CHAPTER 4

COMPUTER MAINTENANCE

By Joseph Campbell

Objectives

Identify problems that can 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 The unprotected cables are a safety

hazard If there is not a good maintenance your

computer will be slower.

Hardware Maintenance

You need to clean your computer every 3-6 months.

To cut down on your computer repair’s is to preventative maintenance performed regular schedule.

Keyboard & mouse You should clean keyboard periodically. Dirt dust hair and food will cause the

keys to get stuck.

Printers

Cleaning the printers helps the printers life.

Inkjet and laser are two popular types of printers.

Never spray an aerosol onto the printer.

Computer memory

To measure a computer’s power is by capacity.

RAM is made up of small memory chips that form a memory module.

Preventaive Maintenance

All computer slow down as you add delete files.

Install and uninstall software and perform normal activities.

To eliminate and minimize windows come with a set of special functions.

Disk defragmentation When you use your computer and you

add and delete filed on your computer’s hard disk.

As the drive begins to become cluttered and spaced becomes limited.

Recycle bin

The recycle bin is a holding area for files.

You can access the recycle bin through an icon located on the desk top.

Temporary Files

Various application programs such as those in the Microsoft office suite create temporary files.

To free memory for others programs To act as a safety net to prevent data

loss For printing.

Cookies

Cookies are a small text file that a web site uses to identify a specific computer.

The file is created or updated on your computer.

The cookies are not a threat to your computer’s security.

Specialized Maintenance

You can provide routine Maintenance as discussed in a lesson.

Replacing the power supply

Risk of networked computing

Security of a computer network is challenged every day.

Computer hackers and viruses represent a great risk to the network.