Troubleshooting Device Manager Issues

Troubleshooting Device Manager Issues in Win XP

Device Manager is an OS feature that lets you view and change the properties of all devices attached to your computer. When you use Device Manager, you can: Determine if the hardware on your computer is working properly Change hardware configuration settings, Identify the device drivers that are loaded for each device and obtain information about each device driver, Change advanced settings and properties for devices, Install updated device drivers

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Sound & Video Card Troubleshooting

Sound & Video Card Troubleshooting

Sound card trouble shooting

I. Making sure that you have a card and drivers for the installation • First, be sure that you have a sound card installed on your system and have speakers or headphones connected to it. • The sound card is usually a card in the back of your machine, although some newer machines have them installed on the motherboard. • Check that the wire from your speakers or headphones is connected to the “Speaker Out” or ” Spk

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Introduction to Computer

1. What is a computer ?

  • A computer is a device that accepts information (in the form of digitalized data) and manipulates it for some result based on a program or sequence of instructions on how the data is to be processed.
  •  A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data.
  • You can use a computer to type documents, send email, and browse the Web. You can also use it to handle spreadsheets, accounting, database management, presentations, games, and more.

2. Why to use a computer ?

  • work faster and more precise
  •  use one piece of information again in different documents
  •  make calculations without mistakes and correct your English spelling
  •  present your work better and more professional
  •  make as many copies and different versions of documents as you like
  •  store and keep track of your (electronic) documents
  •  send (electronic) mail and documents to distant relatives and business relations within a matter of minutes
  • find information you need, available on one of the millions of computers that are worldwide connected to the internet

3. Basic parts of computer

The basic parts of a computer are the computer case, monitor, keyboard, mouse, and power cord. Each part plays an important role whenever you use a computer.

Computer case

The computer case is the metal and plastic box that contains the main components of the computer. It houses the motherboard, central processing unit (CPU), power supply, and more.

Computer cases come in different shapes and sizes. The front of the case usually has an on/off switch and one or more optical drives. Monitor The monitor works with a video

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Introduction to Software

  • Software is a component of a computer that has no physical presence.
  • The different categories of software are:

Application Software: are designed to allow the user of the system complete a specific task or set of tasks. Example: games, word editors, image editors, web browsers etc. System Software:  is the software used to manage and control the hardware components and which allow interaction between the hardware and the other types of software.  Example

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Important internal parts of CPU

Important internal devices of CPU

Processor:
The processor is the main part of the computer. The greater the number of GHz the faster the speed of Personal Computer (PC) and the more expensive the processor will be. The processor is also known as the CPU or Central Processing Unit.

Mother Board: • If the processor is the main part of the computer and the RAM is the memory, then the motherboard is the backbone of the computer. • This is the circuit board that contains the slots and sockets that

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Flash Memory & Cache Memory

->By completing this session you will be able to understand about the flash Memory and important types of flash memories available in the market.
->Cache memory and it’s importance.

Flash memory is non-volatile computer memory that can be electrically erased and reprogrammed. • It is a technology that is primarily used in memory cards and USB flash drives (thumb drives, handy drive, memory stick, flash stick, jump drive, “Cap N’ Go”) for general storage and

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Points to remember while troubleshooting

Basic Hardware Tips

The troubleshooting tips provided here are to primarily solve an existing problem, not to create a
new one.
In case performing a certain action makes you uncomfortable, call in someone with more
expertise. And if you do decide to proceed with any of our Advanced Steps, please be careful
before proceeding.

                                                 Points to remember while troubleshooting

• Prior to opening your

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