Image source. Before the introduction of VGA in 1987, graphics chips for personal computers were either custom chips, low resolution, or exceptionally weird. One of the first computers with built ...

The VGA light on the motherboard also turns on if the cable connecting your graphics card to the motherboard is faulty. If possible, connect the graphics card to your motherboard with another cable.

graphics controller, VGA adapter and VGA card have all been terms for the plug-in board that creates the screen images. For a detailed list of adapter resolutions, see screen resolution.