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This is generally induced electricity, it doesn't matter, maybe your withstand voltage value is relatively low, so.
There is a feeling, however, it is better to connect the ground wire at home, one is safe, and the other is for electronic devices.
There are also benefits to stable work, and let's talk about the voltage problem, because it is the voltage of static electricity, so the measured value is possible.
Very high, but the current that can be formed is very small, and it generally will not cause you harm, so, even if it is more than 100V, you don't have to be afraid, the grounding wire can solve your problem, if there is really no ground wire, you can find a relatively long triangle iron into the ground, and then.
Pour some salt water around the iron, and then connect this iron to the ground wire of your three-eye socket, if it is connected, and you have a leakage protector at home, if you connect the leakage protector, it proves that your computer does have a problem, and you should find their staff to solve the problem for you
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120 volts What device did you use to measure it? If it is a digital pen or digital multimeter, it cannot be trusted (the measured electricity is induction); If it's a mechanical multimeter, you can believe it.
Use a mechanical multimeter, plug in the power supply, the shell has power, turn off the power supply, the shell has no power, what's going on -- if the host is not connected to the display, it is the problem of the host power box; If the console is connected to the monitor, it could also be a problem with the monitor. It is recommended to try the grounding wire, if the shell voltage of 120 volts is a real leakage, the grounding wire will trip or have a bigger problem (be careful!). There is no way to say that it is a problem of static electricity after sale!
If it's okay after grounding the wire, it's a problem of static electricity.
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It is not static electricity, the general switching power supply is connected to the computer shell with an isolation capacitor in the mains, and there will be a numb feeling when the hand is wet.
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Are the plugs and sockets in your home grounded?
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Static electricity indeed. Your power supply doesn't come with a ground wire, right? Or the ground wire is not grounded at all, and it is useless. The guy above is right, you just connect the ground wire and you'll be fine.
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Strictly speaking, it should be called induction electricity, which should be found in most electrical equipment, and sometimes it is also called"Static electricity", which is actually inaccurate.
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Ground and you're all set!
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The warranty period has not passed, let the after-sales to solve.
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Without good grounding, this "leakage" situation will occur!
It's not the power supply or the motherboard, it's the electricity you're using!
Generally, large residential communities will be pre-embedded and grounded when they are built!
Old communities or small communities and towns and many others do not have pre-grounding !
This kind of leakage is generally not dead, because the voltage is about 60V, and people will automatically bounce off without being sucked!
36V or less is known as a safe voltage ! 60v should be talked about according to the actual situation, such as: you touch with your bare feet and your feet are directly touching the dirt floor.
If you haven't washed your face and hands for a long time, there is a lot of charge on your body.
Wait, wait, quite a lot!
Specifically, what is the sound of switching on and off!?
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You can feel it with the back of your hand, but you can't feel it in the palm of your hand, and this is static electricity.
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It is possible that the power interface of the notebook is not the same, and it will not be powered on after being connected! You take a look, don't you?
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The voltage is not bad up and down and can be used within 2V.
Good luck!!
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There is nothing to do with leakage and fan ringing. Under normal circumstances, the grounding wire should be connected, and there is danger if the grounding wire is not connected, such as burning the motherboard; In the event of thunder, etc., there is a possibility that the machine may burn. The fan sound is that the fan is aging and worn, and the CPU fan sound generally affects its speed, which also affects the heat dissipation of the CPU, so the CPU fan should be replaced.
New fans** are generally between 20-40 yuan.
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The main reason for the leakage of the chassis shell is that the ground wire is not connected properly, and you want to find a way to connect the ground wire to the water pipe at home;
It's best to check if the power supply is leaking first.
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If you feel a slight numbness on the chassis, it is recommended that you make a grounding wire, one end of the chassis, and the other end of a stainless steel pipe or rod to drive into the ground.
The live chassis is not static electricity, but caused by a point shift in the power supply system, or a neutral live wire that is reversed. It is recommended to be grounded to prevent the board inside the machine from being burned.
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It's not static electricity, it's not leakage, the main chassis itself is the computer power supply, and if you don't have a ground wire, then it has a voltage of 12V, and if you put it on the heater and put the electricity off, it's fine.
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That's computer static electricity, don't be afraid that when you touch the chassis in the future, you first put your hand on the metal object to discharge for minutes, and there will be no static electricity when you touch the chassis
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The design and manufacture of computer switching power supply has made great progress, and the leakage accident of switching power supply is almost negligible. So it is safe to conclude that the so-called electrification of your computer shell is neither static electricity nor leakage in the strict sense, and the latter sentence you asked is the point.
In order to suppress electromagnetic interference, the AC part and the output DC part of the switching power supply are usually connected with capacitors, of course, this capacitor has high requirements, commonly known as safety capacitors, and the safety level is very high, which is to prevent leakage or breakdown. The problem is this, because of the existence of capacitors, the leakage current causes the computer shell to be charged, but the leakage current is within the safe range, not enough to endanger personal safety, so it can be used with confidence.
If you don't worry about it, now every household is installed with a leakage protector, and the leakage protector will trip if the computer is really going to leak. If you still have heart problems, it is recommended that you install a protective ground cable.
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Static electricity is an instantaneous voltage overload, but there is no voltage after it is released after contacting the body, and power leakage is a continuous leakage phenomenon, even if it is on second contact, it will still be electrocuted.
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Change the three plug-in boards is one, you can first find an iron wire or copper wire, and then nail a nail in the corner of the wall, the depth of the nail is about 3 cm or more, tie the copper wire or iron wire to the iron nail, and then tie it to the mesh plate of the chassis power supply, which can solve this problem. You can give it a try
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Isn't there no grounding wire!
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