Here’s how to fix when your graphics card fan is spinning, but there is no display: If your graphics card fan spins, but you aren’t getting a display, then you know that the computer is, in fact, getting power. That rules out one potential problem, but any number of physical or software components could be … Read more
In order to fix a computer that won’t boot after installing a graphics card, you have to isolate the core issue. It could be a hardware problem with the graphics card. It could be a software or software controller problem. It could also be a compatibility or power draw issue. Finding the problem is the challenge.
There are a lot of ways this can go, and they depend on how your computer is built and set up. If you have another graphics card, you won’t notice a difference. If you don’t have another card, disabling the Intel card kills your video. Ultimately, it doesn’t damage the computer, but it can make things complicated.
Of the two resolutions, 1920×1080 is the better resolution, as it has more pixels on the screen. In general, fitting more pixels per square inch into an image improves the clarity of the picture. This is especially obvious when you are able to zoom in on or scale up an image. The higher pixel count becomes evident.
There are two likely reasons why a laptop would have more than one graphics card. The first is that there is an integrated GPU and a dedicated graphics card because it was the cheapest way for a manufacturer to meet specifications. The second is so the cards can work together for a dramatic performance upgrade.