Product Description
A valuable resource for any PC user, this self-paced exercise book provides hands-on experience and troubleshooting in all major hardware aspects including its microprocessor, memory, I/O systems, floppy and hard drives, CD-ROMs, display adapters, sound cards, and modems. Contains 20 targeted exercises designed to familiarize users with all vital personal computer internal operations and prepare them to cope with any question or problem they will encounter with the… More >>

Personal Computer Hardware and Troubleshooting

In order to buy computer hardware, you must have sufficient knowledge about the various hardware components. You must know that the motherboard is the most important aspect of your computer hardware. It consists of many resistors, diodes and capacitors that constitute the electrical and logical connection of the computer system. The motherboard is placed in the CPU of a computer. The CPU performs various logical and mathematical operations that lead to proper functioning of software.

It also consist of a visual display controller that provide you with good resolution, therefore you can watch images, videos and flash images with more clarity. Moreover, the RAM should have sufficient memory to support smooth functioning of various software. Therefore, you must make sure that you buy quality hardware components that accurately support your system software.

Therefore, one must be really cautious while purchasing computer hardware for themselves. Generally, people prefer buying branded computer hardware in order to avoid any fake components. However, branded computer dealers don’t guarantee you with a fair deal for components. Therefore, one should buy computer hardware through online computer hardware dealers.

They provide you with quality hardware components at affordable prices. You can also purchase hardware from various dealers and assemble them to create the most effective computer hardware for your computer system. Therefore, one must buy computer hardware through an online computer hardware portal in order to achieve proper functioning of software on the computer system.

This means, most likely, you have a hardware fault. This is where problems can start.

Diagnosing a computer hardware fault can be a right pain as any of the computer components could the cause. Unless you are intending to replace the entire machine you need to carefully diagnose with what components the fault lies with.

I would advise you look at the computer into these main areas to analyse.

Memory / RAM

Power Supply

Hard Disk

Motherboard

This isn’t a complete definitive list, obviously depending on your issue ie if your issue is that you don’t get sound then it could be a sound card issue, similarly if you don’t get a display then graphics could be the culprit. If it is a random fault then either of the above could be the cause.

Memory – this is fortunately quite easy to diagnose. Search the Internet for a memory tester. Generally these can be put onto a CD (or Floppy if you are stuck in the past!!), boot up from the CD which then enters the memory test. This will constantly cycle through, testing the memory for errors. It is wise to leave this on for several hours or even better over night. It will advise you if the memory fails.

Power Supply – this can be a strange one. People generally assume that if the power supply does fail then you would get no life from you computer at all. This sometimes is not true. I have had computers that turn off at random times, computers that have the power light on, but do not start up etc and it has turned out to be the supply – I would advise this should be one of the first things to test as can be a problematic area. Testing it can be difficult without the right equipment. Really the only way is to get a volt tester and check the voltage and current coming out.

Hard Disk – this can be one of the worst problems to have as if your hard disk does fail, unless you have been sensible and done regular backups of your most valuable data, you stand to lose it all. Hard disks can go at any time and usually you will hear a harsh sounding clicking noise that is coming from your computer. If this is the case you need to probably replace the hard disk. Get someone who then knows what they are doing here to try and recover your old data for you.

If none of the above solves your problem then you could possibly be looking at the fault being with the motherboard or any other plug in cards or devices you have. Remove everything to leave only the very basics. Take out all sound cards etc and any other PCI devices that are not essential. If you have more than one stick of ram then leave in only one and see if the problem resolves.

Really, solving hardware issues comes down to a case of trial and error here so take the time to test everything out. Bear in mind that even if your keyboard or mouse is faulty, very strange things can happen to a computer, so if you can, try to remove and test every single item.

Most computer hardware is embedded and so is not visible to normal users. Below are the different types of hardware’s found in a computer.

Ø Motherboard: It is the central or primary circuit board making up a complex electronic system such as a computer. A motherboard is also known as a main board, logic board or system board.
Ø Central processing Unit: A CPU is the main component of a digital computer that interprets instructions and process data in computer programs.
Ø Random Access Memory: A RAM allows the stored data to be accessed in any order. RAM is considered as the main memory of the computer where the working area is used for displaying and manipulating data.
Ø Basic Input Output System: BIOS prepares the software programs to load, execute and control the computer.
Ø Power Supply: Power Supply supplies electrical energy to an output load or group of loads.
Ø Video Display Controller: It converts the logical representation of visual information into a signal that can be used as input for a display medium.
Ø Computer Bus: It is used to transfer data or power between computer components inside a computer or between computers.
Ø CD-ROM drive: It contains data accessible by a computer
Ø Floppy disk: It is a data storage device
Ø Zip Drive: It is a medium capacity removable disk storage system.
Ø Hard Disk: It is a non-volatile data storage system that stores data on a magnetic surface layered unto hard disk platters.

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Product Description
USB CONTROL PAD fpr PC

SYSTEM REQUIREMENTS

*IBM Compatible Personal Computer With Microsoft
Windows 98/2000/ME/XP/Operating System
*AMD, Intel 350 Mhz Or Higher Processor
*64 MB Of RAM Or Higher
*35 MB Of Available HDD Space
*Double speed CD-ROM Drive Or Higher
*Super VGA Monitor With Display Card Supporting Or Higher
*USB Port… More >>

Gamers Factory Usb Control Pad for Pc

All Apple products operate on a Mac created system, so you might be using more Apple products than you realize. The infamous iTunes is created by Apple, and is used on a multitude of operating systems.

Apple Computers began in 1976 and continues to remain a strong, viable force in technological industries. PC users shouldn’t feel intimidated by Apple computers and software, once you understand the differences and capabilities of Apple products, you’ll quickly realize that they provide many benefits.

When a PC user purchases a computer, it typically comes with a Microsoft operating system; an Apple computer will not have a Microsoft system, but one that has been designed by Apple. This system is referred to as MAC OS and like Microsoft has a variety of operating systems (Windows NT, Windows 2000, Windows XP, Windows Vista, etc.), Macintosh operating systems also range in variety.

The iMac computers include the iMac G3, the iMac G4, the iMac G5, and the Intel based iMac. At first glance, the iMac computer is sleek and stylish. The original shape of the iMac G3 was contemporary and in demand.

The MacBook is an Apple designed notebook or laptop computer. The first MacBook, laptop computer was released on May 16, 2006. Some MacBook computers include the MacBook Air, MacBook Core Duo, MacBook Core 2 Duo, MacBook Core 2 Duo Aluminum, MacBook Pro Core Duo, MacBook Pro Core 2 Duo and the MacBook Pro Core 2 Duo Unibody. When choosing a MacBook, each computer has different technological specifications allowing the user to choose the memory, processor, graphics, and display that they need.

Apple is always revealing new computer gear and technological products through their Macworld Conference and Exposition and in January 2005, they unveiled the Mac Mini. At 6 1/2 inches and standing a height of only 2 inches tall, the Mac Mini introduces computer users to a small, compact model. The Mac Mini is a full desktop computer that comes minus a keyboard, monitor, or mouse. Those who will easily connect it to other computer peripherals use it. The MacMini is available in hard drive capabilities ranging from 40 to 120 Gigabytes and can be upgraded. With the wide variety of products available from Apple, PC users should not feel intimidated by the world of Macintosh, but rather embrace this ever-growing line of computer technology.Choose the imac that meets your needs at http://www.electroland.gr/apple-mac.htm

Author:
Casey Adams

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HCL Laptop Z24-Z2402 is a wide screen notebook with Intel Core2 Duo T5250 Processor. It has a lot of similarities with its close sister HCL Laptop Z24-Z2405. Along with this, it has a lot of distinctive features which will impress you from the first go itself!

Key Features

If you want to know your notebook properly then the first things that should be kept in mind are the key features. You should know how your notebook will become more efficient and give you its proper due. The keyboard set works very efficiently without making much noise in HCL Laptop Z24-Z2402. Even the hand space provided is very spacious. The touchpad also works very proficiently without being over sensitive to touch.

Design

HCL Laptop Z24-Z2402 notebooks are not one of the lightest notebooks present in the market with the weight of 2.35 kg. The dimensions of the notebook are 332 x 236.5 x 24.4 mm which makes it very compact and easy to carry around.The screen size is 14.1″ which has a View Perfect screen type with the resolution if 1280 x 800 dpi. HCL Laptop Z24-Z2402 is also provided with an internal modem whose speed is 56 kbps with the Wi-Fi 802.11a/b/g.

Core Information

The memory of the HCL Laptops are the process Cache Memory which is 2048 KB. This form of memory can be considered as an intermediary between the main physical RAM and the CPU. The cache makes any data regularly used by CPU instantly obtainable. If the required information is not located in the collection, a fetch is made from the main memory. The operating system of the HCL Laptop Z24-Z2402 is Windows Vista Home Basic, whereas the same in HCL Laptop Z24-Z2405 is Windows Vista Home Premium.

Cutting Edge Technology

The notebook has various ports and slots for different utilizations. The ports present here are PCMCIA, USB Port, Bluetooth and 4-in-1 Digital Media Reader. HCL Laptop Z24-Z2402 also has in built Speakers as well. It also sports a built-in camera with the resolution of 1.3 megapixels. It supports Li Ion battery. The notebook comes with integrated Graphics Media Accelerator X3100 video display card which has been manufactured by Intel.

Conclusion

With the Intel Core2 Duo T5250 processor, it is a good buy for those who want to have a personal notebook without it being very technical.

Author:
Vinnit Alex is a well known author and has written articles on Compaq Laptops, Laptops store, Laptops, online shop and many other subjects.

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Design: Professionally looking Compaq Presario C506TU laptop has a simple design yet looks sleek and stylish. You get this laptop in classy silver color. The weight of Compaq Presario C506TU laptop is 2.99 kg, making it resonably portable to carry around. The height of Compaq Presario C506TU laptop is 44 mm and the width is 357.8 mm. The depth is 259 mm. The feather touch buttons are very easy to operate without putting too much pressure.

Key Features :Intel Celeron M 440 is the Processor manufacturer for Compaq Presario C506TU laptop. Processor plays a very important role in execution of your programs. The processor cache memory provides the middle way to retrieve data which is always used. Compaq Presario C506TU laptop’s processor memory is 1024 KB and its speed is 1860 MHz. thus operations of this laptop is very smooth.

80 GB hard disk has ample space to keep your vital documents and personal music and snaps. 256 RAM complements Compaq Presario C506TU laptop extremely well. But there lies a surprise! You can also upgrade the RAM to 1024 RAM. The operating system is FreeDos in Compaq Presario C506TU laptop. The display screen size of Compaq Presario C506TU laptop is 15.4 inches with BrightView technology. This technology lets you view the contents on your display screen with more clarity.

Core Information : Internal modem in Compaq Presario C506TU laptop solves all your worries about internet connection. With Speakers and integrated sound card, be prepared to hear booming sounds while listening to music.

There are 3 USB ports in this Laptop. USB ports are also much faster compared to other serial ports. Also the data transfer is slower in serial ports. Thanks to USB ports, the plug in and plug out of your devices is also done very smoothly and safely even when your computer is switched on. Also the biggest advantage of it is that you can charge your devices by connecting them to USB ports. Installation of different software or devices becomes very easy via USB ports.

You can transfer your data wireless with integrated Bluetooth. Compaq Presario C506TU laptop has one express card. The video and sound cards are integrated. Modem is also internal in Compaq Presario C506TU laptop.

Conclusion: Compaq Presario C506TU laptop is perfect buy for u!

Author:
Vinnit Alex is a well known author and has written articles on HCL Laptops, Laptops store, Compaq Laptops, online shop and many other subjects.

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Intex S133Z-B1110 Laptop comes with wealth of features to give you enhanced computing experience. Now you can Surf Web, e-mail, chat, prepare a report or presentation chart or simply chill out while watching your favorite movies. With Intex S133Z-B1110 laptop you get all the features at an affordable price.

Key Features

Loaded with advance features and function, Intex S133Z-B1110 laptop is powered by Intel Dual core T2390 Processor to give you fast data transfer and seamless connectivity. It comes with 160 GB hard disk to store all your digital requirements on the go. The display screen size of 13.3? is capable of producing a resolution of 1280 x 800 pixels to give you sharp and clear pictures. The keyboard is smooth to function and the touchpad works proficiently without being oversensitive. The built-in 1.3 megapixel camera facilitates video conferencing and makes live video chat fun and interesting. It is DirectSound 3D compatible, so now you can listen to your favorite songs with pulsating thrill.

Design

It has a sleek and stylish looks with slim body. It weighs only 2 kg, along with the battery, that makes it portable and easy to carry on a long journey. It comes with MDC Azalia modem with a speed of 56 Kbps and WiFi network.

Core Information

The memory of Intex S133Z-B1110 laptop is the process Cache Memory which is 1024 KB. This form of memory can be considered as an intermediary between the main physical RAM and the CPU. The cache makes any data regularly used by CPU instantly obtainable.

Cutting Edge Technology

The various ports and slots present in Intex S133Z-B1110 laptop gives it the flexibility in connectivity and delivers boundless performance. It features Express Card slot, 3 USB ports, 7 in 1 card Reader, DC-in jack and D- sub VGA support.

Conclusion

Besides providing enhanced features, Intex Laptops also comes with advance security features like BIOS Password and Kensington lock-an anti-theft system. Home users and professional can benefit from its state-of-the-art feature at an affordable price.

Author:
Vinnit Alex is a well known author and has written articles on Laptop, Laptops store, Sony Laptops, online shop and many other subjects.

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The Lenovo 3000 Y410 775756Q Laptop PC comes installed with Microsoft Windows Vista Home Premium Edition, which has integrated PRO/Wireless 9345ABG or 3945BG Wi-Fi 802.11a/b/g wireless connection, integrated 10/100 Ethernet LAN connection, standard 56kbps V.92 fax/modem card for data connectivity and integrated Bluetooth v2.0 + EDR (Enhanced Data Rate) wireless connection.

Design

The Lenovo 3000 Y410 775756Q Laptop comes with a compact 14.1″ WXGA Widescreen. The screen comes with VibrantView Active Matrix non-transflective LCD TFT display. The display is powered by NVIDIA GeForce Go 8400M GS Graphics Chipset with up-to 128 MB shared memory and built-in Intel 965GM mainboard which offers up-to 1280×768 pixels screen resolution with 16.7 million colors.

Cutting Edge Technology

You will find an exceptional multimedia features in the Lenovo 3000 Y410 775756Q processors. These features comes together with hot keys which have the power over application functions and ports that upload digital images and video very easily. This feature of the notebook makes it a perfect device to be used at home or at office.

Lenovo 3000 Y410 775756Q Laptop has incorporated Altec Lansing Stereo Speakers with 1.5 W each. These speakers come with Realtek ALC655 audio controllers which have built-in AC 97 stereo Sound and have 3D Sound effect. It weighs around 2.4 kg with its battery pack. The Lenovo 3000 Y410 775756Q Laptop PC is power-driven by 2.0 GHz Intel Core 2 Duo Processor T7250 with 2-MB L2 Cache, 800 MHz FSB featuring Mobile Intel 965GM Express Chipset, 2048-MB (2-GB) DDR2 667 SDRAM, 120-GB 5400 rpm SATA hard disk drive and a 24X Super Multi Double Layer 8.5 GB Slot-in DVD Writer.

There are a number of software which are preinstalled in Lenovo 3000 Y410 775756Q laptop. These software are Shuttle Centre, Power 2 GO, Veriface, Easy Capture 2.5, IGRS Anywhere and Norton antivirus software. It also has Lenovo’s One-Touch-System-Recovery feature. The only thing of concern is that the laptop does not have CD ROM Drive, DVD Drive or the Combo drive but it has the DVD Writer Drive which will cover up for the missing ones.

Core Information

A nice thing to be notice about the hard disk of Lenovo Laptops is that for safety it has been encased in shock absorbers which use the standard ThinkPad HardDisk Active Protection mechanism. This laptop also comes with software called ‘Ultimaco SafeGuard PrivateDisk’. Using this software, you can create a private partition which is protected by a password.

This notebook comes with the face recognition technology. This helps the users in a way that they do not need to remember their password every time they log in.

Conclusion

Lenovo 3000 Y410 775756Q laptop PC also supports a lot of exclusive multimedia features which include hot keys to control application functions and ports to easily upload digital images and video, which makes it ideal for business or home use.

Author:
Vinnit Alex is a well known author and has written articles on Acer Laptops, Laptops store, Laptops, online shop and many other subjects.

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