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Usually the memory module is loose. Or the eraser is ready due to poor contact... Disassemble the chassis...
With an eraser. Put the bottom of the two sides of the memory stick, the golden one is the gold finger. Put it back after wiping...
Usually it's solved. I used to work as a technician in a computer company... Now it's the webmaster.
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Look at the plugs at both ends of the monitor, don't turn the keyboard upside down every time you turn it off [some people are afraid of dust and love hygiene], don't press heavy objects against the keyboard, [hands, books] turn on the keyboard after it is placed, open the case, take out the memory module and coat the socket with an eraser. It hurts your computer to keep booting up like this. Listen to it first in the future, the chassis will have it every time, and there will be a sound of running start-up.
There is also a situation where the weather [back to the south] is relatively humid.
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It's a hardware problem, which plug on the motherboard that connects the keyboard is broken, change the plug, or replace the motherboard, because there is no keyboard, the computer can't turn on, occasionally turn on because of poor contact, occasionally trigger the keyboard, but most of it can't be turned on.
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This can be fixed by discharging the BIOS motherboard battery.
2. Then press the buckle on the socket to hold the power supply battery to the side, at this time the BIOS battery will automatically pop out, and take out the battery carefully, as shown in the figure: (The two metal objects on the base are the positive and negative poles).
3. Then turn on the power of the host and start the computer.
Please check the power cord and power socket, if it still doesn't work, please check the host power supply, if you are sure that there is no problem with the host power supply, please check whether there is a problem with the power button, the specific method is to find the power jumper on the motherboard, and use a driver to directly short the power jumper, you can find out whether it is a problem with the power button.
You can consider changing the reboot button to the power button, which is not very common, but I have already encountered 2 cases. If it doesn't work, it's a problem with the motherboard or the motherboard power wiring.
Please repair or reinstall the system, if the hard disk cannot be found, please check whether the corresponding interface is prohibited in the CMOS, if there is a problem with the hard disk partition table, please reformat it. If it is a blue screen, please check whether the CMOS hard drive is in the correct format.
Power on, turn on, nothing is heard, unboxing, the motherboard has an indicator light, the indicator light is on, and the power supply can still be powered when it is on, it should be that the key contact is poor, it is recommended to clean up the dust.
Cause of the failure system First, try all of the following solutions. >>>More
See if your memory is reversed?
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Internet cafes are divided into Internet hosts, and there is no need to use disks.