If your computer screen keeps going black- how to fix it & there are many potential causes. It could be a problem with your loose connection, check if your computer monitor broke, the computer may be asleep, problems with display settings, a problem with your video card or drivers, or a problem with your computer itself. To fix a problem with a loose connection, go to the back of your computer monitor and check that the plug is on securely. Sometimes our computers do automatic updates, and the sleep function may be activated by default. To fix this problem, you need to go into the settings of your computer to turn off the sleep function. It will differ depending on the type of computer you have. If you're still having problems, click on this link https://www.computersinsimpleterms.com/blog/my-computer-screen-keeps-going-black-how-to-fix-it and know how to fix these issues.