Posts Tagged ‘Hardware’
Only Proper Computer Hardware and Networking Products Can Make a Difference to Your Business
June 25, 2010 | 
Author Networking is an important aspect for firms all over. No matter what type of firm is, there is a prompt need for them to maintain apt network. Firms need small and large business networking solutions to effectively run their business. There are specific firms for network installation service, and such firms also take account of network security & support services. Thus, no firm can get away with proper computer hardware and networking products to have long term gains. There is a network monitoring software to help you keep better track of network security and support services.
This specific software helps firms gauge all their critical network elements like mail servers, WAN links, business applications etc. It also assists firms to make out their whole LAN infrastructure that has been made up of wireless routers, load balancers, non-standard devices, printers, and switches. The network monitoring software is of immense help and can also check for viruses and virus attacks. Moreover, it also checks for server downtimes and uptimes. You also get the backing-up of your significant folders and files besides having a synopsis of your bandwidth usage through other versions.
Firms also get the collective package of asset management, Local Area Network (LAN), Wide Area Network (WAN), WAN traffic analysis function and server with the help of the majority of Network monitor software. With such software, the monitoring of computer network has become almost an easy task.
As soon as there is some problem, Network monitor software automatically alerts network administrator and has got the ability to monitor and notify almost everything linked with the network related issues. Identifying future and present problems, monitoring LAN and all network equipment components and troubleshooting almost all network linked issues are tasks that the software does with great ease. Network administrator and system specialists are breathing easy with this specific software.
Internet servers, intranet servers, event logs, modems, database, routers are constantly monitored with it. With it, your data is gathered on remote machines through Remote Registry service. As soon as a network related problem gets detected, the network monitoring software instantly and automatically sends alert with the help of e-mail, SMS or network message.
Thus, your network related issue gets solved with this specific software. Online mode can also help you in networking problems. In case the firm is in down under, then it can get benefits for its networking related issues by Remote Network Support and Monitoring Services Australia.
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Diagnosing Computer Hardware Faults
When your PC goes wrong and you have lost all hope the normal final stage is to reformat your computer and start afresh. This will most likely resolve any software issues, remove viruses or any other nasties and give you a clean start. But what happens if you have already reformatted and the problem still exists?
This means, most likely, you have a hardware fault. This is where problems can start.
Diagnosing a computer hardware fault can be a right pain as any of the computer components could the cause. Unless you are intending to replace the entire machine you need to carefully diagnose with what components the fault lies with.
I would advise you look at the computer into these main areas to analyse.
Memory / RAM
Power Supply
Hard Disk
Motherboard
This isn’t a complete definitive list, obviously depending on your issue ie if your issue is that you don’t get sound then it could be a sound card issue, similarly if you don’t get a display then graphics could be the culprit. If it is a random fault then either of the above could be the cause.
Memory – this is fortunately quite easy to diagnose. Search the Internet for a memory tester. Generally these can be put onto a CD (or Floppy if you are stuck in the past!!), boot up from the CD which then enters the memory test. This will constantly cycle through, testing the memory for errors. It is wise to leave this on for several hours or even better over night. It will advise you if the memory fails.
Power Supply – this can be a strange one. People generally assume that if the power supply does fail then you would get no life from you computer at all. This sometimes is not true. I have had computers that turn off at random times, computers that have the power light on, but do not start up etc and it has turned out to be the supply – I would advise this should be one of the first things to test as can be a problematic area. Testing it can be difficult without the right equipment. Really the only way is to get a volt tester and check the voltage and current coming out.
Hard Disk – this can be one of the worst problems to have as if your hard disk does fail, unless you have been sensible and done regular backups of your most valuable data, you stand to lose it all. Hard disks can go at any time and usually you will hear a harsh sounding clicking noise that is coming from your computer. If this is the case you need to probably replace the hard disk. Get someone who then knows what they are doing here to try and recover your old data for you.
If none of the above solves your problem then you could possibly be looking at the fault being with the motherboard or any other plug in cards or devices you have. Remove everything to leave only the very basics. Take out all sound cards etc and any other PCI devices that are not essential. If you have more than one stick of ram then leave in only one and see if the problem resolves.
Really, solving hardware issues comes down to a case of trial and error here so take the time to test everything out. Bear in mind that even if your keyboard or mouse is faulty, very strange things can happen to a computer, so if you can, try to remove and test every single item.
Types of Computer Hardware
Computer hardware is a physical part of a computer that executes within the hardware. It is unlike computer software or data that can be frequently changed, modified or erased on a computer. Computer hardware is not frequently changed and so is stored in hardware devices such as read only memory (ROM) where it is not readily changed.
Most computer hardware is embedded and so is not visible to normal users. Below are the different types of hardware’s found in a computer.
Ø Motherboard: It is the central or primary circuit board making up a complex electronic system such as a computer. A motherboard is also known as a main board, logic board or system board.
Ø Central processing Unit: A CPU is the main component of a digital computer that interprets instructions and process data in computer programs.
Ø Random Access Memory: A RAM allows the stored data to be accessed in any order. RAM is considered as the main memory of the computer where the working area is used for displaying and manipulating data.
Ø Basic Input Output System: BIOS prepares the software programs to load, execute and control the computer.
Ø Power Supply: Power Supply supplies electrical energy to an output load or group of loads.
Ø Video Display Controller: It converts the logical representation of visual information into a signal that can be used as input for a display medium.
Ø Computer Bus: It is used to transfer data or power between computer components inside a computer or between computers.
Ø CD-ROM drive: It contains data accessible by a computer
Ø Floppy disk: It is a data storage device
Ø Zip Drive: It is a medium capacity removable disk storage system.
Ø Hard Disk: It is a non-volatile data storage system that stores data on a magnetic surface layered unto hard disk platters.
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Buy Quality Computer Hardware Online
Computer hardware means the physical part of a computer. No software or program can do anything without proper hardware. Moreover the success or performance of a software program depends completely on the computer hardware being used. So it becomes absolutely important that we buy quality computer hardware.
Now that you have decided to buy computer parts, the next big step is where to buy them from. One tends to always buy from a friendly neighborhood computer hardware dealer. But, with the advent of Internet, one has the convenience of going through literally hundreds of product catalogs and arriving at a purchasing decision.
The Internet is a popular place to check out computer hardware sales, but you must be sure that when you buy hardware (or any purchase) over the Internet, the site offers some kind of security to prevent information about you from being stolen.
Buying a computer part online is often cheaper than buying it from a dealer, as the overhead costs are reduced. This means that you pay less and get more. This is one advantage that has led people in increasing numbers to shop for parts online, especially from a wholesaler. Since the entire sales channel is literally cut in half, you do not pay for the extra margin, which you would have had you purchased the same from a retailer. There is also the convenience factor of shopping online.
In fact, cheap and discount computer hardware is very easy to find online. Whether it is notebook parts, input devices, printer, printer supplies you can find them extensively advertised and sold online.
One should always take care to ensure that the parts that one is buying are genuine. What this means is that one should always buy these computer hardware from a reputed online dealer.
Computer hardware UK offers quality computer hardware online
Computer Hardware ? Turn to the Greener Side
Many people know how to use a computer but only few are aware of the great need for disposing off the used parts of a computer, in a safe manner. Many IT organisations have failed to assume sufficient responsibility for the ultimate end of used PC. The first step to be taken towards greening the computer hardware should be initiated by the manufacturers and retailers end. Manufacturing and selling companies should take a closer look at the policy of the IT organisation, towards the PC and computer hardware take back, before even buying. They should also keep account of the Electronic Take back Coalition, and maintain a list of recyclers that have pledged to adhere to certain corporate responsibility standards, including incinerate e-waste.
Even the people who own computers at home should be not reckless regarding the disposition of their used computer hardware. They too should be conscious about utilizing waste in the right manner. The initial step is not to throw away any used or outdated computer hardware in the dumpster. Instead recycle it. Be it your hard drive, monitor, keyboard, mouse, or printer, one can dispose it by recycling it in the right manner. Today, there are many recycling centres like City of Lubbock Solid Waste Department in Texas. Here they inspect all the disposed parts of a computer to check whether any hardware is working or not. Special care is taken to assure hard drives are completely erased prior to refurbishing activities. They have their own group of engineers who refurbish these computer particles and offers them to the state agencies counties, cities or school districts at no charge.
Some other ways to make your computer hardware green are discussed below –
Green Search – Instead of using the Google search engine, use Blackle.com. This is an eco friendly site that works on black resolution, thus saving less energy that is consumed by the white resolution. Further there is option for switching to black wallpapers and screen savers that consume lesser power than white or colored backgrounds.
Use LCD Screen – Replacing your CRT monitors with LCD screen will help you save up to 70% of electricity and the lifespan of the LCD is also twice more than the CRT.
Optimise Your PC’s Power Setting With iYogi Toolbar – One can optimize energy consumption of a PC by switching it to the power saving mode. For this one can take the help of Yogi Green PC tool bar that can be installed on all Windows-based systems.
Switch to Vista Green – Power consumption in Windows Vista is less than in Windows XP. Switching off to that mode will help one saving a lot of energy.
Last but not the least, always remember to shut down the monitor when not in use. Always remember to unplug all the input as well as storage devices to save power.
Its time for everyone to realize the environment hampering that are caused by throwing the e particles into waste bins. The impact of that negligence on the environment worldwide can be huge. It is estimated that around 1.8 billion pounds of PCs are retired worldwide each year, but only about half —865 million pounds—are processed by recyclers, as per the report issued International Data Corp. Although some of the remaining 900 million pounds of computer hardware is rebuilt or reused, much of it is just plain discarded into landfills or incinerated. Incorporate the above few points, the next time you are thinking of discarding these unused or old parts of your computer.
Computer Hardware Recycling : a Challenging Task on the Face of Earth
E waste is one of the most serious issues that has engulfed the whole world. The obsolete computers, if not treated properly can become a major source of toxins and carcinogens. Rapid technology change, low initial cost and even planned obsolescence have resulted in a fast growing environmental concerns across the globe. Though many countries boast of technical solutions but in most cases a legal framework, a collection system, logistics and other services need to be implemented before a technical solution can be applied. E waste comprise 2% of America’s total trash and 70 percent of overall toxic waste. In the United States, an estimated 70% of heavy metals in landfills come from discarded electronics.
Recycling is one of the most effective ways to prevent the hazard of e waste. Many material used in the construction of hardware can be recovered and recycled. Reuse of tin, silicon, iron, aluminum, and a variety of plastics – all present in bulk in computers – is possible and can reduce the costs of constructing new systems. Electronic devices like including audio-visual components (televisions, VCRs, stereo equipment), mobile phones and other hand-held devices, and computer components, also contain valuable elements and substances that are suitable for reclamation. Powering and cooling computers is an increasing contributor to global warming and the power it consumes also contribute to a negative effect on the environment.
In this regard, various government as well as non government agencies have taken significant initiatives to curb it. One of the main organisation that takes the responsibility of checking the e waste is CFA, that installs various measures to aware computer hardware manufacturers as well as consumers about the hazards of e-waste. Information on the dangers involved in improper disposal of computer hardware is provided to the computer labs. The supply of quality hardware is also restricted to beneficiaries only. CFA provides comprehensive on-site ICT support to beneficiaries, ensuring the equipment functions for the longest possible time with the greatest positive impact.
To counter this further, Userful desktops are being deployed all around the world with a typical configuration of six stations per computer. Research has shown that Userful products can reduce electronic waste by up to 80 percent, further decreasing its environmental footprint. It was supported by the data that stated that in the past year, Userful desktops have helped to minimise the computer hardware waste by 29,000 tons of CO2 emissions, which is equivalent to taking more than 5,000 cars off the road.
The consumers too need to get sensitive about the whole issue when the impact of computer hardware on environment, is in discussion. We should look for eco friendly ways to dispose off the computer waste and follow the recycling programmes all over the country. There are various companies like Sony, Toshiba and Gateway that offer take back programmes that provide monetary incentives for recyclable and/or working technologies. One should go for reuse and up gradation of the present PC unless it is very essential to dispose off. Selling off the old computers to the used product market is another option.
Posted in Hardware | Tags: Challenging, Computer, Earth, Face, Hardware, Recycling, Task | No Comments »
Courses in Computer Hardware
Computers have become the most dependent source these days. Be it any work, from the starting point, that is forming a document, till the end point of communicating it to the concerned person, computers has overpowered the whole professional and personal lives of human being. The technological developments, which has made the lives of human much easier and convenient, has made the access to information and people just a click away. The study of the computer as an education is broadly divided in to hardware and software fields. The internal or the programming part of the computer systems, because of which the computer as a machine runs and works on the commands of human mind is called the software of the computer systems. Hardware constitutes the outer structure of the system, which enables the execution of all the software programmes in a computer system.
The students, who do courses in computers software and hardware are called, software and hardware engineers respectively. The role and the influence of computers has increased so much in the personal and professional lives of human being that one cannot even think of leading a life without computers. The dependency of human mind on these machines have really increased a lot, therefore the requirement of software and hardware engineers have also touched heights in the present scenario. In fact, the rate with which the world is developing, the demand of these engineers is sure to rise to a great extent in the coming future.
Computer Software courses are important, because they are the source, due to which system works, but more important than this is Computer Hardware courses, because without the system itself, one would not be able to implement the programmes and take use out of it. Courses in computer hardware have become popular in today’s world, due to the increasing usage and dependence of computers in the life of a common man. And after all, computer is a machine, and like a human body needs its doctor to fight with the diseases attacking the body, therefore, computers also needs it technical doctors, called hardware engineers to rectify the hardware problems of the system.
A computer hardware course teaches the students to deal not only with the monitor or screen of the computer. But, the functioning of other parts like, keyboard, mouse, speakers, wires, CPU, UPS, etc are also taught to the students of computer hardware course. The hardware courses are becoming popular with the graph of technological developments going up day by day. Some of the courses, which a student can opt for doing job in the computer hardware industry, are:
v A+ Diploma in Hardware
v Certificate course in hardware
v Microsoft Certified System Engineer
v Cisco Certified Network Administrator
v Red Hat Certified Engineer
The importance and need of a computer hardware course is important for the student to learn and make himself aware of the latest developments in the field of computer hardware and to know the depth of the subject. Networking as a subject has also been added with the hardware courses these days, due to demand of networking administrators and consultants these days. The students are taught about the different ways of connectivity to make the communication process more easy and reliable. Some of the institutes or colleges providing courses in computer hardware and networking are:
v Institute of Hardware Technologies, Delhi
v National Institute of Information Technology
v ACIT, Mumbai
v Jet King Info Training, Kolkata
v Network Expert, Bangalore
v Net Max Tech, Chandigarh
v New Delhi Institute of Technologies Pvt. Ltd, Noida
v Supersoft Solution Provider, Bangalore
v Amrita Institute of Computer Technology, Secunderabad
v Institute of Electronics and Computer Technology, Chennai
These colleges provide a range of courses in hardware development and networking, making it easy for the students to withstand and compete the majors in the field of technology.
How Do I Learn More About Computer Hardware?
Because there are many different kinds of computer hardware and products in the industry it makes sense that there are various different computer hardware magazines to choose from also. These computer hardware magazines can be used by computer users to get good ideas of what computers are going to be better for one to use. These magazines include ones that can be used for information on hardware that can be used for business or for fun. Apple computer hardware is also covered in magazines tailored for Apple users too. Here is a look at some of the many computer hardware magazines that are on the market right now.
For those who are new to the world of computers First Glimpse is one of the best computer hardware magazines to use. This features information on not only the best types of computers to use but also other forms of electronics that are used in society today. This is great for those who are looking to learn more about computer hardware and how it works for a particular computer.
People who are interested in computer hardware for business purposes should know that there are also computer hardware magazines that cater to their needs. InfoWorld, for instance, is a magazine that works with information technology hardware. This includes data and news on products in the IT industry.
EWeek is another of the computer hardware magazines for those who are looking for computer hardware for business. This magazine is famous for its lab tests of software and hardware that is used for enterprise purposes. It also covers products in the IT industry.
There are also computer hardware magazines that work with computers for entertainment purposes. Maximum PC is one of the country’s top computer hardware magazines. Known for its interest in entertainment services from computers and its sense of humor, this works especially with hardware that can be used for entertainment programs on the computer. This includes information on how to make top performing computers and how to make computers that perform very well without having to spend lots of money. Inspections of various different types of computer hardware are also featured.
PC Gamer is another big name product in the world of computer hardware magazines. While this magazine does more to cover computer games as a whole computer gaming hardware and other pieces of hardware for entertainment purposes can be found in this magazine too. This includes video cards, monitors and audio systems that will work great for computers. These technology products can be used not only for games but also for entertainment products and for home theater systems based out of a computer.
There are also computer hardware magazines that are for Apple users. Macworld is the most widely produced and famous of these magazines. This includes information on hardware that can be used with Apple computers and comparisons of various different Apple products and hardware that can be used in the line of computers. Information on tuning up an Apple computer for maximum hardware performance is also included.
MacAddict is also for those who use Apple computers. This features information on hardware that is included in new Apple products and on upgrades that can be used with Apple computers. Details of other products in the Apple universe and even software demos of new programs that can be used on Apple computers are also featured here. Full video previews of the hardware featured here is included in video discs that come with issues of MacAddict.
Those are some of the many computer hardware magazines on the market. Whether it be for a first time user, one who is interested in information technology hardware, a person who wants to improve the entertainment quality of the computer or even an Apple user there’s a magazine for everyone. These magazines can be found at a typical bookstore that sells magazines or at a computer product store.
Cleaning Your Computer Hardware
Cleaning you computer hardware
Computers, as appose to other electric or electronic devices, are not maintenance free. Quite the reverse, it occasionally needs hardware cleaning. This will not only give your computer top performance, but will also prevent many unforeseen computer breakdowns,
The obvious reason is, after we use the computer for 6 – 12 months depending on the environment, it will have a layer of dust sitting on it. This happens even when we position our computer in a clean room. The computer parts in my own house always collect a fair amount of dust.
It would, therefore, be advisable to give your computer a clean up twice a year or so. But before we do it, we must do some preparation. First, get a piece of paper, a pen, screw driver, brush and a small can of spray that clean the metal parts of the electronic circuit.
When we are ready, unplug the computer completely and take only the case out to a well ventilated area. Open the case and take note of what you will be doing below (This is important to help you put it back correctly).
1. Unplug all the devices from the mains supply. These include hard disk, floppy disk, DVD Rom, CPU fan, and the main power supply plug from the main board.
2. Take the main board battery off.
3. Unscrew all the attached cards like Monitor, LAN, Modem, USB, Sound, CCTV, if there is any (the newer main mother board now has most of these collectively assembled on the main board) and pull them out carefully.
4. Use the brush to dust off all the computer parts.
5. Erase the bronze color stripe part of the cards. Rub them hard until they shine.
6. Spray clean the main board, IC or chip spikes, and the needle like metal parts of the hard disk, floppy disk and DVD ROM.
7. Spray also all the metal parts that protrude out from the main board at the back of the computer case. (Do not wipe with paper or cloth if you over spray as it may cause damage to it. Just let it dry ).
8. Put back all the cards and screw tight.
9. Plug back all power supply lines.
10. Insert back main board battery.
11. Close the case and take to join back to the monitor, keyboard and mouse.
Few words of caution:
1. Please make sure you write down the details when you unplug or unscrew things. You will need them when you put things back.
2. Do it gently and patiently. Do not force your way through in anyof the steps.
3. You know how to reset your CMOS-BIOS after you put back the main board battery. (You may bypass steps 2 & 10 if you do not. But be careful not to spray right on the battery to prevent short circuit)
This will restore your computer hardware back to its original new look when you first bought it. Performance will drastically improve also comparing it to before the cleaning was done. It will enhance further with some adjustment to the software.
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Save Your Time & Money With Easy Computer Hardware Troubleshooting Tips
What happens when you experience problems with your computer hardware? Do you panic and battle to make sense of what is happening, or can you clearly relate to your computer technician what went wrong and where you believe the problem could be? In this article we will teach you some basic steps for hardware troubleshooting in order to save you from unnecessary expenses and to help you feel more confident when working with your computer.
To avoid problems if your hardware does crash, it is best to have a backup routine in place. Then, if you have backed up all your files, you do not need to fear losing any important documents and by following a few simple steps you should soon have your computer in working order.
Start by checking whether there are any minor problems which could be causing your computer not to work, such as a loose cable, lack of power, etc. If everything appears to be plugged in properly then check that your electric outlet is working properly by plugging a lamp into it. If you are still not sure where the problem lies you are going to need to do some more basic hardware troubleshooting.
Then you can switch on your computer and watch what happens. A number of things should take place:
1. Firstly, when you start your computer the power-supply fan should activate
2. The light on your keyboard should flash
3. A BIOS message should come up on your computer screen
4. A memory test should flicker on the screen
5. The floppy disk light should flicker briefly
6. The hard drive light should flicker
7. The system will make a beeping sound once it has completed the initialization process
8. The floppy disk drive light will flash again before it switches to the hard drive
9. If you are running Windows you should now see the starting Windows message
Determine which of these steps take place and which do not you are able to see where the problem lies and do your own basic hardware troubleshooting. For example, if the light on your keyboard doesn’t flash then there is probably a problem between your keyboard and the computer. You wouldn’t replace a disk drive if there is a problem with the memory test, etc.
By observing what happens, you are able to do basic hardware troubleshooting and even if you are unable to fix it yourself, you will be more knowledgeable when approaching a PC technician to tell them what is wrong with your computer. You can tell them why you believe there is a problem and then they can give you advice in line with that without wasting your time and money trying to figure it out.
If you are still encountering problems, try starting your computer in safe mode. If you can start your computer in safe mode it means that the problem you are experiencing probably has to do with a recent change in hardware/software. Think about what changes you have implemented recently and if possible try to do undo them. You should test your computer after you have undone each recent change and you may find the problem.
So the next time you appear to have a problem with your PC hardware start by checking the obvious things such as the electric outlet, power supply and whether the cables are properly plugged in. If the problem does not lie in these obvious areas then switch your PC on and observe what happens. Make a note of what you do not see occurring or start your computer in safe mode to see if you find the fault that way. The more information you are able to give your computer technician the better they will be able to help you, minimize your expenditure and the amount of downtime your business experiences.
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