LCD monitors are the norm on the computer market, these days. While they are faster and have many advantages over classic cathode ray tube (CRT) monitors (you know, those boxy things we used to use), they still have their problems. LCD screens rely on millions and millions of electrical signals being sent using light, and they must all work perfectly at once. So, naturally, there are going to be a few hiccups. But most of them are easily fixable. Here’s a list of some common monitor problems and their solutions.