Computer Hardware Information

Flyback Transformer-How to Locate the ABL Line


Whenever there is a complaint about monitorcontrast problem I will check on the flybacktransformer ABL (automatic blanking limiter)circuit.Sometimes a weak picture tube might causedcontrast problem. If the picture tube isgood, I will go straight to the contrastcircuit. The question is how do we findwhere the contrast circuit located? Simple,if you have a datasheet for the video pre-amplifier ic, definitely you can find the contrast pin. For LM1203N video pre-ampic the contrast pin is located at pin 12. Replace this ic or trace from this circuitto find the cause of the contrast problem.

Bluetooth Can Be Cracked!


Nothing is completely safe today. Adobe has recently released a patch for a security hole in different graphical software, so why should Bluetooth be safe?

Dell Inspiron 600m Notebook Computer


After twelve years of owning desktop computers, I finally opted for a laptop so I would no longer be chained to my desk. After months of research and weighing various makes and models, I settled on the Dell Inspiron 600m Notebook Computer. This particular model has exceeded all of my expectations and at a price that is hundreds of dollars lower than many competing brands.

Whats In An LCD Display?


Who needs an LCD display? Well, if you?re like me, having one huge hunk of a monitor sitting on your desktop is just not feasible. Not only does it take up desk space, but there?s just simply no need for all of the physical mass, right?

Selecting an Ink Jet printer?With Low Operating Cost


Printer technology has made tremendous advances in the past five years. Speeds are up and print quality is great. Meanwhile, printer costs have declined.

Tips To Select Proper Motherboard


Selecting motherboard is really simple. As name suggests "Motherboard" acts as a protective mother of CPU, RAM and other add on cards since thesecomponents stand firmly on motherboard.

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 of printer ink cartridges.

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.

Testing Capacitor-How To Test A Capacitor When Breakdown Under Load


Have you ever come across power problem where onceyou switch on the power supply and the fuse blow? Youhave checked all the components in the power (primary)and secondary section and all the components seems to beok! Where is the fault? A fuse blown are usually causedby a shorted bridge rectifier, defective posistor, powertransistor or FET, shorted primary winding of switch modepower tranformer, shorted secondary diode and etc. Butin this article i'm gone to show you another secret of electronic troubleshooting tips.

Do You Have Dead Pixels?


Take a good look at your notebook computer screen. Do you find some tiny dark spots? You could have dead pixels. One of the most expensive parts of your notebook computer is the LCD screen.

7 Steps to Cleaning the Laser Toner From Your Laser Printer


Cleaning a laser printer, fax, or copier of laser toner canbe easy, provided you know what you're doing and use theright tools. This article will share with you some simpletips to help you clean your laser printers of laser tonerlike a pro.

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.

Cheap Ink Cartridge


A cheap ink cartridge is sometimes the only way that people can afford to keep all of their printers ready for use. Internet email addresses are constantly loaded with a number of offers from various online merchants, but one such email that a consumer might not want to ignore is any one that offers a great deal on ink cartridges. Some of these deals can offer the consumer a substantial amount of savings on their ink cartridges for just about any printer. Buying a cheap ink cartridge is the perfect opportunity to have quality ink for your printer while enjoying savings that can be quite significant on a printer cartridge.

DVD Media


DVD is an optical disc storage media format that can be used for storing data, including movies with high video and sound quality. DVDs resemble compact discs: their physical dimensions are the same?12cm or the mini 8cm?but they are encoded in a different format and at a much higher density. Unlike CDs, all DVDs must contain a file system. This file system is called UDF, and is an extension of the ISO 9660 Standard used for Data-CDs.

Ceramic Disc Capacitor-How to Accurately Test It


The last article I mentioned about electrolytic capacitor breakdown when under load. In this article I will talk about the high voltage resin coated ceramic disc capacitor. In computer monitor, it is frequent used in the screen voltage (G2) line at the crt board. When it fails, it can cause erratic or intermittently raster bright and dim and sometimes no display.

More Articles from Computer Hardware Information:
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18


© Athifea Distribution LLC - 2013