note Aspects 1. Regularly dust the Power box. The Power box is the most dusty parts, but also regularly add lubricating oil to the computer fan to avoid the fan to produce a lot of noise, the health of people is not good.
Note Aspects 2. Recommended to buy a computer when choosing a good quality power supply, such as Air Ka, the Great Wall, and some of the daily life of some computers are somehow restarted also with the power supply has a relationship.
Note Aspect 3. The power supply used by the computer should be separated from the lighting power source, paying special attention not to use the same socket with high-power electrical appliances, preferably using a separate socket (high quality, do not use those lines are very thin, sockets are not very strong ones). Keep the power outlet including the multi-use plug good contact, placing a reasonable not easy to stumble, as far as possible to eliminate accidental power-down. If conditions permit, it is recommended to purchase equipment such as UPS or regulated power supplies to ensure that the computer provides a clean power supply.