The first and most obvious reason for a computer appearing to run but you cannot see the video is the monitor. Where is your Monitor plugged in? “My computer screen is black”
In Windows Xp you will need the operating system disc to use this command, but in Windows Vista, Seven and Eight you can run this from within safe mode, providing you can enter this. In this situation I would let Windows fix its own files by using the system file checker (SFC) command. This probably means that you have started the computer, possibly seen a logo and then hit a black screen on your computer. Your Windows Operating System could have some corrupt files preventing it from loading. Many people rush and press to start Windows normally and sometimes this causes a serious problem. If you see the screen that tells you your computer had an error, do not choose to start normally, choose to start in safe mode now. Hopefully your problem will be something relatively basic. I have to be honest, there are literally hundred’s of reasons why your computer might have a black screen. Some common causes of a computer black screen in Windows: Your black screen in Windows has occurred before the Windows logo screen.
I also have a magic boot disc that repairs missing files on my hard drive and will boot up any computer, fix and install Windows easy. When this happens to me, I have an instant advantage as I have a replacement part for basically any computer component at my fingertips. Sometimes the fans and the CPU seems to be running. When your computer has a black screen in windows, and absolutely nothing else, this is where the challenge begins. POST= Power On Self Test A procedure the computer goes through on starting to ensure all is well. If you heard a single beep, then the computer posted, and the CPU is OK. Here is an example of results in Google search Search results for “bios beep codes” You can search for Bios beep codes in Google. For example you may have an Award Bios, Ami Bios, Phoenix BIOS, Compaq, Dell, or Acer Bios.
This is a message from your computer that can be understood by looking up your bios (the brand) beep code. If your computer will not boot up and you get a beep sequence, I am not saying it is good news, however it is a step in the right direction towards solving this problem. No beeps, no cursor, no logo screen, and no choice to boot to safe mode or access the bios. One where the computer will not boot up but you have a beep sequence sounding to let you know what the problem could be, and the other has nothing at all. There are two types of computer black screens that can appear in Windows. A computer black screen on start up is a challenge for me and I always try to trouble shoot the problem manually, without using those fancy programs, because I believe it is the only way to learn.
Choose your computer system, download it, open the folder, click the Fliqlo Setup.exe file, press RUN and then it should open in your desktop/screensaver settings and then you can apply it.Rarely do I come across a problem with a computer that I cannot diagnose, however when a computer has a black screen in windows it can stump me sometimes. Go to the site and on the top right there are some little lines, click those and you’re taken to the download page (or just click here if easier). It’s for both Windows and Mac… Here’s where you find the black and white flip clock screensaver Here it is on my computer if you’re not sure what it is! It’s that cool black and white digital clock which flips the time over. Most people wonder whether it’s a built-in option, but it’s actually a screensaver. Have you always wanted that black and white flip clock screensaver for your computer? It’s not easy to find, and I often get asked about it when someone sees my computer.