How to use computers reasonably

Computers are very common now, and the correct use of computers can promote the extension of computer life.

In order to open and close it correctly

The computer can be turned on and off correctly, which greatly improves the service life. Because the computer will get a big electric shock at the moment of switching on and off, it will send an interference signal to the host, which will cause the host to fail to start or appear abnormal. Therefore, when starting the machine, power on the external equipment first, and then power on the host. However, if individual computers turn on external devices (especially printers) first, the host computer will not work normally. In this case, the reverse boot order should be adopted. On the other hand, when shutting down, you should turn off the host first, and then turn off the power of the external equipment. This can prevent the components in the host from being subjected to a large electric shock. In the process of using the computer, we should also pay attention to the following points: Moreover, the WINDOWS system cannot be turned on and off at will, and it must be turned off normally; If it crashes, you should try "soft start" first, and then "hard start" (press the reset key), but "hard shutdown" (press the power switch for a few seconds) is really not good.

What should I pay attention to when the computer is running?

When the computer enters the desktop, you should wait for about 30 seconds before running various programs. Because there are still many background programs executing when the computer enters the desktop, the load on the processor is the biggest at this time. If users run other desktop programs, it will increase the burden on the processor, and the running speed will be slow or even unresponsive, which is counterproductive. When you want to run a program, you only need to double-click it once. Don't double-click many times without response, the waiting time will be longer. When the computer running the program does not respond, we can use the task manager (shortcut key ctrl+alt+del) to end some unused processes to speed up the response time of our computer. Don't install too much antivirus software in your computer. Generally, one is enough. Don't carry out a comprehensive anti-virus every once in a while. Antivirus will still do great damage to the hard disk and reduce its service life.

Environmental aspects

Computers have requirements for the environment in which they are used. Bad environmental conditions will affect the use of computers and even cause computer damage. So you should pay attention to the following environmental factors:

(1) power supply

Good power supply is the basic condition for the normal use of computers. The basic requirement of computer for commercial power is that the commercial power voltage should be stable in the range of 220 V 10%, and there will be no instantaneous power failure. If the voltage of your computer is unstable, consider installing AC voltage regulator or online UPS power supply for your computer.

In terms of power supply, computers not only require stable voltage, but also a new generation of computers require reliable grounding. The requirement of grounding is a necessary and sufficient condition for the national compulsory electrical products to meet the requirements of 3C certification. If you can't make the computer reliably grounded, unexpected failures may occur in the process of using the computer, such as inexplicable crashes and restarts. At the same time, reliable grounding is also a favorable guarantee for users to use computers safely.

So, how to judge whether there is a ground wire in the computer use place? In general, new buildings will have ground wires. When in use, the computer can be grounded correctly and reliably as long as the wiring board with three plugs is used. In addition, there are similar devices on the market to check whether the power socket is connected to the ground wire. Using this device, it is easy to measure whether the power socket in the house is connected to the ground wire. Of course, you can also ask the property manager to find out if your house has a ground wire.

(2) Lightning protection

Brand computers have designed lightning protection measures for you at the time of design. However, in order to avoid thunder and lightning, it is recommended that you cut off the power supply of the host computer, monitor and other equipment, unplug the network cable of the host computer, and then reconnect after the thunderstorm.

(3) Temperature and humidity

The requirements for temperature and humidity in computer use are not high, as long as it is normal. Normal temperature and humidity means that the temperature is in the range of 10 to 35 degrees and the humidity is in the range of 40% to 80%.

If you plan to leave the computer for a period of time, such as during school holidays, in this case, the requirements for the environment are generally lower than those in use, as long as it is not too wet. However, when you want to use these computers, please do not turn them on immediately, but leave them in a well-ventilated environment for a period of time (one to two days) and turn them on after the use environment is satisfactory.

(4) Static electricity

Computers are composed of tens of millions or even hundreds of millions of transistors, and static electricity is simply a natural enemy for them. Especially in dry areas, static electricity is more harmful. The so-called static electricity, in fact, we often encounter it. For example, in dry winter, when you touch someone or a door with your hand, you will feel tingling, which is the performance of electrostatic discharge. The harm of this kind of static electricity to electronic equipment is very hidden, that is to say, the damage it causes is usually imperceptible and can't be detected by ordinary testing instruments. Therefore, it is more necessary to prevent the damage of static electricity to computers. So what can we do to prevent static electricity? In fact, as long as you wash your hands and touch metal objects (such as radiators and water pipes). ) Before touching the internal parts of the computer, the damage of static electricity to the computer parts can be eliminated to a certain extent. If possible, wearing an anti-static bracelet when disassembling computer parts can basically eliminate the harm of static electricity.

(5) Dust

In terms of dust prevention, as long as the place where the computer is used is relatively clean. However, for computers that have been used for a long time, it is recommended that you regularly clean the dust on the computer, which can reduce the possibility of computer failure and prolong the service life of the computer. Because dust accumulates too much in the computer, it will make the components in the computer short-circuit and produce electrostatic discharge, which will affect the heat dissipation of the computer. Therefore, regular dust removal (that is, cleaning) is very necessary. Cleaning includes two aspects, one is the host, and the other is peripherals such as monitors and keyboards. As far as the mainframe is concerned, the cleaning method is relatively simple. First of all, you have to disconnect the power supply of the computer (that is, unplug the power cord), then open the cover of the case and use a brown brush or vacuum cleaner to sweep or blow off the dust on the internal parts of the computer. During this operation, be careful not to use too much force or damage computer parts. If you have no experience in this field, you'd better ask an experienced friend for help, or you can call the service number for help. In the cleaning of peripherals such as monitors, mainly monitors, keyboards and mice. Cleaning of the monitor. Mainly to clean the display screen. When cleaning, gently wipe the screen surface with a semi-dry cotton cloth to wipe off the dust accumulated on the screen.