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Unplug the memory and listen to whether there is an alarm, if there is no alarm, it may be a problem with the motherboard, if you can hear the alarm sound, do a simple cleaning of the memory and graphics card (clean up the gold finger, slot), and then install it OK.
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There are many reasons for this problem.
1. If the memory contact is bad or broken, clean it up and insert it a few more times, and try to change the slot.
2. Graphics card problems, deal with them as above.
3. The power supply is broken, 4. The motherboard is faulty, if the conditions are sufficient, use the division method, and replace them one by one.
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I don't dare to make a clear statement if I don't actually see it, so I have two suggestions for you: 1 Clear the CMOS first (change the jumper of the coms to one side, and then click on the machine once and jump back again).Then pick up the motherboard battery and wait 15 seconds before putting it down.
Boot! 2 If you can't clean the motherboard, sometimes there will be too much dust and the power will not be smooth. (It's not enough to clean up, you repeat the first step)!
In the end, if it doesn't work, you'll have to get a power supply and try it! ~
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Agree with the third floor, it should be a memory problem, and there have been three such problems next to me. Unplug the memory to see if there is an alarm, and hear the long alarm sound of the drip-drip, that's its problem.
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It should be that the graphics card was changed, or you wiped the graphics card clean.
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Failure of the motherboard or graphics card.
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Can't pass the self-test?
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The failure of the computer host to boot is generally divided into two types: hardware failure and software failure, in which hardware failure includes the failure or incompatibility of accessories such as the motherboard, power supply, memory module, etc., and software failure may cause the host to fail to boot normally due to the inconsistency of macro residues in the operating system, system files or some applications.
In terms of hardware failures, the motherboard may have a faulty circuit, or a lack of power to boot properly, or a memory module that may fail to boot properly. At this time, you can check the hardware connection problems inside the computer host, check whether the cable is plugged in, and dismantle the hardware parts, check whether there are faults one by one and replace the faulty parts.
In terms of software failures, the main manifestations are that the computer host cannot be started or there is a blue screen and crash after starting. In this case, you can try to use the safe mode or system repair mode to repair the system, or use a physical drive such as a CD or USB flash drive to reinstall the liquid mask system. When reinstalling or repairing the operating system, you need to pay attention to data backup issues to avoid data loss caused by misoperation.
In addition, the host may not boot due to compatibility between hardware components or overclocking. If there is an abnormality after the console boots, you can restore the overclocking settings to the default values and check the hardware configuration for compatibility issues.
In short, there may be many reasons why the host fails to boot, and different reasons will cause different fault phenomena. It is necessary to diagnose and select the appropriate solution after confirming the cause of the failure, so that the repair work can be completed. <>
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Discharge the BIOS battery (restore the BIOS factory defaults) It is recommended to plug and unplug the graphics card and memory, clean it up, and polish the gold finger of the graphics card and memory.
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Boot restart is a wire, it is estimated that it is loose, just change the boot button.
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No matter how many times you press the restart button, it will definitely not turn on, if the power button is pressed, the host has no response at all, then use the following judgment method:
Open the cover of the main chassis, look at the jumper cable at the bottom right of the motherboard, pull out the front panel with "PWR" written on it to connect the jumper, and then use a screwdriver instead of the jumper, to short-circuit the two metal antennae, to see if the host starts smoothly, if it starts smoothly, you can conclude that there is a problem with the boot button on the front panel of your host, and you need to replace the button. If the host is still unresponsive, it may be that the BIOS battery is insufficient, you can temporarily pick one from other computers to replace the test, if the BIOS battery problem is ruled out, then it can only be a motherboard problem, you need to go to a professional maintenance and testing point to do maintenance.
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Press it too fast. Just turned on and off.
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There are many reasons why the computer cannot boot the host, such as power socket problems, memory modules, CPU fans, broken power supplies, etc., which need to be troubled one by one to find the problem.
1. Power socket.
To rule out this external factor, sometimes the plug is loose and the computer is not powered at all, so the first thing to check is that all the plugs are powered on.
2. Memory module.
If you can't turn on the phone, many times it is because there is a problem with the memory module, especially the machine that has not been used for a long time. Open the main chassis, take out the memory module, wipe it, and then put it back on.
3. CPU fan.
The CPU fan is not working, which causes the CPU to be unable to dissipate heat and naturally cannot be turned on. Open the case and see if the CPU fan is blocked by other parts such as wires. If not, press the power button again, if the CPU fan does not rotate, it is broken, and then you have to replace it with a new one.
4. The power supply is broken.
The power supply is broken, and the main reason for the power supply is that the voltage is unstable.
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