manager and browse to the Performance tab, where you will find GPU 0 and GPU 1 if you have two GPUs. If you only have one, you will only have GPU 0. In my case, I have two processors Intel Graphics and Nvidia Graphics representing GPU0 and GPU1.

Two graphics in my laptop
fig. Two graphics in my laptop

Do I need other Graphics?

Integrated graphics are sufficient for the operation of normal day-to-day applications, and we do not require dedicated graphics at this time intel Graphics which is integrated can handle it. However, if you play video games and create 3D models, these activities require a significant amount of bandwidth; therefore, a dedicated graphics processing unit (GPU) such as Nvidia may be advantageous because it can handle textures and geometry independently.

If you play high-graphics games and applications, which take a lot of bandwidth, you should utilize integrated graphics instead.

Can I disable Intel Graphics over Nvidia in PC?

If you turn off Intel or assign a game to use the Nvidia GPU, the game will render one entire frame on the Nvidia GPU, as well as process it and other related tasks.The completed frame is then transferred to the Intel GPU, which is ultimately responsible for displaying it on your screen. Therefore, the Intel GPU will continue to function normally even when a game is using the Nvidia GPU.

When you disable Intel Graphics and have Nvidia connected to the motherboard but have not connected the monitor to the graphics card, you will see no display or no signal messages on the monitor.

So the solution is to connect the Dedicated Graphics Port to the monitor and then restart the PC; but, if you get the same no display error message, you must do something else as described below.

You should bear in mind that if you have specified Intel as your primary graphics driver in BIOS, this information is also preserved in CMOS and is retained even if you restart your computer. So the first step is to clear the CMOS information. So the steps are as follows:

  1. Simply shut down the computer and unplug the power cord.
  2. Remove the motherboard CMOS battery.
  3. Wait for 5 minutes. Now reinsert the CMOS in the motherboard
  4. Next, connect the Dedicated Graphics port to the monitor port,
  5. Next, connect the power cord to the power supply, and restart your computer.

Now if you get the display then it means the connection between dedicated graphics and the monitor is successful.

If the above steps do not work for you then you can try another method explained below.

  1. Remove GPU
  2. Connect the monitor to the appropriate connector on the motherboard
  3. Turn on the computer
  4. Press Ctrl + R to open Run Window.
  5. Type devmgmt.msc and press Enter. This will open the device manager
    Open Device Manager
    fig. Open Device Manager
  6. Next search for "display adaptors.", expand it and then select integrated graphics driver, right-click on it and then uninstall. In my case Intel Graphics
    Uninstall graphics
    fig. Uninstall graphics
  7. Select the checkbox next to "delete the driver software," and then uninstall it
  8. After you have completed the uninstallation, it will then restart your computer.
  9. Shut down your PC.
  10. Unplug your computer and any other power hogs.
  11. Install the dedicated GPU again, and plug the monitor into the port of the dedicated GPU.
  12. Plug in the power and restart the computer.

What happens if you disable Intel HD Graphics?

If you do not have a dedicated graphics card, then Integrated graphics is your VGA driver and is responsible for displaying images on your monitor. If you do not have a dedicated graphics card, then do not disable Intel Graphics.

Your display will revert to the worst possible drivers, which are the generic Microsoft vga drivers.You also won't get the transition effects of Windows OS, and you won't get the aero peek effect either. You won't be able to alter the brightness.

If you turned off Intel UHD Graphics Drivers, then the Intel Audio Driver might become problematic. You could notice in Device Manager that the "Intel High definition Audio" driver is missing. There is a possibility that your computer will restart multiple times.

If you have your computer's primary graphics chip turned off, the screen will immediately become completely black. This problem arises as a result of the inactivity of the hardware that is responsible for transferring visual data to your screen. You won't be able to connect it with HDMI, and if you try to install software that demands a minimum amount of graphics utilization, even that software won't install properly for you. You'll run into a lot of other problems as well. In my situation, the USB port is malfunctioning as well.

If you are facing problem loading certain games and application in Intel Graphics then you can simply switch these application to load from Nvidia using Nvidia Control panel.

In my case I am using Laptop having both Intel and Nvidia 

Assign Application and Games to Nvidia settings

Steps are as follows:

  1. Right click on Desktop and select Nvidia Control Panel
    Open Nvidia Control Panel
    fig. Open Nvidia Control Panel

     

  2. Click on Manage 3D Settings
  3. Click on Program Settings
  4. Under "1. Select a program to customize:" Choose the games and application you want to load using Nvidia Graphics
  5. Then under "2. Select the preferred graphics processor for this program:"Choose "High-performance Nvidia processor."
  6. Next click on Apply.
    Run Application and Games using Nvidia Graphics
    fig. Run Application and Games using Nvidia Graphics

     

  7. Repeats the same for other games and application.
  8. Restart your Computer

How to Disable Intel Graphics ?

I am assuming you have other graphics like Nvidia installed on your machine. If then you can try below steps for disabling Intel Graphics.

  1. Navigate to your device manager by going to run, typing devmgmt.msc, and then pressing the Enter key.
  2. Select "Display Adapters" from the menu that drops down next to it.
  3. Select "Properties" from the context menu of your Intel UHD graphics.
  4. Click device properties
  5. Then select "Disable Device" from the menu.

What happens if a laptop's graphics card fails to function?

Simply said, you will not be able to use that laptop, unless it is a model that comes with two graphics processing units; in that case, you should be able to use it in the majority of circumstances with little or no additional configuration.

If one of the GPUs dies, the other can take over, just like if you had an integrated as well as a dedicated graphics card on your desktop computer, with the exception that you won't need to swap cables and it will typically happen automatically.

Conclusion:

My advice is not to disable the Intel graphics; instead, switch the required apps and games to use Nvidia graphics.

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