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Replace the motherboard? There is a problem with the south bridge of your computer motherboard, generally the south bridge is damaged, 15 years after the motherboard, you directly find the manufacturer to repair it, if it is a motherboard 15 years ago, directly replace the motherboard, in this case, you have ruled out other hardware problems, it can only be the problem of the motherboard south bridge,
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Check the voltage, first confirm whether there is a problem with the power supply, if there is no problem with the power supply, try the computer host in another place, for example, the computer is now in room A, change to room B to try, if it is changed to room B without failure, it is a voltage problem, replace the wide power supply or increase the UPS regulated power supply can be solved.
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The first feeling when I see the problem is overheating protection, open the chassis, open the fan to blow, turn on the temperature detection and watch, if there is a problem, it is the motherboard problem, and the regular problem is easy to find, the most afraid is the random crash,
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Computer problems, you know, it's better to smash it directly.
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1. Installing too many operating systems on the same hard drive will cause the system to crash. It is best to format and clean it with PQ before reinstalling.
2. CPU, graphics card and other accessories should not be overclocked too high, and pay attention to the temperature, otherwise, it will restart or freeze inexplicably when starting or running. In general, don't overclock casually.
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Check if there is any problem with the motherboard of the computer, and then reinstall the system if the motherboard is fine.
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Is there heating in the room? Have you considered the heat dissipation of the case? Leave the lid on one side of the case uncovered, and try to turn it on.
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This may be due to the following reasons:
1.It indicates that there is a short circuit in the machine. The power should be turned off immediately and double-checked. Remove all boards and peripherals (hard disks, optical drives, etc.) and go to the smallest system to see if it can reliably boot into the motherboard BIOS interface.
2.The power supply itself is overcurrent, and the self-recovery fuse circuit acts, cutting off the power output. After the fuse circuit is restored, press the power switch again and repeat the fault.
3.The power interface circuit of the motherboard is faulty, and the power-on POST procedure of the motherboard cannot be completed. Or the motherboard's power-on self-test program finds that the computer hardware has a fatal fault, and starts the protection circuit (or program) action to shut down the computer.
4.The motherboard CPU is over-temperature and self-protected to shut down. Check if there is a gap between the CPU heatsink and the CPU or if the heat conduction is not good. Apply the thermal grease and tighten the fan tightening bolts.
5.A faulty component on the motherboard can cause the output voltage to be out of balance, triggering the CPU overload protection function to automatically shut down.
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Dear, hello I am glad to answer your questions, the computer will automatically power off for more than ten seconds, answer: 1, CPU overheating leads to power failure: 1, usually the temperature is high in summer, the computer runs for a long time, a large amount of heat is not discharged, the CPU to avoid burning itself, after the temperature reaches a certain limit, start the overheating protection program, turn off the power; Therefore, in summer, it is necessary to increase the heat dissipation method for the computer, avoid using the computer for a long time, and the temperature of the computer operating environment should not be too high.
2. Some computers have been used for a long time, and a lot of dust has accumulated inside the computer, and the dust covers the CPU fan and fan heater all over, and the fan cannot be rotated to dissipate heat, and the CPU will also start the over-temperature protection and automatically power off when the temperature is too high. Computers and laptops need to be dismantled at least once a year to clean up the dust, and if the environment itself is dusty, then the cleaning frequency should be increased. 3. The CPU cooling fan and radiator are damaged or the heat dissipation paste between the CPU and the radiator is solidified, resulting in the reduction of heat dissipation effect, and the CPU overheating and power failure.
When the computer automatically loses power more than 2 times in a short period of time, such hardware problems should be considered, and professional inspection and maintenance should be carried out. 2. Insufficient power supply of the computer: 1. After the desktop computer upgrades the hardware, the power supply is not upgraded, which may lead to such a situation; This kind of situation is more common in early computers, and after some computers replace the CPU or graphics card, the hardware power becomes larger, and the power supply is insufficient 2, and the power supply equipment is aging or the power supply line voltage is unstable, which can lead to this kind of situation.
Check the power supply equipment of the computer and whether there are high-power electrical appliances on the power supply line.
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It is often a frustrating situation for computers to automatically lose power after a few seconds of powering on. Typically, this kind of problem is caused by a hardware failure.
First of all, it could be a power issue. There may be a problem with the power supply that is preventing your computer from functioning properly. In this case, you need to check whether the power cord is firmly connected and whether the power supply ** device is working properly.
Second, there may be a problem with the internal hardware of the computer. For example, the socket of the empty object storage slip is loose, the graphics card is faulty, etc. In this case, you need to check whether the internal hardware of the computer is installed firmly and whether there is any random bending fault.
Finally, it could also be a problem with the operating system. If the operating system fails, the computer will automatically power off a few seconds after it is turned on. In this case, a system recovery or reinstallation operation is required.
In conclusion, the automatic power off of the computer after a few seconds of turning on is a common problem, and it is necessary to carefully check the hardware and operating system for problems in order to find a solution.
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