Win7 computer black screen reason summary

Why does the computer have a black screen?
First, the computer causes a black screen
The device does not match, the compatibility between the hardware is not good, the hardware is damaged, the voltage is too low or too high, and the disk has bad sectors. Bad clusters, faulty memory modules or insufficient capacity, poor quality hardware, etc. will cause the computer to be black.
Second, computer black screen caused by software
Virus interference, poor software compatibility, illegal operation, improper memory management, too many or too few buffers, improper CMOS parameters, too much disk space, software bugs, The .DLL dynamic link library file in the system system and other subdirectories is lost, the system registry information will be caused by the system registry information.
Third, the reason for the black screen when the system is running
Virus infection, some files of Windows are The corresponding file coverage of the application software, software conflicts, improper user operations such as deleting system files, BUG of application software, black screen when opening, etc. will also cause the computer to be black.
Fourth, the system file is destroyed
Including the boot program error, error operation, registry damage, etc. will cause the computer to black screen.
Five, improper BIOS settings, system resources exhausted, hardware and software conflicts will cause the computer to black screen.
Why is the Win7 system computer always black screen?
The reason why the above computer will be black screen is also suitable for the problem of why the Win7 system computer always has a black screen. However, carefully speaking, the hardware requirements of the Win7 system are relatively high, and the hardware requirements are high, which means that if the hardware does not meet the requirements, it will easily lead to a black screen on the Win7 system computer. Similarly, If the computer's heat dissipation performance is not good, it will easily lead to the phenomenon that the Win7 system computer always has a black screen.