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Lesson 4: computer maintenance

Jamaal Randle. Lesson 4: computer maintenance. Objectives. Identify problems that occur if hardware is not properly maintained Identify routine maintenance that can be performed by users Identify maintenance that should be performed by experienced professionals. Maintenance issues.

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Lesson 4: computer maintenance

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  1. Jamaal Randle Lesson 4: computer maintenance

  2. Objectives • Identify problems that occur if hardware is not properly maintained • Identify routine maintenance that can be performed by users • Identify maintenance that should be performed by experienced professionals

  3. Maintenance issues • Sooner or later, you will begin to experience problems with the hard ware. For instance, the performance of a hard disk starts to slow and printer problems may start to occur. The keyboard and the mouse can become sluggish, and the monitor may not work properly

  4. Hardware maintenance • You should clean your computer every 3-6 months

  5. Keyboard and mouse • Keyboard and mouse: you should check and clean the keyboard periodically. Dirt, dust, hair, and food particles can accumulate, causing the keys to jam or otherwise malfunction.

  6. Printer • Turn off printer • Use a cleaner recommended by the manufacturer, or a lint-free cloth, and then moisten it with a 50-50 percent solution of water and vinegar. Wring out all excess moisture and thoroughly clean the outside of the printer, making sure that no fluids gets inside the printer. • Never spray an aerosol directly onto the printer. • It is not necessary, but consider wearing latex gloves to protect your hands from dirt and other debris

  7. Computer memory • One way to measure a computers power is by its capacity to remember. RAM is made up of small memory chips that form a memory module. These modules are installed in the RAM slots on the motherboard of your computer

  8. Preventive maintenance

  9. Cookie • Cookie is a small file that a web site uses to identify a specific computer.

  10. Temporary files • Temporary files: various application programs to free memory for other programs.

  11. Recycle bin • holds files and folders before their finally deleted.

  12. Disk Defragment • occurs when a piece of data is broken up into many pieces.

  13. Specialized maintenance Maintenance that should be done by a professional • Replacing the power supply or opening the power supply case • Replacing other electrical • Replacing processor • Replacing or adding a hard disk • Replacing or adding additional RAM

  14. Risks of networked computer • Networked computers are usually at risk of being hacked or getting viruses. • People who break into computers are called hackers • People who create computer viruses make them to steal services and information

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