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Tuesday, July 13, 2010

Saturday, July 10, 2010

Computer Network Repair For Beginners

While computer network repair is not something most beginning computer users want to tackle, there are a few things you can check that are common causes why your computer network won't work. Sometimes, checking simple things can make your network start working again. You might be able to isolate the problem, making computer network repair less time-consuming, in the event you need an on-site computer network repair technician. Most of the time, computer networks will use Windows programs or SQL servers.

Protecting Your Computer With A Firewall


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Protecting Your Computer With A Firewall
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Why do you need to protect your computer with a firewall? Does a firewall really help? A firewall is a program or hardware that provides your computer protection from anonymous hackers, worms, and viruses that try to invade your computer through the Internet. It is a barrier that protects your computer. The firewall scans the things that go through your Internet access point to filter your computer from anomalies based on how you customized the settings. If you are lucky, your antivirus firewall software program may already have an integrated firewall solution.

11 Ways Computer Viruses Are Spread

1. Email attachments. The world became familiar with the phenomena of email attachments carrying viruses thanks to Microsoft’s Outlook Express automatically opening every attachment to every email you received a few years back. Now that email clients no longer do this, the infection rate from email attachments is significantly lower, but it can still be a common problem. The golden rule is that if you don’t know what an attachment is, don’t open it. To this day, many email users never open attachments, no matter what. You don’t have to take such drastic steps to protect yourself, however; simply use common sense when opening attachments in your email.2. Rogue Websites. It is depressing to know that you may become infected with spyware or a virus by doing nothing more than simply visiting a website, but it is true. Many adult websites, gambling websites and other less than trustworthy websites will attempt to automatically access your computer when you visit them. They often install adware bugs that will cause a flurry of pop ups to appear on your screen. This adware will often allow for other programs with even more nefarious purposes to be installed and before you know it, your computer will be swamped. To stop these rogue websites, adjust the settings on your antivirus software and firewall so that no outside connections can be made and no programs can be installed without your express permission.3. Networks. If your computer is connected to a home network or if your work computer is part of a larger network, you may find yourself with an infection through no fault of your own. Someone else on the network downloaded a bug by accident, and within minutes, the entire network could be infected. There isn’t much you can do to stop these kinds of infections, short of having your network administrator ensure that everyone’s antivirus software is up to date so that the invading bug can be removed as quickly as possible.4. Infected Boot disks. Now that hard drives are obscenely large, the overwhelming percentage of us don’t bother to use boot disks anymore, but a virus can still be spread if an infected disk is in your hard drive and you attempt to restart. When you start your computer, your machine will always check your drives to see if a disk with boot information is present. If one is, your computer will likely automatically attempt to boot from the disk and not from your drive. If a virus is present, it will often be activated and you will become infected. Always know the origin of any disk you put into your drive.5. Phishing Schemes. Learning how computer viruses spread is important to keep yourself, and your personal information, safe online. Phishing schemes are one of the chief ways in which people end up with their identity stolen and a computer fill of viruses. A phishing scheme starts when you receive an email from a website claiming to be your bank or credit card company. You are asked to click a link and log in, but the truth is that you’ve just given away all of your personal information. Often times, when you visit these sites, spyware, adware and viruses are automatically installed on your computer (see Rogue Websites, above). Your lender or credit card will often send out a real notice that let’s you know that a phishing scheme is going around. The smartest thing you can do is to simply call your bank or credit card company if you receive an email saying there is a problem with your account instead of blindly following links in your email.6. Infected Software. One of the great things about the Internet is how many free games and programs there are out there, but these free programs often come at a price. Too many rogue websites intentionally infect their freeware (like Kazaa) with trojan viruses so that you unknowingly infect your computer every time you download a free game or piece of software. The key here is to only download freeware or shareware from a trusted source like CNet that always ensures your safety.7. Hackers. The Internet today is a much more law abiding place than it was ten years ago. Not only did most people not have antivirus protection and firewalls that could stop incoming attacks, most people didn’t even know what they were. Today, people understand the value of good online protection, but hackers can still pose a problem if you allow your protection software to lapse. The best way to beat hackers is to ensure that you have a firewall and up to date antivirus software.8. Instant Messaging. It is difficult to find a computer in this day and age that doesn’t have at least one instant messaging service installed on it. Unfortunately, these programs are often targets of hackers who see an easy way to trick people into clicking links that lead them to rogue websites. Common sense can keep you out of trouble, however. Only chat with people you know and never follow links to sites that you don’t recognize. You should easily be able to keep Internet worms, viruses and other bugs at bay.9. Fake Anti Virus Software. This is one of the most frustrating ways to become infected with a virus or worm. There are dozens of anti virus and anti spyware programs you can download for free on the Internet and a surprising number of them actually do exactly the opposite of what they claim. The product websites make outrageous claims that their product can protect you from a whole range of threats, when, in reality, their product will only make things a thousand times worse. Only download antivirus programs from trusted sites or from websites that you know are completely legit.10. From Mobile Devices. A recent story in the newspaper should serve as a wake up call for anyone who is getting ready to plug in a mobile device into their computer for the first time. A family purchased a digital picture frame from a local store and when they attempted to install the software that came with it, they inadvertently infected their computer with a virus. There really is no way to stop such an infection from happening, since we all buy peripherals that work with our computer, but we can ensure that we have the tools ready to go if an infection should happen. Keep your anti virus software up to date at all times and you should be able to wrestle control back from any Internet bug.11. Friends and Relatives. Often times, we are sent viruses through our email from people that we know and trust. The social networking site Facebook has had to battle this very problem when their serves get a bug and automatically send out emails to everyone on the system that are infected. Often times, these emails are extremely generic sounding and come with suspicious attachments, but people often open them anyway since they have come from a friend or from a site they trust, like Facebook. Remember, if you get an attachment with an .exe extension or a .dll, don’t ever open it.Learning how computer viruses spread is the best way we can put an end to their reign of terror online. It is only with the right knowledge and the best antivirus software that Internet users everywhere can beat online bugs for good.

Laptop Computer - A Revolution In Computing




20 years fast forward today Laptop PC are on verge of replacing Desktop Computers, as now notebook computer can pretty much perform as fast as a Desktop Server with as light weight as 1/10th of a Desktop Computer Server. We are talking about a light weight notebook computer weighing less than 1-2 Kg with Dual Core Processor of up-to 5.0 Ghz, up-to 10 GB Ram, 500+ GB Hard Drive. A laptop computer with these kind of specifications can run huge mission critical applications.These technological advancements has change the way business is conducted around the world, which has helped to bring the cost of doing business down and increase productivity. It's common to have people working on same project from multiple locations connected by the Internet. It has helped first world countries like US, UK & Canada to get their complex project done at cheap off shore locations like India.This has been only possible with mobile computing device connected to Internet. As mobile computing device i.e. Notebook Computer getting faster and lighter day by day, it has become very easy to operate from virtually any location. You do not need to come to office or a specific workplace to do your daily office work.The cost of acquiring cheap laptop computers can be as little as $300; online stores are the perfect place to find best laptop deals. The only work that you have to do is to visit number of sites to pick out the one that best fulfills your requirement and fit into your budget. However it can be difficult at times as Internet is flooded with web sites offering deals and discounts on computers hence making it quite confusing and challenging at times.The great advantage of buying cheap laptop computers online is that you gain access to reviews, comments & ratings by real users. There are special review web sites giving you genuine reviews on a particular brand or model. You can also buy notebook computers using comparison shopping web site which lets you compare different make and models on the basis of their functionality, features & price, this is only possible online. You can opt for the stores selling the cheapest price.Major computer manufacturers like Dell, HP, Toshiba, Lenovo, Sony sell their notebook computers directly from their web sites, besides that there are huge retailers like NewEgg, Buy.com, Best Buy, PC Connection & Wall Mart. Don't buy from unknown web sites, even if you are getting better offers, because at times you can fall into wrong hands and the information you provide i.e. your personal details, credit card information can be misused.Major retailers like Dell, HP offers exceptional deals & discount coupons by which you can save good money, it's advisable to keep visiting these sites and subscribe to their weekly or monthly newsletters by which they keep informing their subscribers on product launch and upcoming sale etc. You can also subscribe to web sites providing deals and coupons on laptop computers, there are literally thousands of data aggregation web sites providing cheap laptops sale and discount coupons on cheap laptop computers for free.

My Computer Keeps Freezing! - Now Stop Computer Freezing In Minutes


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My Computer Keeps Freezing! - Now Stop Computer Freezing In Minutes
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My computer kept freezing before! When I was working, it suddenly froze up. Then the screen and mouse stopped moving. Sometimes it would restore after few seconds. But most of the time I could not even use Task Manager by pressing Ctrl+ Alt+ Delete. I had to shut it down by cutting the power.
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This problem kept bothering me for months. Even if I reinstalled my system, but after a period of time, it occurred again! I was very frustrated. I asked a friend of mine. He told me that he had the same problem before and it was probably the problem of registry. He successfully fixed the problem by using a registry cleaner. Then I downloaded a PC repair tool and scanned for the errors. What a surprise to me! There were over 1000 errors in my registry! Then I used the tool to fix all the errors! And the computer freezing problem never occurred again and the computer runs faster than ever before!I was curious that how registry could cause computer to freeze frequently. After searching for the reasons, I knew that registry was the database of a computer which contained all vital information of a computer device drivers and programs. Everything that worked on the computer needed the information in it. Without it, programs, devices and the wholes system could not work properly! But it is very fragile. It can be easily deleted and damaged by virus, some illegal operations like shutting down computer without exiting all the programs or cutting power, and other issues. After computer running for a period of time, the registry has errors more or less. And the errors will cause computer freezing, slow performance, programs not responding, blue screen and so on. To fix the problems, it is necessary to use a registry repair tool to maintain registry regularly.

Friendly Purchasing Advise For Dell 1700 Laptop Computer Charger


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Friendly Purchasing Advise For Dell 1700 Laptop Computer Charger
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If DELL Vostro 1700 Notebook charger broken, consider options as stated here
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Power Supply Charger having 2 pieces, Brick Ac adapter and Cable goes to wall. it is possible that the brick Replacement Charger may be broken or Power Cable could be not working. When the wire can be not working easily alter with the new 2pin power cable just you may purchase another either Two Pin or Three Pin detachable cable based on Power Cord model.Few Times it is conceivable that, Power Cord it's damaged. In that case, you should acquire another Power Cord for your DELL 1700 PA10 notebook pc. When ever you get Adapter from NbBatt, you request another unit freely 1 year time period.It can be likely due to current changes, Power adapters made with specific power surge as shelter which will Power off the Power Cord to prevent damaging the .In such position, simply separate the Power Adapter from the laptop Computer , also Electric socket also takeoff , cable from the brick charger and reconnect and then yours notebook pc will be commence running again.verify that you have Pin connection with its Ac adaptor prior to taking.Image of Dell Vostro 1700 PA10 Power Supply you can observe Dell 1700 PA10 Charger Input - 110v - 220Volts- 50 to 60HzPower Out : 18.5V / 3.5aPower Capacity : 65wCurrent - holds up to 3.5a / Supports 2.4Amp , 2.74amps , 3.5a1) Don't over-stress the Power Cord while removing plug. Be sure to take out the Power Cord plugs, Damaged Power Supply wire can cause a burn fire or Power shock. Try to Replace yours defective ac adapter with new DELL 1700 PA10 Ac Adapter.2) Don't Curl or twirl the ac adapter wire. We can prevent the charger inside from becoming defective as safe keeping as straight as probable.3) Do not run the power supply cord by the pressing portions for example the desk, the windows, in the interleaving place of a table and a socket 4) In any of the circumstances don't leave your laptop close to the severe hot source. This may harm the power supply cable so put the charger in a hard surface.5) When we place heavy items on our ac adapter or power cord that may damage the cables internally and cause to excess heat too.6) While traveling bundle the AC Cable perfectly and try to stay away from relation with metallic devices like silver, gold and musical instruments and many it mean if the negative positive end points connects, accidentally can causes short-circuit for the power cord. 7) Don't fail to remember to get aside your Power Supply from the device if you are not going to use device for a long time.Power Supply can turn into very heat when they are in use, and raising temperature is the pest of all power consuming devices. Many users leave the Charger of their PC on the flooring while making use of it. Place the Ac Adapter on your desk instead, where it may get sufficient flow of air. Or else try to make sure that the adapter is not placed under furnishings. The cool your Power Cord is, the prolonged it can last the life.Getting one on online is simplified at Nbbatt. Ours is Skilled expert people delivery many notebook pc repair shops. Servicing clients from 2001. We have Expert group who may help customers by your Laptop pc power cord and other, We proffer 12 months guarantee Parts nbbatt distribute. when your Power Cord may be malfunctioning we quick change with new charger. Returning back is effortless at Nbbatt.com.