Monday, August 1, 2011

How to Clean PC Boards


After years of use, PC boards will normally be dusty and dirty, even inside their cases. PC board can also be the victim of spills and accidents that leave a film of dirt on the board. While cleaning the board will not repair any damage, removing dust and debris is an important preventative step that can keep a PC board from going bad. For computers that are on most of the time, try to clean them once a year, preferably right after you clean the room that they are in, since they will take in any airborne dust in the room.


Instructions

"Things You'll Need"

  • Isopropyl alcohol
  • Compressed air
  • Toothbrush or small brush
·         Unplug the computer and remove all the cables from the back. If the cables look confusing to you, take a picture or draw a diagram so that you can put them back in the same place. Remove the case from your computer according to the instructions provided by your manufacturer. Some cases are held together by screws, and others have a latch system.
·         Press the handle on the compressed air gun to blow air onto the PC board. Start by blowing out the fan and vents, since these tend to have the most dust accumulation. Continue to blow the air onto the board and the components. Try to blow air between the components as well to loosen particles that may be stuck. If you see any large dust bunnies in the case, go ahead and grab them, but try not to touch any computer parts while you do.
·         Pour some isopropyl alcohol into a small dish or glass. Dip the small brush into the alcohol to get the bristles completely coated. Alcohol is not needed for general cleaning, but you can use it for dirt that you can see and that the compressed air won't remove. Scrub any sections of the PC board that appear dirty. Apply a moderate amount of pressure, since you don't want to damage any components. After you have scrubbed a section of the PC board, use the compressed air to evaporate the alcohol.


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