How to do black screen after computer reload system

　　Common causes of black screen after system reload:

1, the main boot partition damage, can not normal boot system reload work;

2, C disk capacity is not enough space, causing the system to not start the installation or install to half can not continue; For example, the original C disk capacity of only 20G, installed the XP system, now upgrade the installation of Win7 system is not sufficient capacity, because the Win7 system after the installation of the most likely to occupy 40G disk space;

3, download the system image file damage;

4, the user has the wrong operation;

5, computer system hardware problems;

6, other unknown factors.

　Solution:

1, the main partition damage, change the hardware.

2, the C disk capacity is insufficient, expands the space.

3, image file damage, heavy download.

4, the installation of the system, check whether their computer can support the system.