The left side of the screen is darker than the right side

@michaelsche4131 we really would need to see what this looks like as well as needing to know the exact model. This could be as simple as a bad LED strip to as complicated as failed Source Drivers on the LCD display. Post some pictures of what your display shows you with your question. Adding images to an existing question - iFixit Repair Guide

这个答案有帮助吗？