Computer Problems Might Mean Registry Problems

In theory, the newer Microsoft operating systems such as XP and Vista do not require constant registry cleaning. Because these operating systems are based on Windows NT instead of the registry, invalid or broken registry keys should not slow your PC down.

From a practical perspective, however, you could still experience PC problems because of corrupt or bad registry keys. Even though your operating system relies on Windows NT, removing malware, spyware or adware could leave bad keys in the registry that affect your computer's performance.

If your favorite software programs take a long time to load or are not running correctly, you might need to check out the registry.

A program called 'regedit' that you can access from the 'start/run' command is available on MIcrosoft's operating systems. When you run the regedit program, you will be presented with the contents of your registry folder. Using the regedit program, you can identify the bad keys and remove them directly from the registry.

The average, non-technical computer user may take one look at the registry file, get confused by all the apparent gobblygook, and give up on trying to understand what the registry keys mean. Fortunately, there are some software programs available for free or for a small price that will identify any bad keys. Depending on the program, the registry cleaner software will either delete the bad keys automatically or let you choose which invalid registry keys should be deleted.

Be wary about downloading and installing free registry cleaners or antivirus programs. Some of these programs include adware or other forms of malicious code that will create a lot of trouble for you down the road. If you prefer not to spend money on a registry cleaner, download from a trusted service like cNet that verifies that your freeware is free of malware.

If your software programs are not running efficiently, visit the NotGuru blog's computer tips section, where you will find a step-by-step tutorial on how to clean your registry. To make it simple and printable, the tutorial includes both written instructions and screenshots. Trusted registry cleaner software is also recommended.

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The Wifi for Beginners Guide

There are many images of the future, all showing spectacular technologies which will apparently control our lives. But before we come to grips with these wild and whacky ideas, there is wifi, a technology which is already with us and still seems alien and confusing to many people. There was a point when wifi was being talked about all the time, in the papers, on the news, but at that time it was not available to the average internet user. Now, with the wifi networks popping up all over the place, it seems we are all supposed to understand it, even though many of us are just using it for the first time. So here are a few tips on wifi for beginners, just for those of us who sometimes feel a little left behind.

So what does wifi mean? Wifi is a shortening of wireless fidelity. Wireless fidelity works by allowing the users to log into and use a network by receiving and transmitting signals through radio waves. If you have just bought your laptop or notebook and are thinking of ‘going wifi’ the computer isl probably already be set up for wireless fidelity. If, however, you are using an older laptop then you can still buy adapters which will turn your computer wireless. There's one potential problem with relying on adapters; as more and more computers are produced wireless then the number of computers needing adapters will reduce and before you know it the manufacturers will stop making them, hence forcing people to buy new hardware if they want to come to grips with wifi. Good wifi for beginners advice is to ensure sure that your computer is suitable.

Explaining wifi for beginners also requires explaining hotspots for beginners. Hotspots are places where you can use your wifi prepared laptop. Hotspots are usually located in areas where people congregate, such as airports, cafes, or hotels. A hotspot is a network which is open and hence will allow anyone to log on. Most locations which offer these will be hoping that you will be using other facilities while utilizing their hotspot, such as drinking coffee, eating, or buying drinks.

When trying to cover the basic information on wifi for beginners it is important to discuss security. If you are logging onto a public wifi net then you will be sending information across the airwaves between your computer and the network. Most people who run hotspots are not concerned about your security, they are more interested in how much money they can get you to spend while you are surfing the net. Accordingly the majority of public networks have no encryption at all.

There are however, steps which the user can take to help ensure their security. These include the following; have the firewall on your computer turned on, you should also make sure that any file sharing facilities on your computer are turned off. The firewall is an important measure as it will try to stop other users from accessing your computer. The file sharing is a facility which Microsoft offers and if you turn this off and password protect any files which are confidential then you will be taking steps towards a more secure connection. As you learn more and more about wifi for beginners you will realize that no steps are guaranteed to keep your information private, but all these little adjustments do help.

I hope that this wifi for beginners guide will help you to log on with some degree of confidence. One important thing to remember is that wifi is addictive, once you discover the freedom of wifi there will be no going back.

Nvidia Corp. releases the Tesla C1060 GPU Processor

Hardware maker Nvidia has announced a new computer that has the power of a cluster of computers at a small fraction of the cost.

Nvidia, working with several partners, Dell, Lenovo, Asus, Western Scientific, and others, has developed the Tesla Personal Supercomputer, using the graphics processing unit based on Nvidia's Cuda parallel computing architecture.

Burton Smith, a technical fellow at Microsoft stated while there have been claims of desktop supercomputers in the past, "this time it's for real,"

Nvidia claims computers using the Tesla C1060 GPU processor will have 250 times the processing power of a typical PC workstation, enabling researchers to run complicated simulations, experiments and crunching processes without the need for a supercomputing cluster.

This so-called "personal supercomputer" will incorporate anywhere from between two to four Tesla C1060 processors, made up of 240 stream processing cores.

Most computer cluster will run a 100 times the cost of one of the Tesla-powered workstations. The Tesla C1060 card, available on computers Tuesday, will sell for $1,699, with desktop computer systems including the card selling for less than $9,995, said Andrew Humber, an Nvidia spokesman. The systems would run at a processing speed of four teraflops, or four trillion floating point operations per second.

"This represents phenomenal price/performance for computational researchers who have typically had to compete for time on expensive and power-hungry clusters," the Nvidia spokesperson said in an e-mail.

Several institutions, including the University of Illinois at Urbana-Champaign and Cambridge University,and the Max Planck Institute are already using GPU-based personal supercomputers.

"GPU based systems enable us to run life science codes in minutes rather than the hours it took earlier," Jack Collins, manager of scientific computing and program development at SAIC-Frederick's Advanced Biomedical Computing Center in Frederick, Maryland, said in a statement. "This exceptional speed-up has the ability to accelerate the discovery of potentially life-saving anti-cancer drugs."

With most High Performance Computer (HPC) clusters and supercomputers are powered by conventional CPUs, Nvidia is betting that its general-purpose GPUs can offer the types of performance that scientists, researchers and other workers in the HPC market need now to run these types of massive workloads.

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Data Loss Prevention - Spotting Potential Problems Early

We would all like to think that we are immune to a system failure and that our trusty computers will just keep on going without a hint of a problem. Sadly regardless of whether you’re are a home or business user, systems are prone to boot up failures and these often result in unexpected data loss of varying degrees.

If you have been here before then at least you will have a vague or depending on your experience a deeper level of knowledge here, but for many potential data loss scenarios are a new computing horror to overcome, so what typically should we be looking out for?

Computer is working but simply won’t boot up properly: Often this can be overcome by starting your computer in safe mode if you know how, and going from there. But this will not always help as you may be suffering from a software issue or conflict or even possible a hardware issue such as a failing hard disk drive.

Computer starts to become slow: When we first get our new computer there is very little on it when it comes to programs and games for example, and over time the operating system due to the way it is designed becomes cluttered. Registry repair utilities can help operating system problems but data loss is always a risk. In extreme circumstances a total ODS re-install is the best option.

Pc virus, malware and spyware: Pc virus and other, malevolent applications can cause untold data loss and problems if not handled in the correct manner from the outset. Boot sector viruses and others will first start to be noticeable when you Pc starts behaving strangely so be on your guard.

So we come back to how we handle a problem when it arises. How do we prevent data loss when we inevitably have to reinstall our current operating system or upgrade to a new one?

The answer to preventing data loss is incredibly simple: backup, backup, backup. You would however be simply amazed at how many computer users at home or work fail to follow this simple protocol when backup today is so simple.

External hard drives can be purchased in most computer shops now days and a quick search online for online backup will also give you a number of remote back up options.

So what options do you have to get your important or vital data back? If things seem really bad and saving the data is crucial, don’t take any risks and contact a data recovery specialist. They will have a whole host of solutions available to save your data and whilst it cannot be guaranteed, they do stand the best chance of success.

You can find more great advice on data recovery and in particular for businesses raid data recovery here.