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Hello bosom friend! Reasons why computers often restart or shut down automatically for no reason:
1).When the core components of the system are damaged, the running computer may automatically shut down or restart.
2).Poor heat dissipation, power failure, and motherboard failure may cause the computer to shut down automatically or restart repeatedly. (Important characteristics when restarting: sometimes shutting down, sometimes restarting).
3).In the running software, there are some software with the option to shut down when the task is completed, and the user may not have noticed and turned these switches on. These software are more common, such as Thunderbolt, Express, anti-virus software, BT**, **** and so on.
In the software settings, there is an action that automatically shuts down after completing a certain task. But generally the default setting is off. The purpose is to automatically shut down the computer when a task is completed when a task is running a more time-consuming operation.
4).The user ran the auto-shutdown command and never canceled it.
5).Other hardware reasons. Troubleshooting is required using the minimum load method or the alternative method.
The solution to the computer that always restarts or shuts down automatically for no reason:
First of all, it is necessary to rule out the problem of indoor voltage instability and the quality of the power supply strip.
The main reason why the computer shuts down or restarts for no reason is that the power supply is not enough or the hardware temperature is high
1.The power of the power supply is not enough to replace the power supply (the market price of the ordinary power supply is 80 yuan, and the better ones will be more expensive.) )
Graphics. motherboard and other hardware) is too hot, causing self-protection. Causes an automatic restart or shutdown.
Solution: Shut down the computer and dust the inside of the case, it is recommended to remove the CPU and graphics card cooler, and thoroughly clean the dust inside the fan and cooler.
Lubricate the fan shaft. Then apply a layer of thermal grease to the CPU (GPU), and the market price is about 2 yuan. Still no, it is recommended to replace the fan (radiator) with better heat dissipation
3.Check whether the motherboard capacitance is normal, if there is a bulge or leakage, it needs to be replaced, friendly reminder: The computer automatically restarts or shuts down for no reason, more often than not, there is a hardware failure, if you can't solve it, it is recommended to send it to after-sales or professional maintenance.
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Soft and hard humility] Team (computer network) I wish you all the best, if it helps, hope it will be timely. ☆
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It's possible that something is wrong with the system! Redo the system and try it.
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At boot on, the system automatically checks for startup items and keeps restarting if there is a problem with the system. So it should be a system problem, reinstall it, it's easy.
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Reinstall the system! In the case of a blue screen, it may be a system or graphics card driver problem, and there is a rare possibility that the switch is broken and short-circuited.
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There are the following reasons: Oak shed.
1. It may be that the key is bent after a sudden power failure, which causes the motherboard to burn out the draft like a stuffy power supply, you need to replace the power cord, and pay attention to the voltage when turning on, and try not to use it at the same time with other high-power household appliances.
2. It may be that the 0 track of the hard disk cannot be found, resulting in the failure of the hard disk to start, and it needs to be repaired at a professional maintenance location.
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Summary. The details are as follows: 1. First of all, I press F8 when I boot up to enter the safe mode interface.
But when I went in, I waited for a few minutes and there was no response, and it kept saying please wait. 2. There is no way but to press the reset button to restart the computer, because the computer was installed with a one-click ghost backup before, so I decided to restore it and try it, but it is still the case after the restoration. The computer is still stuck on the "Starting Windows" screen.
3. For the time being, I can't tell what the reason is, guess it's a problem with the ghost backup before, so enter the PE system to take a look, restart and press the delete key, enter the BOOT interface, set the boot to the U disk to start, enter the PE system, reinstall it with the newly prepared Windows 7 in the PE system, after the installation and restart, the computer boot is still stuck in the "Starting Windows" interface. 4. After the above two steps, it is certain that there is no problem with the system, but what is the problem? Problems with hardware settings?
Factory reset? Discharging the batteries in the motherboard? Turn off the main power of the computer, open the case, remove the battery from the motherboard, clean up the dust, and put it back in.
The details are as follows:1、First of all, I press F8 when I boot up,Enter the full mode interface of Anshutong。 But when I went in, I waited for a few minutes and there was no response, and it kept saying please wait.
2. There is no way but to press the reset button to restart the computer, because the computer was installed with a one-click ghost backup before, so I decided to restore it and try it, but it is still the case after the restoration. The computer is still stuck on the "Starting Windows" screen. 3、For the time being, I can't tell what the reason is,Guess it's a problem with the ghost backup before,So enter the PE system to take a look,Chongfeng Jian Qi press the delete key,Enter the boot interface,Set the boot to U disk start,Enter the PE system,Reinstall it with the newly prepared Windows 7 in the PE system,After the installation and restart,The computer boot is still stuck in the "Starting Windows" interface.
4. After the above two steps, it is certain that there is no problem with the system, but what is the problem? Problems with hardware settings? Factory reset?
Discharging the batteries in the motherboard? Turn off the main power of the computer, open the case, remove the battery from the motherboard, clean up the dust, and put it back in.
5. Then connect the power, turn on the computer, OK can enter the system, for convenience and speed, restore the system with the previous ghost file.
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The power indicator light is on, the screen is unresponsive, and there is no alarm sound. You should focus on checking the motherboard and CPU. Because the system is controlled by the motherboard BIOS, the computer will not sound an alarm and the screen will not display any error messages until the basic self-test is completed.
At this time, it is necessary to check from the following aspects:
1) Check the flash ROM chip on the motherboard, press it tightly again after turning off the power so that it is in good contact;
2) Check the motherboard BIOS chip, it may be attacked by CIH virus or the BIOS upgrade is unsuccessful;
3) Check the CPU, which can be determined by the substitution method;
4) Check the memory module, and replug it in after turning off the power to make it in good contact or use the replacement method to further confirm its good or bad;
5) Check whether non-standard external frequency is used. If you use non-standard external frequencies such as 75MHz and 83MHz, the poor quality graphics card may not pass, so you should use standard external frequencies such as 66MHz and 100MHz;
6) The chassis is made roughly, and the reset button cannot be bounced up or stuck internally after being pressed, so that the reset button is always in working condition. You can check with a multimeter or unplug the reset jumper on the motherboard and try again;
7) Check the motherboard power supply. The power indicator is on, and the hard disk indicator is always on. There are two possibilities for the hard disk to be wrong: one is that the hard disk data cable is plugged in backwards; The second is that the hard disk itself has a physical fault and should be replaced.
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It may be that the mode of your hard disk is wrong, there is this when it is booted, you can try it, enter the BIOS and change the mode of the hard disk.
Based on the situation of the landlord, the computer does not start at all, you should rule out the software, display, sound, memory module problems, then the only possible problem is the failure of the hard disk; Problems with the power connection socket; The regulator is damaged. It is recommended to drag a repair person outside to check, they have all tools, and the door-to-door fee is roughly ranging from 20 to 50, you can bargain, I wish the landlord a computer as soon as possible.
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