There is a power supply problem in the chassis, and the power supply in the main chassis does not re

The power supply is from the chassis, right? For the above configuration, it is certain that the 300W power supply can be used, the reason for the burnout may be caused by the actual standard power is less than 300W, and you had better check the external power supply environment after the power supply is bought, such as whether the voltage is stable, etc.

Authoritative data shows that 70% of computer failures are due to inferior power supplies, so it is very important to choose a good brand. Like the Great Wall, Huntkey, etc., but no matter what brand, you have to see if it has passed the 3C certification. In particular, the certification number.

I bought it in September this year, I should go to the dealer to change it, it is recommended to communicate with him when changing, add some money for a good one, of course, it is best to change a large power, leaving room for future machine upgrades.

Look at your configuration,Things should be newly equipped,Definitely are in the guarantee,It is recommended that you don't mess around,Go directly to the place where the machine is installed,Then see if only the power supply is burned,If the motherboard or something is also burned you change the power supply is not good,It is recommended to take the whole machine directly to the place where you install the computer,In addition, the power supply must be used well,The Great Wall is still more trustworthy,The garbage power supply is not good,It is easy to burn others if you burn it。

Fart... 300w is enough. Hehe, but a 350w safety point. Hehe.

The power supply of the Great Wall can be ha, and it is even better to buy an Huntkey. Hehe.

You go straight to the computer seller and pretend that you know everything. Don't go any way. Just ask them to get you a "Ben 4" power supply!

Then negotiate the price of an ordinary "Hangjia" P4 power supply** is about 80. When you go to the computer city, remember not to say that you don't know anything, then others will meet fat "sheep".

Your configuration of 300w is enough. It's just that the power supply doesn't work. Probably not enough watts at all. Don't buy knockoffs in the future. Be on the safe side.

Summary. Hello dear, (1) The most common ones that the computer does not respond to when it is turned on are: the power cord of the computer host is not connected, the monitor switch is not turned on, and the power supply or data cable of the monitor is not in good contact.

2) When we find that the computer does not respond when it is turned on, we need to first observe whether the power indicator of the computer is on after the computer presses the boot button, when the power indicator is not on, then it is likely that there is a problem with the power supply, you can check whether the power cord of the host is connected to the external power supply well, whether there is a line failure, etc., when the computer power supply is bad, the computer will not respond when it is turned on, these need to do some simple elimination to confirm.

When the computer indicator light is on, the CPU fan inside the computer is running normally, then generally speaking, it can be preliminarily judged that there is no big problem with the power supply, and then we will check the monitor to see if the power indicator of the display is on, and whether the display data cable is well connected. At the same time, observe whether the computer keyboard and mouse indicators are on, generally if there is no problem with the host, the computer keyboard indicators and mouse indicators are normally on, this situation often appears on the monitor, such as the display switch is not turned on, the monitor data cable is not connected, or the display power supply is faulty.

Hope it helps you <>

The power supply in the main chassis does not respond.

Hello dear, (1) The most common ones that the computer does not respond to when it is turned on are: the power cord of the computer host is not connected, the monitor switch is not turned on, and the power supply or data cable of the monitor is not in good contact. 2) When we find that the computer does not respond when it is turned on, we need to first observe whether the power indicator of the computer is on after the computer presses the boot button, when the power indicator is not on, then it is likely that there is a problem with the power supply, you can check whether the power cord of the host is connected to the external power supply well, whether there is a line failure, etc., when the computer power supply is bad, the computer will not respond when it is turned on, these need to do some simple elimination to confirm.

When the computer indicator light is on, the CPU fan inside the computer is running normally, then generally speaking, it can be preliminarily judged that there is no big problem with the power supply, and then we will check the monitor to see if the power indicator of the display is on, and whether the display data cable is well connected. At the same time, observe whether the computer keyboard and mouse indicators are on, generally if there is no problem with the host, the computer keyboard indicators and mouse indicators are normally on, this situation often appears on the monitor, such as the display switch is not turned on, the monitor data cable is not connected, or the display power supply is faulty. Hope it helps you <>

Pro, it may be caused by the removal of defects.

Dear, there may be many kinds of this, it is recommended that you contact the computer repair personnel to repair it for you.

I can only answer the reason why the computer case does not respond for you, and I can't repair <>it for you

Do you see there's a problem here?

Dear, on the surface it looks like nothing is a problem.

1.Causes of computer chassis electrification: Computer chassis is electrified, which is a very common phenomenon.

Because the computer power supply of Hewu is a new type of switching power supply, it cancels the traditional transformer step-down, and adjusts the output voltage by changing the on-on and off-time of the switch, which is a new, high-efficiency, low-volume, light-weight power supply. However, since there is no conventional power transformer to separate the mains power from the load, the internal input part of the power supply is "thermoelectric". The output part is isolated by a switching transformer, so it is "cold ground", but because the power supply is in the working state of high voltage, high flat frequency and high power, it will inevitably produce strong static electricity, and the electric tester is used to test the liveness.

However, because the current carried in the chassis is very small, it is generally not dangerous.

2.Solutions for live computer cases: The following are used flexibly.

1. First of all, see whether the three-wire socket and the three-wire plug are connected correctly, and whether the common ground wire, the live wire (i.e. phase wire) of the power supply, and the neutral wire of the electrical return source are correctly connected. (The power supply usually has an imaginary ground terminal, and the voltage at this point is considered to be zero, and most power supplies are negative as the reference ground, so the switch is connected to the positive end of the power supply.)

If the positive terminal of the power supply is set to ground, the switch may be connected to the negative terminal of the power supply. Household electricity 220V AC bar, this is not divided into positive and negative poles, only zero, live wire, generally connected to the live wire. )

2.Open your own case lid. Look at it should be so dirty.

Use a brush (gently sweeping) or a pump (one person to pump, one person to blow) to remove the dust from the computer. (Be careful not to damage the components of the motherboard with too much force) The most important thing is to clear the power box and the vicinity. (You can use a pump and a brush together).

3.If the above method. Still not working, it's a problem with your motherboard and power supply. In your case, it's 220V. It's mostly a problem with your power supply. If you are a DIY expert, you can add a few insulating pads to the motherboard.

It can't be solved anymore. You're going to have to dismantle the power supply. Take the power supply apart and clean it up. It can't be solved anymore. It's going to cost money......Find a new power box and try it.

4. Some users use ordinary lighting electricity at home, only live wire and neutral wire, and no grounding wire, then the three-head socket does not work, it is recommended to use metal wires, the chassis metal outsiders are connected to the earth, some people connect the chassis with water pipes, etc., it is not recommended to use this method, if the power leakage phenomenon really occurs, it is more dangerous.

5. Find a wire, connect one end to your chassis, and the other end to a metal pipe, and bury it in the ground (the safest).