This could occur for a variety of reasons, and is often difficult to fix. One of the most complicated reasons the screen goes black is a crash.
If the screen turns black randomly then you must not panic, and should follow a systematic troubleshooting procedure. It would be impossible to accurately ascertain the exact cause by mere speculation, as there are many wires, connectors, and devices, that need to function properly, to keep the screens of laptop computers working properly. If you find that your laptop screen has gone black suddenly, you must know that there are a number of possible reasons for this. Major technical failures are harder to identify, and expensive to repair, but you may want to try these solutions first. There are many reasons for a laptop screen to go black, and most of these causes can be fixed easily.