fixing motherboard faults and repair pc pdf

Diagnosing and fixing motherboard faults

Modern PC motherboards are very modular in their design, and so easily accessible.

Anyone with a basic understanding of how they work should be able to diagnose and repair basic motherboard-related faults on a PC

Download file as pdf

Read More

Windows XP

Windows XP

Windows XP is a multi-tasking operating system, it lets you run multiple applications at once, and switch from one to the other without having to do any close them. It works in graphic mode that is to say by clicking on the graphics areas to run an application or command.

Read More

The MSDOS operating system

The MS DOS operating system

• MS-DOS is a single-task operating system that is to say one can perform only one task at a time.
• Like other systems, MS-DOS examines operations such as read / write drives, video display, keyboard control and other tasks related to program implementation and maintenance of files.

The interface of MS DOS operating system.

The MS DOS is an operating system works in text mode that is to say, he is given orders to execute a task.

For example, to launch the text editor in MS DOS must enter the EDIT command.

Some commands in back:

• Date: that displays the current date and can change.
• Ver: which displays the version number of Dos used.
• Help: which shows some basic commands in DOS.

Read More

Mouse

The Mouse

Definition : The mouse is a pointing device for moving a cursor on the screen and allowing you to select, move, manipulate objects with buttons.

The following table describes all the actions performed by the mouse:

Action	Description
Pointe object	Put the mouse pointer on the object
click	Press and release a mouse button
Double click	Click twice successive
right click	Press and release the right mouse button to get the context menu
Click - Drag	Hold down the left mouse button and drag the mouse to the desired location and release

Read More

The keyboard

The keyboard 

The keyboard is a device that allows input of information (text, numbers, characters, ...) towards the computer.

There are difirents types of keyboards (Depending on the language used):

• Qwerty keyboard (French)
• Qwerty Keyboard (English)

You can also find simple keyboards and other media or a keyboard with a cable and one wireless.

The keyboard consists of at least four areas:

• The numeric keypad.
• The normal  keypad.
• The direction keys.
• The function keys.
• ....
• 

Read More

What is a driver ? how to find a driver?

What is a driver or a pilot?

Drivers or drivers are software (programs) required for the normal operation of a device connected to a computer. A driver depends on the installed operating system. It fact, it is the intermediary between the machine and the operating system.

Why put the updated drivers?

To improve hardware performance by adding features and removing bugs. Manufacturers of computing devices develop drivers designed for these devices. 

Where can I find a driver?

The drivers are available on specialized websites for downloading drivers that build you a scan tool that searches the unknown device on your computer and offers compatible drivers available for download. (Http://www.touslesdrivers.com as an example).

You can also find the drivers on the website of hardware manufacturer. (http://dell.com example).

Lire aussi:

• Page d'accueil du support Dell -Drivers & Utilitaires
• Télécharger tous les pilotes audio Realtek
• Mettre A Jour Les Pilotes Et Driver

Read More

Application softwares

Application softwares:

An application software is a set of programs to creat one or more files types defined.

There are:

• word processing software: which are word processing software. They allow for Word documents (Docx), web pages (. Html or. Xml), printed materials (. RTF) .... (Examples: Word, Works, ...).
•  Spreadsheets: are management software tables. They allow you to create Excel Workbooks (. XLS), web pages (. Html or. Xml) .... (Examples: Excel, Loutis ...).
•  Browsers: that its software designed to view the World Wide Web, all the websites to read web pages technically. (Example: Internet Explorer, Mozilla Firefox, Opera ...).
•  Media players: which is software designed to play sound files or videos of typical examples (MP3, RM, RAM, MPEG, WAV, AVI, .........): Real Player, Windows Media Player, VLC Media , .....
•  Image processing softwares: software publishing, image editing and creating drawings. Examples: Paint, PhotoFilter, PhotoShop, ....
• Softwares for creating animations: allow you to create animated images, flash games, animated web pages .... (GIF). (SWF). (HTM). Examples: Flash, Gimps, ... etc..
• The software to create slideshows: help make animations for presentation to a group. These animations are slide type (. Ppt,. Pps, ...). Example: PowerPoint.
• The videos production softwares (Windows Movie Maker, Meeve, PoweDVDCréator ....)
•  Games softwares.
•  Management softwares databases (SQL, ACCESS, ORACLE, ....).
•  The e-mail softwares: enable communication between two users. Examples: MSN, YAHOO MESSENGER, NetMeeting ....
•  Antivirus: Used to detect and remove bad programs. Example: Avaste, AVG, Panda, ...
•  ... Etc..

Read More