Two cases:
Enter bios or pe to see if there is a splash screen phenomenon
1. No splash screen is a software problem
Solution: Update the graphics card, the integrated display driver
Second, the phenomenon of splash screen
External display to see if there is a splash screen
1. There is no splash screen, it may be a screen line or a screen problem
Solution: replace the screen cable or screen
2. If there is a splash screen, it is the motherboard problem
Solution: Repair the motherboard or replace the motherboard