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Computer Hardware Information
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Getting A Great Refurbished Laptop Are you sick of all the high priced notebooks out there? Does getting a used laptop seem like a better choice to you? Refurbished laptops are everywhere these days, and the word itself seems like a "buzz word" of the industry. But do these used machines actually hold up to the strict standard of the word "refurbished"? The Printer Cartridge Review Years ago computers were huge and their accompanying printers were huge as well. Instead of ink cartridges like those used now, they had toner reservoirs and later toner cartridges. Filling a toner cartridge was not easy and it was messy. The toner cartridges were better. Some printers ran on print wheels and some used ribbons. Bluetooth Basics - Bluetooth Technology Tutorial Bluetooth Basics Ergonomic Products 101 Human beings are scaling new heights day by day. Markets are becoming more and more complex and competitive. Companies launch new products, market them, but even then are not sure if their product will match the taste, need and pocket of the consumer. This is because numerous brands are associated with a single commodity. Some companies try to win the consumer's heart via a low price while a few others offer an impeccable quality at significantly good amount. But at the end of the day what matters to the consumer is how the products minimizes the labor, enhances the work and its durability. This article will shed light on some of the eminent and world's top quality products called 'Ergo Products'. There are a wide variety of ergo products. They range from keyboards, mice, armchairs to keyboard stickers, footrests, foot switches etc. The ergo products one amongst the largely used ones nowadays . The reason being their consumer friendly nature and their troubleshooting strategy. Ten Things Everyone Should Know about Ordering an Inkjet Cartridge Online It is true. You can save a lot of time and money by ordering your next inkjet cartridge online. Today, there are many reputable online printer ink merchants. They sell quality ink cartridges at huge savings. However, before you place an order, there are at least ten very important things you should know about ordering online. 5 Tips For Buying The Right Laptop Computer It's easy to be intimidated by all the laptop models on the market today. There are literally dozens and dozens in every price range. How To Take Care Of Your Laptop Computer As the proud owner of a laptop computer, you'll want to keep your machine in the best possible condition. Setting up a Tape Backup Strategy for your Business So you know a little bit about tape backup, but you're wondering how to set up a tape backup strategy for your business. Well, let's take a look at 3 simple steps to setting up a complete backup solution. USB Hubs and Ports Explained The USB standard has become the universal means of connection peripheral devices and equipment to the computer. Computers have either two or four USB port connectors. Each of these can support a large number of connections but to be able to attach more than two or four devices requires a multi-connection hub. There are many different types of hubs and this article seeks to explain some of the important considerations in selecting the best choice of hub for your system. How to Shop for Inkjet Printer Cartridges Keeping Shipping Costs Down Wireless Networking, Part 1: Capabilities and Hardware Wireless Networking, Part 1: Capabilities and Hardware How to Change, Upgade or Remove an IDE Hard Drive Hard drives - Hard drives are a little more complicated. First off, you have to know what you want to do with the hard drive. By this, I mean either you want it set to either SLAVE or MASTER. If you want to boot from the hard drive (load windows or whatever other OS off it) then you want it to be your master. If you already have a master, and you want to use this as extra space, set this hdd to slave. This setting change requires a jumper on the back of the hard drive to be moved. It may sound hard, but it's easy. These jumper configurations can be found on the back of the hdd; most have a small label which states which way is which. After setting the jumper, take the IDE cable that runs to your primary hard drive. This is the long, usually grey cable that runs from a slot on your motherboard to your primary hard drive. If you are putting your new hdd in as a slave, this cable should have a second connector on it not being used. Connect this to the new slave hard drive, but don't disconnect the cable from your other HDD. Your Printer Is Out Of Ink -- Now What? We've all been there. You're in the middle of printing out an important document and your printer suddenly stops. It's the dreaded "out of ink" message. So you pull your backup ink cartridges out of your desk drawer and replace them. Wishful thinking, right? Moving to a New PC Getting a new PC is exciting and a pain. It's exciting because you get a faster processor, more storage and all the latest stuff even though it's outdated as soon as it hits your desk. The pain comes with re-installing all of your programs, re-customizing your preferences for programs, applications, and Windows, and transferring data to the new PC. Review: Implementing the Google Search Appliance in an Intranet environment Our corporate intranet is a non-framed environment with both Lotus Domino and IIS (.Net and classic ASP) applications and content. We have between 300,000-500,000 pages of web content and documents across more than 1200 "sites" on approximately 30 unique domains. We used to have Inktomi's UltraSeek Server 3.0 as our intranet search engine which was beginning to look like its age (purchased in 1998). The Inktomi product did not handle attachments well (DOC, PPT, PDF, etc.), would not crawl our secured sites, and was no longer supported by the vendor. We did a cursory review of the search vendors and were immediately attracted to Google's 30 day trial offer for their Google Search Appliance (GSA). After signing a standard agreement, they shipped us a brand new shiny yellow unit which we could test for 30 days before returning or purchasing. Give Your PC a Monitor Makeover Whether you are crunching figures at a front office job or crouched over a blood and gore video game in some deep recess of your room, there is the right kind of screen available to suit your needs. Understanding Transistor Data and Replacement If, for some reason, you can't get an exact replacement for the transistor that you want to replace, you can refer to one of the transistor substitution guides or book, and try to identify a "near replacement". Beware, however. A substitution guide will sometimes list a replacement for your part, even though the two parts are not very similar. The most commonly used transistor substitution guides is the Philips ECG semiconductors Master Replacement Guide. Selecting the right transistor parameters or specifications for the equipment you repair will avoid callbacks from customers. Callbacks or repeated repairs due to wrong transistor substitution will cost you extra money and a waste of time. What is ESR Meter? All capacitors have a certain amount of resistance to the passage of AC current. ESR (Equivalent Series Resistance) is the sum of all internal resistances of a capacitor measured in Ohms. An ideal capacitor has ZERO ohms ESR. From the diagram below you can see a resistor in serieswith a "PERFECT CAPACITOR". The value of the resistor is called ESR. Electrolytic Capacitors have a tendency to increase its ESR overtime due to drying or corrosion. High ESR is a frequent problem in today's electronic circuit. Even a 1 or 2 ohms rise in ESR can cause complicated problems. Under normal conditions the ESR has a very low value, which stays that way for many years unless the rubber seal is defective, in which case the electrolyte's water component gradually dries out and the ESR creeps up with time. The increase in ESR increases both voltage drops within the capacitor and the heat, produced in the capacitors due to resistive heating. If you don't check for ESR, you may be in for a "TOUGH DOG" repair. High ESR is the first sign of a capacitor failure. High ESR will cause complete circuit failure, over heating of capacitor, loading of the circuit, overstressing of other circuit components and other undesirable effects. Expansion Cards Part 3: PCI Express In the first two installments of this series of Tech Tips, we took a look at PCI and AGP, undoubtedly the most common expansion slots in a computer today. With a few key improvements over both of these, PCI Express is destined to replace both and offer a whole new level of computer performance. Refurbished Laptop Batteries There are three refurbished laptop battery types, each named for its component materials:
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