I believe many users will encounter it when using a computer. When the computer is in normal use, it suddenly restarts automatically. I don’t know what happened for no reason. If the computer restarts automatically while you are working, what you have done before will be done in vain. This is a very bad thing. So what is the reason for the automatic restart of the computer? Let’s introduce it in detail below.
What is the reason for the automatic restart of the computer?
First, the computer automatic restart software solutions
1. When the virus "shock wave" virus breaks out, it will also prompt that the system will start automatically after 60 seconds. Trojan horse programs remotely control all activities of your computer, including restarting your computer. Remove viruses, Trojans, or reinstall the system.
2. System files are damaged. System files are damaged, such as KERNEL32.DLL under Win2K, fonts under Win98 FONTS directory and other basic files when the system is running, and the system will be forced to restart when it is started.
Solution: cover the installation or reinstall.
3. Timing software or task planning software works. If you set a restart or load some work programs in the "Planning Taskbar", the computer will start again when the timing comes. In this case, we can open the "startup" item and check whether there are any unfamiliar execution files or other scheduled work programs in it, and then screen them before starting up for inspection. Of course, we can also directly enter the "Msconfig" command in "Run" to select the startup item.
Second, the computer automatic restart hardware solutions
1. The chassis power supply is insufficient, the DC output is impure, and the dynamic response is slow. Users or installers often do not pay attention to power supply and use cheap power supply, so it is one of the biggest suspects that cause the system to restart automatically.
① The output power of the power supply is insufficient. When running large-scale 3D games and other software that occupy a large amount of CPU resources, when the CPU needs high power supply, the power supply is overloaded due to insufficient power supply, and the output is stopped. After the power supply stops outputting, the load is lightened, and the power supply is started again. Because the protection/recovery time is very short, the performance given to us is that the host automatically restarts.
② The DC output of the power supply is impure, and the digital circuit requires pure DC power supply. When the harmonic content in the DC output of the power supply is too large, it will lead to the working error of the digital circuit, which is manifested by frequent crashes or restarts.
③ The workload of ③CPU is dynamic, and the requirements for current are also dynamic, and the dynamic response speed is required to be rapid. Some poor quality power supplies have long dynamic response time, which will also lead to frequent crashes or restarts.
④ Updating equipment (high-end graphics card/large hard disk/video card) and adding equipment (burner/hard disk) will lead to frequent crashes or restarts if the power exceeds the rated output power of the original power supply.
Solution: Now replace the high-quality and high-power computer power supply.
2. Poor thermal stability of the memory, chip damage or memory problems caused by incorrect settings have a relatively high probability of system restart.
① The memory has poor thermal stability, so it can work normally when it is turned on. When the memory temperature rises to a certain temperature, it can’t work normally, resulting in a crash or restart.
(2) When the memory chip is slightly damaged, it can pass the self-check (setting fast startup to not fully detect the memory), or it can enter the normal desktop for normal operation. When running some software with high I/O throughput (media playback, games, plane /3D drawing), it will restart or crash.
Solution: Replace the memory.
③ Setting the CAS value of the memory too small will also lead to the instability of the memory and cause the system to restart automatically. Generally, it is best to use the default settings of BIOS, and don’t change them yourself.
3. The CPU temperature is too high or the cache is damaged. ① The CPU temperature is too high, which often causes a protective automatic restart. The reason for the high temperature is basically due to the poor heat dissipation of the chassis and CPU. The reasons for the poor heat dissipation of the CPU are: low thermal conductivity of the radiator material, foreign objects (mostly warranty stickers) between the radiator and the CPU, low fan speed, too much dust on the fan and radiator, and so on. Also, the temperature probe under the CPU of the P2/P3 motherboard is damaged or the temperature measuring circuit inside the P4 CPU is damaged, the BIOS on the motherboard has a BUG and the temperature measurement is not allowed under a certain special condition, and the CPU protection temperature set in CMOS is too low, etc., which will also cause a protective restart.
② The damage of the first-level and second-level cache inside the CPU is a common failure of the CPU. Those with light damage can still be started, and can enter the normal desktop for normal operation. When running some software with high I/O throughput (media playback, games, plane /3D drawing), it will restart or crash.
Solution: Shield the second-level cache (L2) or the first-level cache (L1) in CMOS, or replace the CPU to eliminate it.
What is the reason for the automatic restart of the computer? The above two aspects mainly provide detailed solutions through software and hardware. Friendly reminder: 1. Operate the computer correctly at ordinary times. 2, some unknown origin, or don’t know much about the software with caution.
