The reason for the blue screen after the sudden power failure of the computer:
1. Blue screen fault caused by software;
2. Blue screen caused by file pointing error due to registry corruption;
3. The blue screen caused by Win98's own imperfection;
4. Blue screen failure caused by system resource exhaustion;
5. Blue screen failure caused by DirectX problem;
6. Blue screen caused by memory overclocking or instability;
7. Blue screen caused by poor hardware compatibility;
8. Caused by hardware heat dissipation;
9. Blue screen caused by file error;
10. Blue screen caused by system conflict.