The computer turns on the host and turns off as soon as it turns on, and it keeps repeating?

This means that there is a problem with the power supply of your computer and it cannot be turned on, it is recommended that you go to the repair computer to check, either there is a problem with the power supply, or the motherboard is damaged.

It is not recommended to repeat this action all the time, as it may cause the motherboard to burn out. This may be caused by an internal short circuit, it is recommended to take it directly to the computer repair center for direct maintenance, so as not to cause unnecessary losses.

It may be that the hardware is malfunctioning, or it may be a virus, so it is recommended to take it to the after-sales service of the computer for repair.

Two reasons: 1. The boot button is short-circuited and has been restarted frequently, and the boot jumper can be unplugged and shorted to start the test.

2. The motherboard is broken, and the motherboard can only be replaced.

Restart it and try it, if it doesn't work, turn on the host, push the plug-in cable inside, see if the wire port is loose, and if it doesn't work, go to the maintenance office to see it.

When the power indicator of the computer is turned on, and the display is powered on (the power indicator is on) but there is no signal or the screen shows "no sighal", it is generally due to poor contact due to loose or oxidized memory modules, or poor contact of the display data cable, or damage to the memory, graphics card, monitor or data cable.

Handling suggestions:1If the monitor is powered on but no signal is displayed, turn off (if the short press of the power switch is invalid, press and hold the switch until the power indicator goes out or directly unplug the power cord) Power off the case, replug and unplug the memory module, and wipe the gold finger with an eraser in one direction (the back of the thumb fingernail is also fine), if possible, it can also be installed in different memory slots, and then turned on after installation (before operation, you should also touch the wall with both hands to release your static electricity or wear anti-static gloves).

If you don't know how to operate, then it's simple: slap or kick the chassis once or twice (pay attention to the location: the front of the shell on the left and right sides of the chassis that has no interface at the back; Attention Tract:

Don't push too hard, and certainly don't be weak). The above may need to be repeated, and if it doesn't work, you need to replace the memory module. If you have more than two memory modules, you need to test them one by one.

2.If the above operations do not work, turn off the power and turn on the chassis, reinsert the graphics card, and plug in the data cable between the monitor and the graphics card. If it still doesn't work, consider that the cable or graphics card is damaged, then replace it with a new one.

3.If the monitor is not powered on (the indicator light is not on), check whether the power switch is turned on, then check the back of the monitor, plug the power cord connected to the monitor upwards (the power cord can be replaced if possible), and check whether the other end of the power cord is powered on to the outlet.

4.If the display can be displayed when connected to another monitor or the display of this machine is connected to another normal host and still cannot be displayed, it means that the monitor is damaged and needs professional repair.

It may be that the memory module is slack, the hard drive is aging or improper use is also one of the reasons. Check whether the hardware is damaged and repair it in time;

Poor heat dissipation, working for too long will lead to heat dissipation problems for the processor. The solution is to keep the processor well ventilated.

1. The system cannot operate normally due to a virus. Workaround: Reinstall the system.

or restore a system backup.

2. CPU temperature.

High. CPU temperature detection is generally set in the BIOS, and if the temperature is too high, it will start automatic protection and cause automatic shutdown or restart. Solution: Apply a layer of thermal grease to the CPU.

3. The CPU fan is faulty. If the CPU fan fails or does not operate properly due to excessive dirt accumulation, the CPU will be dissipated poorly, and the temperature will increase, and the system will automatically shut down or restart. Workaround:

Replace the CPU fan, or remove dirt from the fan. As shown below:

4. If the graphics card has a power supply failure (usually a capacitor burst), it will also cause the system to restart repeatedly, because the host power supply protection generally cannot enter the system normally.

I turned on the computer host, lit up and turned off again, what's going on?

I turned on the computer host, lit up and turned off again, what's going on? Hello dear, possible causes and solutions 1, there is a problem with the motherboard capacitor, such a problem generally occurs on old machines. Workaround:

Replace the motherboard or take it for repair. 2. Power supply problems, insufficient power supply, or aging power supply, unstable voltage, for the problem that the power supply of the computer is turned on and extinguished, this situation occurs the most, there are new machines, and there are old machines. If it occurs, it is recommended to replace the power supply with high power.

Many people in the assembly of the computer, do not pay attention to the configuration of the power supply, the other components are to the good match, to the power supply does not matter, such a practice is not advisable, the power supply is very important for the computer, the first point of power to be enough, so that the computer can operate normally, the second point of the power supply voltage is stable, in order to make the hardware more good work, or the computer is prone to problems, but also easy to break the hardware). 3. If this situation occurs in summer, it is necessary to consider whether the external voltage is unstable or too low, because of the shortage of electricity in summer, the voltage of civil electricity in many places will be reduced, resulting in the computer can not be turned on. If this happens, try adding a regulator or transformer.

There was an error in the system and the system needs to be reinstalled.

Summary:Since the new computers pre-installed with win10 are all 64-bit systems, we **x64 version of win7 system,**to non-c disk,**to d disk,you can right-click to decompress it,you can also directly right-click on the iso file and select "load"; Click the Start button, open the Start menu, and tap the "Settings" gear icon.

1. Since the new computers pre-installed with Win10 are all 64-bit systems, we **X64 version of the Win7 system,**To non-C disk,For example**To D disk,You can right-click to decompress it,You can also directly right-click the ISO file and select "Load";

2. After the ISO file is loaded, this interface will be automatically opened and all files will be copied;

3. Put it to the root directory of the D drive, if there are a lot of files in the D drive, you can first create a folder, name it "Win7", and paste the files into the Win7 folder;

4. Click the start button to open the start menu and click the "Settings" gear icon;

5. Open System Settings, find and click "Update & Security";

6. Click on the "Recover" option in the list on the left, and click "Restart Now" under Advanced Startup on the right;

7. At this time, the computer restarts and enters "Select an option", and then click "Troubleshooting" - "Advanced Options";

8. Select "Custom (Advanced)" as the installation type;

9. Select "Drive Options (Advanced)";

<>11. If there is a key input key, no product key is selected to skip;

Summary. Dear, every time the computer host is turned on, it will go off once and then turn it on, and this situation is generally caused by the following reasons!

1.Damaged monitors, damaged motherboards, damaged graphics cards, poor graphics card contacts, damaged power supplies, damaged CPUs, etc.

2.For the treatment of the black screen of the computer, the method of eliminating and replacing is basically adopted, and the principle should be based on replacing and eliminating the most suspicious parts first.

The computer will turn off once every time the computer is turned on and on again.

Dear, every time the computer host is turned on, it will go off once and then turn it on, and this situation is generally caused by the following reasons! 1.Bad monitors, damaged motherboards, damaged graphics cards, poor graphics card contacts, damaged power supplies, damaged CPUs, etc.

2.For the treatment of the black screen of the computer, the method of eliminating and replacing is basically adopted, and the principle of taking the rubber should be based on the principle of replacing the row first, such as quietly removing the most suspicious parts.

Dear, according to the experience of the old brigade cave master, many times it is poor memory contact! The processing method is as follows:1

Power off (if short pressing the power switch is invalid, press and hold the switch until the power indicator goes out or directly unplug the power cord), power off and turn on the chassis 2Re-insert the memory module, and wipe the gold finger with an eraser in one direction, if possible, it can also be installed in a different memory slot, and then turn on after installation. 3.

Before the operation, dismantle and excavate, and touch the wall with both hands to release the static electricity or wear anti-static gloves).