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Lenovo ThinkCentre 2491 Video Card
A graphics card computes and sends the rendered images to a monitor where it is displayed for you. There are two types of video cards, integrated and dedicated. Integrated cards are built-in to the computer itself, whilst a dedicated card is purchased and installed onto the main board. Most newer computers should have at least one PCI Express slot available for a graphics card to be added to the system. Dedicated video cards are typically a required piece of hardware for any high-end games you play on a desktop like Overwatch, Battlefield or Far Cry. At the moment, nVidia rules the dedicated card market, while AMD is in second. Integrated display adapters are almost never as good as a separate video card, generally speaking.
Major indications poorly running graphics card
- The graphics on your screen shows weird colors or images
- The Lenovo ThinkCentre 2491 restarts when starting a game
- Nothing seems to show up as you boot the PC
- The driver cannot install like it should
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