Computer black screen of death is usually related to hardware or driver. It is typically caused by software errors in device drivers: in Windows systems by poorly written device drive , It also be caused by physical hardware faults, such as faulty RAM memory or power supplies, overheating of components, or hardware which is run beyond its specification limits . On the other hand, registry damage,corrupted program and viruses are the major causes of computer black screen,too.
According to the issue you've got, the following tips may be available to you.1.An efficiency troubleshooting step on hardware is to start your computer with the minimum hardware necessary to run the operating system. If your computer starts successfully it proves that one of the removed hardware devices was the cause of the STOP message. Otherwise move to the next solution.
2.Boot your computer in Safe Mode by pressing F8 at startup. Then go to My Computer and right-click on Disk C to select Properties from the dropdown menu. From the Tools tab, perform an error check and disk cleaning. 3.If the about two solutions doesn't work, the last one I can suggest to you is to create a bootable disk. It is the most quick and effective way for you to solve the problem. You just need to download a software can be used to burn your CD/usb into a bootable one and then boot your computer from it. Run the software to fix the issue after that. There are few free software for you to use, so if you want to take this solution money is indispensable. Windows Boot Genius
owns a better cost/performance among such kinds of software I've used. It may be a good choice for you if you have money to pay.
By the way,reinstall your operating system can also help you out if nothing important stores in it.