Sony vs. Olympus: Digital Voice Recorders

Digital voice recorders have become increasingly popular over the last few years, as they offer a relatively cheap and reliable alternative to older cassette voice recorders. Digital voice recorders use memory - much like the memory used in your personal pc - to record sound, rather than tape cassettes. Newer... Read More

Would You Like An Extended Warranty With That?

Should you buy an extended warranty with your laptop? You may not want to think about it now, but sooner or later, something is going to break down on your laptop. When it happens, the big question will be who gets stuck with the bill, you or the manufacturer.The standard... Read More

Motherboard Basics

A recent Tech Tip covered the basics of selecting a computer case and made mention of the various sizes that correspond to motherboards of different form factors. A few people wrote in expressing interest in understanding more about the basics of motherboards, and that's exactly what this Tech Tip intends... Read More

The Importance Of Current Sense Resistor In Switch Mode Power Supply

Current sense resistor is usually located in the switch mode power supply section. Newer version of monitor-the b+ (boost) circuit also have this current sense resistor. If you repair electronic equipment especially the switch mode power supplies, the current sensing resistor is connected to the source pin of power FET... Read More

Toner Cartridges - How They Work

In the past computers and their accompanying printers were huge. Toner reservoirs and toner cartridges were used instead of ink cartridges like the ones in use today. Toner cartridges were difficult and messy to fill. The toner cartridges were an advancement. Some printers ran on print wheels and some used... Read More

Used Laptop Computer: Your Quick Purchase Inspection Guide ? Part 3

Used laptop computers are everywhere these days. How can you sift through the mass of available used laptop computers to narrow your search down to the right laptop for you? This is the third part of a series of articles designed to give you a few suggestions for your next... Read More

What Can You Do With A Mac Mini?

If you have not seen the newest addition to the Macintosh line, it is worth taking a look. It is a very small computer that is only 6.5 x 6.5 x 2 inches. The Mac Mini is about the size of one of those internal CD-ROM drives you install into... Read More

Printer Ink Cartridges - The History

You are working at your computer and trying to print out important documents and all at once you find you are out of ink. Years ago that would have presented a big problem. Printers used ribbons or daisy wheels to print on paper. Let's take a look at the evolution... Read More

A Guide to Refurbished IBM Laptops

IBM boasts a very large array of older and newer refurbished laptops on their website ibm.com. Look for "Notebooks: IBM Certified Used Equipment." There you can buy any of dozens of models and variations, for hundreds of dollars less than new models. IBM inspects all of their returned laptops (including... Read More

Dusting Your Computer - Keeping it Cool

My mother always told me to dust, but I never did, mostly because I was lazy, but also because I couldn't find any tangible benefit to dusting. I just didn't see how I'd benefit from my room or my things being less dusty. Well now I've gotten a bit older,... Read More

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Two Essential Accessories For Notebook Computers

A Good Notebook BagForget those that are bundled with your... Read More

Five Band Resistor Color Code-What Does The Last Band Of White Color Represent?

In electronic repair, most of the time i came across... Read More

Learn How To Diagnose Power Supply Problems

The Power Supply convert's your regular household current into low... Read More

How to Read Zener Diode Code

Many technicians are confused on how to really read a... Read More

Purchasing Laser Toner Refills

Laser toner refills can be expensive. Over the life of... Read More

Setting up a Network -- Wired or Wireless?

To Wire or Not to Wire Wireless networks... Read More

Used Laptop Computer: Your Quick Purchase Inspection Guide ? Part 1

Used laptop computers are everywhere these days. How can you... Read More

Whats In An LCD Display?

Who needs an LCD display? Well, if you're like me,... Read More

Drop On Demand Printers

Most HP and Epson printers are drop on demand printers.... Read More

What Can You Do With A Mac Mini?

If you have not seen the newest addition to the... Read More

Video Display

Video displays are most recent technique used in both outdoor... Read More

Printer Ink Cartridges - The History

You are working at your computer and trying to print... Read More

Using System Restore to Save Yourself from Formatting Your Hard Drive

It is the most annoying thing when one day you... Read More

Buying a New Computer

Someone recently asked me "I teach senior citizens in a... Read More

How to Choose The Right Laptop Accessories?

The notebook computer is coming of age. For the first... Read More

Buying Laser Toner Cartridges

Compatible Laser Toner CartridgesRecently, there has been a huge legal... Read More

How to Change, Upgade or Remove an IDE Hard Drive

Hard drives - Hard drives are a little more complicated.... Read More

Three Must Have Accessories For Notebook Computers

An Optical MouseNotebooks are normally equipped with touch pads which... Read More

How To Save Big Bucks On A Laptop Computer

If you're a bargain shopper looking to get the most... Read More

Motherboard Basics

A recent Tech Tip covered the basics of selecting a... Read More

Choosing The Right Bar Code Reader

The importance of a bar code reader in this day... Read More

Laptop Computers Instigate Classroom Revolution!

Have you noticed that laptop computers are beginning to dictate... Read More

Getting The Proper Laptop Screen Size

Are you sick of viewing everything on that small screen... Read More

Ten Ways (plus 1) to Save on Printer Ink and Toner Cartridges

Are you getting tired of the high cost of printing?... Read More

What is Blu-Ray DVD

Video technology has increased significantly over the past years, and... Read More

Your Hard Drive is Going to Explode ? Why a UPS is Essential

It's most peoples worst computing nightmare. You wake up in... Read More

Ceramic Disc Capacitor-How to Accurately Test It

The last article I mentioned about electrolytic capacitor breakdown when... Read More

Setting up a Tape Backup Strategy for your Business

So you know a little bit about tape backup, but... Read More

How To Take Care Of Your Laptop Computer

As the proud owner of a laptop computer, you'll want... Read More

The Printer Cartridge Wars: Generic or Remanufactured Cartridges Right for You?

OverviewAs "generic", "remanufactured", and "new compatible" inkjet printer cartridges and... Read More

Easy to Execute!

Plug and play equipment or hardware solves the problem of... Read More

Got The Message that You Need New Ink Cartridges?

We all know what it is like when that message... Read More

The Top 10 Must-Have Laptop Accessories

You've laid out good money for your laptop computer, but... Read More