The motherboard problems are often caused by faulty cabling connections. Before you buy a new motherboard, make sure you check the cables. The microprocessor and adapters should be plugged in the right place in the motherboard so that the computer can turn on without problem.
If the power light does not show up, it may mean that you unplug the power cable. You should check the power cable and make sure that it is plugged in tightly at the correct outlet.
It may also be caused by a defective power cable. To find out if the cable is defective, you can plug it into a different computer that is working properly. If the computer cannot be switched on, it indicates that the power cable is damaged. You should replace the cable with a working cable.
If the power supply fails, the computer system will not start. You will know if it is a power supply failure by checking the switches at home. If the switch is on but there is no light, it means there is something wrong with the power supply. You can make a phone call the electricity company and ask him to perform a check on the power supply.
If the wall outlet is faulty, it will prevent the electricity from flowing to the computer. To find out if the wall outlet is faulty, you can plug in another electrical device to see if it is working properly. If the electrical device did not work as it should, you should replace it with a new outlet. It is best that hire a technician to install the wall outlet if you are not skill in DIY project.
Sometimes, the inoperative system is caused by loose expansion card and damaged floppy disk drive. If the expansion card is loose, you must remove the cover of the tower and plug it securely.
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