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Shutting down properly:

Make sure to exit, not just close, all software when done. Then shut-off computer properly.
Windows OS, be sure there is nothing still open on the lower task bar,

  • Go to and click on "Start"
  • Click on "Shut Down"
  • Select “Shut Down” from the dropdown menu
  • Click " OK"
  • Select "Shut Down"
Don't ever press the power switch as a means of shutting your computer, unless all else fails!

Organize your data files:

  • It is best to create folders or subdirectories in "My Documents" to store your work.
  • Do not keep your work at the top C:\ level, but use folders.
  • Keep your work data files separate from the software itself.
  • This allows you to backup work easier, replace software easier, and find work quicker.
  • If you have more than one hard drive, keep data on one, and software and operating system on the other.

Keep your hard-drive clean:

  • Remove any software that you don't need.
  • Everything adds up!
  • If you keep lots of old files on your hard drive, after a while it becomes difficult to sort the junk from the current files.
  • Keep archiving old things, delete temporary or outdated files.

Generally, don't move or delete something, if you don't know what it is!

Check for disk errors:

  1. Open "My Computer"
  2. Click once on the "C: drive"
  3. Right click and go to "Properties".
  4. Go to "Tools"
  5. Select "Error Checking Status",
  6. Check "Now".
  7. Do a "Thorough" check.
Cleaning Power Supplies and Fans
Carefully use a vacuum cleaner to remove dirt and dust from power supplies and fans. This improves the airflow through the unit and prolongs its life by reducing ambient temperature levels.

Only approved PC vacuum cleaners should be used to clean electronic equipment. Home vacuum cleaners generate large amounts of static electricity, which is dangerous to the PC.
Cleaning the interior of your case
  1. Shut down your computer properly
  2. Unplug the computer
  3. Disconnect all other connectors from the back
  4. Remove the cover
  5. Clean the power supply, the processor cooling system and the rest of the interior with an approved PC vacuum or canned air.

Environmental conditions


The environment in which computer equipment is kept, and the way in which it is treated, can affect its life span.
All electronic equipment, especially PCs, should be kept away from extremes of temperature or dusty conditions.
Regular cleaning of a PC\'s components and inspection of its surroundings may increase the MTBF (Mean Time Between Failure) of many components.

General Preventative Maintenance Issues

This would be a good routine to follow if your environment is dusty. It wouldn't’t have to be done so often if it wasn't’t.


PM Sch.

General Cleaning Issues

  • Do not spray cleaners directly on computer parts. Spray cleaners on a clean, soft cloth.
  • Do not use benzene, thinners, or any other volatile substances to clean plastics. They may damage the finish.
  • Use only approved cleaning fabrics. Household tissue, hand towels and cleaning cloths leave behind fibers that can clog delicate mechanisms. Dyes can also dissolve in the cleaning solvent and leave deposits on the item being cleaned.
  • Some solvents dissolve synthetic cloths. When surfaces are cleaned, the dissolved material forms a coating that sets as the solvent evaporates.