How to switch between notebook dual graphics cards

How to switch between notebook dual graphics cards
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I use Lenovo laptop, and the graphics card is NVIDIA's GT540M graphics card. I didn't find the hot key for dual graphics card switching between independent graphics card and integrated graphics card in the explanation. I want to know how to quickly switch graphics cards and run 3D programs View All

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The driver needs to be installed, which can be switched automatically. The computer will choose the appropriate graphics card, which will work well. Of course, it can also be set manually
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This can be switched automatically. The computer will select the appropriate graphics card, which will work well. Of course, it can also be set manually
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Due to the consideration of power consumption and heating, many laptops are equipped with dual graphics cards, which can achieve low power consumption and high-performance conversion through switching. If users work in desktop mode, they can switch to Intel * N * processor or AMD APU processor integrated graphics card to load extremely low graphics pressure on the desktop. If they start playing 3D games, they can switch to independent graphics card to enjoy a smooth gaming experience. This is the advantage of dual video card switching. No matter NVIDIA&AMD's graphics card technology, it can automatically and quickly switch the output of different graphics cards without restarting the computer, and only supports the Windows VISTA/7 system. Generally, the switching operation of independent video card can be realized in the video card drive control panel. Nvidia's dual video card switching settings: the optimus technology developed by NVIDIA does not require user intervention. The system will automatically judge the current task, and then select the video card to execute the task. Of course, if the driver cannot correctly identify, or some programs do not need to use a separate graphics card, but the user can also manually set the program to use a separate graphics card to run, but this will increase the heat dissipation burden of the notebook without reason, resulting in the high rotation of the cooling fan, which is the result of faster dust accumulation and requires frequent dust cleaning. The specific switching method is: right-click on the desktop, and select NVIDIA Control Panel from the pop-up menu. Then the NVIDIA settings menu * pops up, and select * Manage 3D settings, you will see the option of using centralized display or independent display globally. After selecting an independent video card, the system will use the video card you selected when performing tasks. Dual graphics switching settings of AMD graphics card: right click on the desktop to enter the "Configure Interchangeable Display Card" option. In the switching interface, we can see the display core types that can be switched. The single display is represented by a "high-performance GPU", and the centralized display is represented by a "power saving GPU". From the interface options, we can see that the switching between the single display and the centralized display is actually a switch between performance and efficiency. The independent display provides strong performance but also has a large power consumption, Although the performance of centralized display is still far from that of single display, its power consumption is much lower. The switching of dual graphics cards meets the dual pursuit of notebook computers for high performance and long standby, which is a more advanced operating technology and an important milestone in the development of graphics cards
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Nowadays, many notebooks are equipped with dual graphics cards, one independent graphics card and one integrated graphics card. Usually, these two graphics cards are automatically switched when they are working. For example, when the notebook is running a large game, it is obvious that the integrated graphics card cannot meet the needs. At this time, the notebook will automatically switch the graphics card to the independent graphics card, In this way, there will be no stuck and slow reaction when playing the game; However, when the notebook runs some small software, such as Office, the integrated graphics card can meet the demand. At this time, the notebook will switch the graphics card to the integrated graphics card. At this time, if you have to use a separate graphics card, there will be no problem, but the power consumption of the notebook may increase. The dual graphics card can also be switched manually, which needs software. Generally, the notebook official website will provide a driver for switching dual graphics cards. As long as the driver is installed, the dual graphics card can be switched manually and freely.
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Nowadays, computers are switched automatically without manual switching. If you switch between N card and A card manually, both graphics cards have their own control panels. Right click on the desktop and select from the pop-up menu. The notebook of the dual graphics card cannot be set to turn off the integrated graphics card, because the notebook now works independently, and the centralized display output. After the centralized display is disabled, the screen will be black, and the BIOS cannot enter.
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After setting, the system automatically judges switching
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It is basically intelligent switching. No action is required. You can select the control panel of the video card, select the default video card, or select a video card for a program. However, if the driver list of the graphics card does not support this program. It's useless for you to switch over. So if you have a program that can't run, it's a good idea to update the graphics driver in time.
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Drive needs to be installed.
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