Testing Coil - 3 Simple Methods To Accurately Test Any Coils Or Inductor

Testing coil is very easy compares to checking three leads components such as SCR, FET and etc. In general, a coil consists of many turns or wire wrapped around a common core. The core could be made of iron or even air. When an electric current passes through the coil, a magnetic field is produced. A coil in some respect s acts just opposite a capacitor. A capacitor blocks DC while allowing AC to flow through it; a coil allows DC to flow through it while restricting AC current flow. Another name for a coil is an inductor. Coil or inductor can be test using an analog, inductance or a coil meter such as the dick smith flyback tester.

Why Should I Upgrade My Memory?

One of the very best upgrades you can make for your computer is to install more memory. Usually it's more cost-effective than almost any other upgrade you might look at. And isn't that the purpose? To get the most bang for your upgrade buck. Not only is installing more memory pretty cheap, most people can get it done for between $50-200. But, it's also the most effective as well. It can improve your entire computing experience. From browsing the web, to doing multi-tasking, having more than one computer program running. Its especially important in families where the computer is used by different users.

Understanding How An Inkjet Printer Works

Computer printers are great when they work correctly, but when they do not work as they should, they can become a real source of frustration. If you know how an inkjet printer works, then you are likely to have fewer problems with it and you are more likely to be able to make simple repairs to the printer yourself. Inkjet printers are the cheapest printers that you can buy, and because of this many people elect to purchase them instead of the more expensive laser printers. An inkjet printer places very small droplets of ink onto a page that it is printing. The droplets are so small that they are nearly invisible to the naked eye.

Solving Image Problems on HP Laser Printers

There are several image related problems that can occur. If you want to save money and repair it yourself this article is for you. Read about the most common image related problems that HP Laser Printers have and how to resolve them. Here are a few examples of image related problems: Blank, Solid Black, Streaks, Double Images, Specks, Lines, Light Print, Dark Print, Blurred Image, Flaking / Rubs off Cartridges: Most of these problems are related to the toner cartridge. If you don"t have another cartridge to test it you can diagnose the problem another way. Put a sheet of paper in tray 1.

What are the Advantages of Having a Rugged Tablet PC?

Tablet Pc's have been a hot item for a number of years now for people in all kinds of work, but if you are like me, you need a sturdy one. I am always on the go and I have found myself using my tablet pc in a number of unusual places. I have had mine fall on the ground and even had coffee spilled on its base. One Tablet Pc that you may like is the Amrel Rocky Rugged Tablet PC which is very sturdy and certified for both military and industrial standards. It is designed and tested to be able to withstand dust, rain, vibrations and shock. The Amrel Rugged Tablet PC ways just over a pound so that it is very easy to handle on the go.

Laptop DC Jack Repair

By far, the most common piece of hardware to fail on any laptop is the DC Jack (the plug that accepts power on the laptop). There are several reasons for the high failure rate but the two most common are poor handling and poor design. I would say over 90% of these DC jacks are soldered right on to the motherboard. Every day abuse of plugging and unplugging the AC power source wears down the solder connections on the motherboard. Here are the two common symptoms for this damage: - Laptop will not accept external AC Power. Constantly remains on battery, till the battery dies. - You have keep moving the cord around till it starts accepting external power.

Ink Refills Vs. New Ink Cartridges

Printer cartridges consist the maximum amount of expenses for running a printer. At present there are two ways of replacing your printer cartridges-buy a new cartridge or refill the old one. New Ink Cartridges There are two ways you can buy new ink cartridges. You can buy from the printer manufacturer or buy a third-party compatible cartridge. Compatible cartridges, majority of which are made in China, cost less than those made by the OEM (original equipment manufacturer). Other than these two there are also remanufactured cartridges available in the market. These are official OEM cartridges that are professionally cleaned and refilled by the OEM and then put for sale.

How To Repair Dell E151Fpb LCD Monitor - No Display Problem

Dell E151fpb LCD monitor came in with the complaint of no power but upon carefully look at the LCD you could see a very light (blur) white flashes across the screen and the power LED is not lit. Removing the cover was a bit easy compared to other models. As usual whenever the mainboard and power board were exposed, I would look for any bulged capacitor, darkened area, a loosen connector and etc. However this monitor boards looks perfectly okay. The next step was to separate the power/inverter board with the main board. Power was applied to the power board and I could hear a soft "chip-chip" sound.

A Virtualisation Article

An analogy: One bus can carry 30 passengers, but cars are now so relatively cheap we all travel by car. That"s up to 30 vehicles that need maintaining, rather than just one. If you can equip the bus with all the facilities you get in the cars (eg airline style seats with all the personal electronics built in for entertainment and communication, we can all revert to public transport, freeing up the roads, and cutting maintenance contracts. If only! However, in the computer world this is much more attainable. One 'large' computer, fully equipped and 'partitioned', can run applications simultaneously that would otherwise need a number of individual machines, but with much reduced maintenance and upgrade costs Introduction: Funnily enough this process started with computers, whose limited resources caused problems.

How to Solve Many Computer Issues

Being a computer Tech I have run into many computer issues. Many times a great place to start is in the device manager. What is the Device Manager? In all windows operating systems from 3.1 to Vista your computer has something called Device Manager. This program shows what devices are installed in your computer and what device are having errors or are not installed correctly. When to use Device Manager? Whenever you have an issue that might be hardware related. For instance you used to be able to get online but now you have no connection or your sound is not working anymore. How to use Device Manager?