1. Hard disk error. A hard disk is a device that stores operating systems and data. If the hard disk has a bad track or fault, it will lead to an error prompt at boot time, so it is necessary to back up the data in time and repair or replace the hard disk.
2. Memory error. The storage module is a component that temporarily stores data during system operation. If the memory module fails, it will lead to a blue screen memory error warning or startup time, so it is necessary to replace the failed memory module.
3. the 3.CPU is overheated. CPU is the core processor of a computer. If the CPU is overheated due to insufficient heat dissipation, it will trigger the alarm of the CPU over-temperature protection mechanism. Need to check the radiator and fan, clean the cooling channel, and reduce the workload of CPU.
4. The graphics card is out of order. Graphics card is the core equipment of computer to display images. If the graphics card fails, it will cause the computer to fail to start or the graphics card will give an error prompt and need to be repaired or replaced.
5. The power supply is insufficient. The power supply supplies power to all hardware. If the power supply is insufficient or fails, it will not provide enough stable voltage for the system, which will trigger the power supply error warning, so it is necessary to check and replace the power supply.
6.BIOS settings are wrong. BIOS is the basic firmware program of computer. If some advanced setting options are set incorrectly, it will also lead to boot alarm, so you need to reset the BIOS to restore the default settings.