C.J Computer, Electronics and Printer Training and Repair

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25/09/2018

Like every piece of hardware, hard drives can fail. Mechanical hard drives in particular have moving parts that can (and eventually will) stop working. Even solid-state drives , which have no moving parts, can fail. Every drive has a limited lifespan before it kicks the bucket.
RELATED: What’s the Best Way to Back Up My Computer?
This is why you should always have a good backup—one day, your hard drive will fail, and you may not be able to predict it. But if your drive is acting a little wonky, you may be able to catch it before it dies completely.
How to Tell a Drive is Failing or Has Failed
There are several different types of drive failure. There’s the obvious one, where your drive stops working entirely. Perhaps your computer doesn’t even recognize it when it starts up and you see a message saying your PC has no hard drive, or perhaps your computer begins booting and just can’t get through the boot process.
There are also more subtle drive failures, where the drive appears to be working…but there are problems. Your PC may occasionally freeze, you may hear unusual sounds from the drive, you may experience data corruption, or your computer may detect bad sectors on the drive.
Any sort of clicking noise from a mechanical drive is a bad sign. This indicates the head, which reads and writes the data from the platters on the drive, has failed. It’s best to shut down the drive completely to avoid further damage and use a professional data recovery service if you need your data back. You won’t hear any strange noises from a solid-state drive, as they have no moving parts.
Do a S.M.A.R.T. Check
RELATED: How to See If Your Hard Drive Is Dying with S.M.A.R.T.
If you’re concerned your hard drive might be failing, you can check its SMART status . SMART stands for “Self-Monitoring, Analysis, and Reporting Technology”, and there’s technology inside your hard drive that attempts to identify whether it’s failing and tell you.
There are some big caveats here. First of all, SMART

25/09/2018

Do computers bring more benefits or problems in society?
Computers have become so necessary to modern living that it is difficult to believe that they are a relatively recent invention. We cannot live without computers, as they are involved in most of the everyday options. It’s really hard to imagine a life without computers.
In schools, students use computers to learn and teachers use computer in their teachings. All they need to do is just sit in front of the monitor and click the mouse. That means computers make the learning and teaching processes more efficient. As a result, students are all better educated. Although some people may complain students of becoming less concentrated on the lessons if computers are used, it is not the problem of using computers. That is the problem of the students’ behaviours. We cannot blame the computers, as it is the responsibility of students.
In offices, businessmen use computers to trade with other companies, especially those who are overseas. They can communicate with each other in a short time. Thus, trades can be finished in a more efficient way. Besides, they can collect the most up-to-date financial information from the Internet so that they can make the best decision. Moreover, computers are used to control the operation of machines. Therefore, the productivity of companies can be highly increased. According to a survey report, the computer-related medical claims had a 5% increase within the last two years, therefore it suggested us not to use computers in offices. However, illnesses are brought by the inappropriate computer-aid working facilities. Illnesses can be combated by using ergonomic desks or chairs.
In transportations, computers are used to control trains, ships and even the planes. The use of computers makes the itinerary more steady and safe. Since these computer systems are very reliable, pressures of the divers can be reduced. On the other hand, computers are used to control the traffic lights. They can ac

13/12/2017