Computer Hardware

Computer Hardware

Computer security

Computer security

Computer software

Computer software

 

Monthly Archives: May 2016

Careers in Computer Hardware Engineering

In simple words, computer hardware engineers are people, who take care of all computer hardware maintenance, they are assigned to. To enter this field, one obligatorily needs to have strong technical knowledge of computers. A software computer engineer may not know much about computer hardware, but a computer hardware engineer is well aware of how software works. This knowledge helps him solve hardware problems more efficiently and responsively.

Professionals in this field are responsible for carrying out research, contriving, participating in the development, and examining the installation, troubleshooting, and maintenance of all computer hardware. They are directly related to the care and maintenance of computer chips, motherboards, network components and devices, servers, databases, keyboards, modems, printers, scanners, and many more computer peripherals. The speedy advancements in information technology are predominately the outcomes of hardworking efforts made by these professionals.

Due to a rapid change in several technologies, computer hardware engineers are required to update their knowledge base accordingly, so that they can provide every possible service to their clients and customers. In this regards, they are offered technical trainings by companies which they work in. Companies also allow continuing technical education to upgrade their knowledge and skills. This all is done because the company needs their engineers to use their skills and provide maximum services, which may in turn have a good effect on other employees’ performance in the company.

The number of these engineers working at present is lower in comparison to other professionals in the IT field. According to a survey conducted in 2002, they collectively hold approximately 74,000 positions. Out of them, 40% engineers were operating in computer and electronics facilities, whereas 1/4th were providing their services in ‘scientific’ and ‘technical service’ companies that were associated to the IT industry. Others were catering to technical needs of several telecommunication giants. Nowadays, computer hardware engineers might have to pass through tough competition, as the number of degrees granted in the information technology sector has increased enormously. The job advancements principally depend on the years of experience in the same field along with required qualifications. If you desire to get into a computer hardware career, you are required to at least own a bachelor’s degree in the engineering field.

A prospective hardware engineer should also have a liking towards work and learning new technologies. Computer hardware engineers should have the capability of troubleshooting and finding potential problems as soon as possible to preclude severe loss in deliverables. Their working time is never fixed and may change according to the requirements of their services. They may be called upon by their respective employers in case of a technical problem in the server or database, which would be causing a problem to the company employees in carrying out their duties. Hardware engineers are required to have perceivable oral and acceptable written communication skills, to communicate with affected users, so as to interpret what issues they actually face. The main attraction in this profession is the pay scale. Referring to the salary survey stats of 2006, these engineers earned a handsome salary which was around $70,000 to $110,000 per annum.

With a rapid increase in the use of information technology among several industries around the globe, there is certainly a high possibility of an increase in the job opportunities of computer hardware engineers.

Computer Problems and Solutions

If you have a computer or PC, it will surely help in easing most of your problems. But with every computer comes along many headaches and complications, sooner or later. A computer is a machine and every machine breaks down sometime or the other. You do not need to run to the computer technician every time your PC crashes or is attached by a malicious software. If you know some simple solutions to the most common computer problems, it will help you save a lot of time and money. These glitches that can be solved by a common person like you and me in the world of computers.

There are many PC owners who think every time they face a problem with computer, they should contact professional help. True, but not every problem needs to be addressed by a computer expert.

How to Fix Computer Problems?

Problems with computer are divided into two groups, i.e., hardware problems and software problems. The hardware problems are related to the peripheral parts of the computer like the CD drive, hard disk, monitor, keyboard, etc. The software problems are more complicated. These problems include problems like modem problems, Windows not starting, drivers not found, etc. Understand what is causing the glitch and follow the standard procedure to solve the problem. The following are a few common problems and solutions to help you overcome the technical snag.

After Power Outage
Today there are many sudden power outages, voltage problems and spikes that can damage computers. These damages cause many technical and software snags and interrupt your work. This leads to loss of data, damage to the hardware, etc. due to sudden power outage. This is a solution to this trouble is use of uninterrupted power supply (UPS). The UPS can provide a constant flow of energy to the computer, even if you encounter a sudden power outage. This will provide you with ample time to save your data and shut down your PC, if needed.

Computer Performance has Slowed Down
You may notice your computer has slowed down considerably and even a simple command execution takes ages. This is because your computer is loaded with unnecessary files, fragmented data, corrupted registry, spyware programs, services, software, etc. that makes your computer slow down. Thus, you need to manage your programs and delete unnecessary data and software that you do not use or need, clean your registry regularly to help boost at least 30% of your computer performance speed.

No Sound from Speakers
You are in the mood to listen to some groovy music on your PC, but you get no sound from speakers, the solution to is to check the back of the computer and see if all the connectors are properly connected. The speaker or single stereo speaker plug should be put into the socket on the soundcard that has a mark Audio Out.

Computer Monitor Displays Fuzzy Images
A computer monitor is the display unit of the computer that is sensitive to electro-magnetic radiations. These electro-magnetic radiations are transmitted from the TV, radio, microwaves, dishwashers, washing machines, speakers, etc. Mobile phones transmit electro-magnetic radiations that is one of the main cause of monitor displaying fuzzy images. Thus, move away these disturbances away from the monitor and this problem with computer monitor will be fixed.

Computer Freezes with Blue Screen Hijacking Your Display
There are many problems that can cause your computer screen to freeze and blue screen to appear. This screen is called the Blue Screen of Death (BSOD). This may be due to a spyware or computer viruses that have affected your computer. You need to update your anti-spyware and scan your computer for any viruses. If your computer is free from any such malicious software, then you may need to update your hardware drive. A hardware drive that is not updated may cause the CPU to lock up and interrupt working of the computer. If you find the problem cropping up even after a hardware drive update, then you may need to increase computer RAM. When you increase the RAM, the computing power increases and you will also be able to avoid the computer freeze. At times, BSOD may appear due to critical errors in the driver, software or registry problems. Windows may have to repair or reinstall missing components. If you do not find any visible cause, it would be wise to call the computer technician.

Computer Reboots Itself Again and Again
Another common problem with computers. In order to fix the problem of rebooting itself again and again, you will need to check the hardware. You may have a faulty power supply, defective or dirty cooling fan, etc., that may cause the computer to reboot again and again. The dust that accumulates on the fan, makes it heat up faster and in order to cool down the computer automatically switches off. Thus, clean the fan and check for power supply. Following these simple steps will help you to solve these problems with computer.

Computer Makes Strange Noises
Noises and vibrations from your computer are a hardware problem. Many electronic parts can make high pitch noises. You need to switch off your computer and unplug it from the power supply. Now remove the case from the CPU and restart your computer. Locate the origin of noise and then switch off the computer and unplug it. It may be a faulty fan, loose wire or screw. This means you will need to call the computer technician to help you solve your problems with computer, regarding these type of problems.

Windows Having Problems in Shutting Down Properly
You may have come across the message ‘Windows Shutting Down’ instead of ‘It is now safe to switch off you computer’. This is because a program has not unloaded itself properly that makes the computer insist to run a scandisk the next time you switch on. You need to close all the programs before your shut down your PC and if it is not done, the computer waits for the program to close. It may happen you get the message ‘Do you want to shut this program down or wait’ or you may not. When you don’t get such a message it results in what we call the hanging of the operating system. The solution is not to install Direct X whenever you install a game. Most games have their version of Direct X that makes the files out of sync. Thus, install the latest version of Direct X and not the games version. You may need to also check USB devices, task scheduler, virus scanners, etc. and reinstall them if necessary. This will lead to correct installation and the problems with computer may reduce.

Computer Gives Error Messages on Start-up
Many times when you switch on you computer you see error messages on your screen. These messages may appear such as, abclink.xyz missing or damaged – press any key to continue. If you see this message, you need to press keys for about 8 to 10 times, before Windows actually resumes. This happens when you delete a program instead of actually un-installing it. If you wish to get rid of any program, go to Control panel —> Programs —> Programs and Features. Here, you will find a list of programs installed on your computer. Select the specific you wish to delete and click on Uninstall. The program will be removed from your system and next time you switch on your PC, you will not get any error messages saying a link is missing.

Low Virtual Memory
Do you keep getting an annoying message that says ‘system running low on virtual memory’? If yes, it means your computer is running short of RAM, that is, Random Access Memory. So, to solve this problem, you need to increase the size of your computer memory. Windows 7 users need at least 1 GB of RAM, Windows Vista needs 512 MB of Ram and Windows XP requires minimum 256 MB RAM. Visit your local computer dealer and purchase more memory from him. The dealer may even install the memory for you. This will help you get rid of low virtual memory.

You can avoid these problems if you are aware of the various steps needed for computer maintenance. You should read the manual given with computer before you begin using it. Yes, the manual may sound Greek to you, but it’s always better to know the simple precautions to be taken. The troubleshooting is not an easy task. If you do not understand anything or are still apprehensive about these troubleshooting, then it is a better idea to consult a computer technician. You have many articles on the Internet that help you find solutions to various problems with computer. You do not need to be genius to diagnose and troubleshoot a simple problem. Many times a bit of presence of mind and common sense will help you overcome obstacles of the technical world.

Tips to Send a Text Message from a Computer

There are a lot of people who have a general misconception regarding how emails are sent to cell phones. They think that for sending an email to a mobile phone, the recipient should inevitably have Internet access. However, the fact is that even if the recipient does not have access to the web, he can still receive the emails that are sent from a computer.

If you want to send a text from a computer to a cell phone which does not have web access, you will need some details such as the recipient’s phone number and his service provider. You can also directly dispatch it to his email inbox.

Sending an SMS or Email to a Mobile Phone Without Internet Access
The main disadvantage of doing this is that, the recipient will not be able to see the message in the email format in which it was sent originally. He will only receive the email in the SMS format. In such situations, the sender will have to use the email to SMS gateway technology of getting emails and SMS across to the recipient.

Sending an Email to a Web-enabled Mobile Phone
If the cell phone user has access to the web, he has the option to view the email in the format that was used while sending. However, in this case, the sender will have to use the standard email method of sending the email to the recipient’s email account inbox. The recipient will have to use the GPRS or Wi-Fi technology to access the web from his cell phone.

How to Send a Text from a Computer?
To dispatch messages from a PC to a mobile that doesn’t have an Internet connection, all you need to know is the SMS gateway address. Nowadays, majority of cell phone service providers have SMS gateways which do the job of receiving emails and transferring them to the recipient’s cell phone in a text format.

If you do not know the service provider of the recipient, you can find it with the help of the Internet. Use a site that provides information by simply entering the phone number. From such websites, you will get the name and also the service provider of the receiver. Once you know the service provider, you can determine the appropriate SMS gateway address.

Service providers have their own email to SMS gateway addresses. A typical pattern of the receiver’s address would be his ‘cell phone number@company’s extension.domain name’. For example, if the receiver is using Verizon Wireless, his SMS gateway address would be somewhat like, 1124233443@vtext.com. You simply have to email the SMS gateway, which will then mail your message to the recipient in the form of SMS.

Tips to Start a Printer Repair

Computers have reduced human efforts to a great extent. The tasks which would otherwise take several hours can be done in a very short period of time using a personal computer. However, after all, a computer is a machine which can have technical problems. A machine which does not function efficiently would be almost useless for the owner and hence, the demand for computer repair professionals is high. If you are good at computer repairs, then starting a printer maintenance business would be the best venture for you. Given below are some steps on how to start a printer repair business.

Get Necessary Technical Knowledge
The printer repairing business is technical in nature, and if you do not have a technical background, then it is advisable that you do a hardware and networking course from a renowned institute. Also, working as an intern in a computer repair shop will help you know much more about this business.

Choose a Good Business Name
The first step is to think of a catchy name for your company. While choosing a name, you have to take care that the name is not the same by which someone else is running his business. By having an impressive company name, you will be able to create a brand and get a unique identity in the market. Also, have a well maintained website which will give all essential details of your offerings and services to your clients.

Get the Infrastructure in Place
Any business requires proper infrastructure to grow and excel. So, you will need a commercial premises where you will be repairing printers of your clients. Make sure that the business premises is in a prime business location so that you can quickly bring damaged printers there and return them immediately after repairing. If you find it difficult to buy a commercial space, you can consider the option of renting it or having a long lease. Consider the following points while selecting a place for the business:

  • Adequate human resource
  • Sufficient space
  • Accessibility
  • Security
  • Test equipment and tools

Complete Legal Formalities
To start any business in the USA, you should complete legal formalities first. My suggestion would be that you should consult the Small Business Administration and Taxation Bureau to know of the legal formalities to be completed. Getting license and liability insurance is essential for a printer repair business. It would be advisable to consult an attorney who can guide you through the entire legal process

Get Essential Finance
You require funds to run any business successfully. Apart from your own capital, you would require more funds to pay your employees and purchase printer repair materials. So, sign up with a bank for a cash credit facility to get continuous finance for your business.

Make Contacts With Small and Medium-sized Companies
Making business contacts is important. Meet the company executive and managers and give them your card. Try to understand what problems they are facing with their printers and offer them solutions for the same. More the number of clients, more would be your total revenue and hence networking is absolutely essential. You will be able to get more clients by joining a Chamber of Commerce. With more concentrated efforts, you will be able to get more big companies as your clients.

Offer Quality Service
The success of your business depends on the quality of service you offer to your clients. To satisfy them, you need to understand printer problems carefully and provide appropriate solutions to deal with them. Do test the printers yourself to make sure that the technical faults have been dealt with properly. Always deliver the printers before the promised time to indicate your level of professionalism. Keep your pricing competitive and attractive to gain more clients.

Since computer printers are being used extensively, opportunities in their repair and troubleshooting are many. You should try your best to grab these opportunities and also provide consultation services along with repairing. Good luck for the venture!