Computer cleaning information and steps gas constant for nitrogen

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• You can use a vacuum to suck up dirt, dust, or hair around the computer. However, do not use a vacuum inside your computer as it generates static electricity that can damage your computer. If you need to use a vacuum inside your computer, use a portable battery powered vacuum or try compressed air.

• When cleaning fans, especially smaller fans, hold the fan or place something in-between the fan blades to prevent it from spinning. Spraying compressed air into a fan or cleaning a fan with a vacuum may cause damage or generate a back voltage.

• Cloth – A cotton cloth is the best tool used when rubbing down computer components. Paper towels can be used with most hardware, but we always recommend using a cloth whenever possible. However, only use a cloth when cleaning components such as the case, a drive, mouse, and keyboard. You should not use a cloth to clean any circuitry such as the RAM or motherboard.

• Portable Vacuum – Sucking the dust, dirt, hair, cigarette particles, and other particles out of a computer can be one of the best methods of cleaning a computer. However, do not use a vacuum that plugs into the wall since it creates lots of static electricity that can damage your computer.

Make sure all vents and air holes are hair and lint free by rubbing a cloth over the holes and vents. It is also helpful to take a vacuum around each of the hole, vents, and crevices on the computer. It is safe to use a standard vacuum when cleaning the outside vents of a computer.

Procedure: Use a cleaning kit or damp clean cotton cloth to clean CDs, DVDs, and other discs. When cleaning a disc wipe against the tracks, starting from the middle of the CD or DVD and wiping towards the outer side as shown in the picture below. Never wipe with the tracks; doing so may put more scratches on the disc.

Finally, in regards to headphones spreading head lice. If different students use the same headphones, have students use their own headphones, place bags over the headphones, or using headphones that can be wiped with warm water after each use. Keyboard Cleaning

Procedure: Before cleaning the keyboard, first turn off the computer or if you are using a USB keyboard unplug it from the computer. Not unplugging the keyboard can cause other computer problems as you may press keys that cause the computer to perform a task you do not want it to perform.

Many people clean the keyboard by turning it upside down and shaking. A more efficient method is to use compressed air. Compressed air is pressurized air contained in a can with a very long nozzle. To clean a keyboard using compressed air aim between the keys and blow away all of the dust and debris that has gathered there. A vacuum cleaner can also be used, but make sure the keyboard does not have loose "pop off" keys can be sucked up by the vacuum.

If anything is spilled onto the keyboard turn the computer off immediately or at the very least disconnect the keyboard from the computer. Once done flip the keyboard over to prevent the substance from penetrating circuits. While the keyboard is upside down, shake the keyboard over a surface that can be cleaned later. While still upside down, use a cloth to start cleaning the keys. After the keyboard has been cleaned, leave the keyboard upside down for at least two days allowing it to dry. Once dry, continue cleaning the keyboard with any remaining substance.

To clean the LCD or LED screen, use a non-rugged microfiber cloth, soft cotton cloth, or Swiffer duster. If a dry cloth does not completely clean the screen, you can apply rubbing alcohol to the cloth and wipe the screen with a damp cloth. Rubbing alcohol is used to clean LCD and LED monitors before it leaves the factory.

Procedure: A glass monitor screen can be cleaned with ordinary household glass cleaner. Be sure to unplug the power cord from the monitor and spray the cleaner onto a lint-free cloth so the fluid does not leak into the electrical components inside the monitor. Vacuum off any dust that has settled on top of the monitor and make sure no books or papers are covering the air vents. Obstructed monitor vents can cause the monitor to overheat or even catch on fire.

Caution: We suggest only using a cloth dampened with water when cleaning non-glass monitors or any anti-glare screens. Using ordinary household glass cleaner on special screens, especially cleaners with ammonia, can remove anti-glare protection or other special surfaces.

Procedure: Our recommendation when cleaning the motherboard from dust, dirt, or hair is to use compressed air. When using compressed air, hold it in the upright position to prevent any of the chemicals from coming out of the container, which may damage or corrode the motherboard or other components. Also, ensure when using compressed air that you always blow the dust or dirt away from the motherboard or out of the case.

Warning: Never use an electrically powered vacuum, as it can cause lots of static electricity that can damage the computer. When using a vacuum, keep it a couple of inches away from the motherboard and other components to prevent damage and anything from being sucked into the vacuum (e.g., jumpers or small cables).

Procedure: Use a can of compressed air that is designed for use with electronic equipment, spraying around the optical sensor on the bottom of the mouse. Blowing air on the bottom of the mouse clears away any dirt, dust, hair, or other obstructions that may be blocking the optical sensor.

Procedure: To clean the rollers of an optical-mechanical mouse, you must first remove the bottom cover of the mouse. To do this, examine the bottom of the mouse to see what direction to rotate the cover. As you can see in the below illustration, the mouse cover must be moved counterclockwise. Place two fingers on the mouse cover, push down and rotate in the direction of the arrows.

Once the cover has rotated about an inch, rotate the mouse into its normal position, covering the bottom of the mouse with one hand. The bottom should then fall off, including the mouse ball. If the cover does not fall off, try shaking the mouse gently.

Once the bottom cover and the ball is removed, you should be able to see three rollers located inside the mouse. Use a cotton swab, finger, or fingernail to remove any substances on the rollers. Usually, there is a small line of hair and dirt in the middle of the roller. Remove as much of this substance as possible.

Procedure: First, make sure to turn off the printer before cleaning it. Dampen a cloth with water or rubbing alcohol and wipe the case and each of the buttons or knobs on the printer. As mentioned earlier, never spray any liquid directly onto the printer.

The second method of cleaning the floppy drive is only recommended for experienced computer users. Open the floppy drive casing and physically swab the read/write heads with a lint-free foam swab soaked in pure alcohol, free-on, or trichloroethane. When performing these steps, be extremely careful when cleaning the heads to ensure that you do not lock them out of alignment causing the floppy drive not to work. To help prevent the heads from becoming out of alignment, use a dabbing motion lightly putting the swab on the head and removing it, do not perform a side-to-side motion with the swab.