Dark spot on lcd due to improper cleaning

• Cleaning the Computer

If you've noticed that your computer's keyboard feels sticky or the monitor screen appears spotted under the light, it's time to clean these pieces before internal damage occurs. Cleaning your computer's keyboard does not require special knowledge or skill. But you should take precautions to avoid damaging the internal parts when caring for the external hardware.

1. Unplug the computer and all accessories before getting started. Anytime you attempt to clean an electric appliance it is important to disconnect the power source to reduce the risk of electrocution or shock. After unplugging the keyboard and monitor, along with any accessories that may be plugged in, use a damp clean cloth to wipe all the cords that are connected to the monitor and keyboard and remove dust balls or hair, along with anything else that might cling to them.

2. Move the computer monitor and keypad to one side of the desk and wipe the area clean where the equipment usually sits. Be sure to wipe a large parameter around the monitor area and let it air dry completely before returning the keypad to that area. You might want to use a clean towel or dry cloth to rub over the desk to be certain it is dry, as dampness can damage the machinery or cause it to stick to the table's surface.

3. Rinse the damp cloth in clear hot water and wring it nearly dry. Gently wipe the monitor screen, including all the corners, to remove dust and spots. Then wipe the surrounding areas and framework of the monitor, including the indicator lights that show when the system is operating. Don't forget the back of the monitor as well. If you have a laptop computer with a top that folds down and closes, wipe the hinges carefully, using a cotton swab for grooves and the latch. Check the latch to see if it is sticky or closes readily.

4. Next, go over the keyboard with the cloth, lightly rubbing around each key and button. Wipe around the sides of the keyboard, catching the off and on switch and CD player. Then use a cotton swab to ease around the edges of each key and row to retrieve minute amounts of dust and crumbs. Carefully clean around the lights, plug openings, and speakers, as well as other areas of your computer. Check to be sure you are not leaving wet traces on the equipment, as this means your cloth is too damp and should be wrung out more.

5. Allow the machinery to air dry, or use a soft cloth to pat the keyboard and monitor dry. Don't use fabric with lint or that is tough enough to scratch the screen. Reassemble all the cords and parts when you are sure the entire unit is clean and dry.

Plan to clean the keyboard and monitor every month or two. You may want to schedule maintenance for an interior cleaning once or twice a year. A clean computer is more likely to work well and last longer.

<span>An LCD screens must be cleaned as it attracts dust like a magnet. Cleaning is risky as the screens are very sensitive and there are chances of you damaging the screen if you don't know the proper method to clean it. To help you in this read the article below to the various tips on cleaning the LCD TV.</span> <b>Tips On Cleaning LCD TV</b> <b>Basic Facts About LCDs</b> <ul> <li>LCD screens or displays should not be cleaned through normal methods, as they are not glass. LCD or liquid crystal display is a soft film and it can be damaged through improper cleaning agents.</li> <li>The popularity of LCD TV's is on a rise as they can be can be run on low battery power and also have<a href="http://lifestyle.iloveindia.com/lounge/how-to-clean-lcd-tv-8061.html#"><span>sharp</span></a> picture clarity.</li></ul> <b>LCD Screens Problems</b> <ul> <li>LCD screens regularly gather dust and smudges and sometimes fingerprints and ink markings.</li> <li>Cleaning the screens with a <a href="http://lifestyle.iloveindia.com/lounge/how-to-clean-lcd-tv-8061.html#"><span>paper</span></a> towel, dishcloth or tap water can do considerable damage, as the screens are very sensitive. It can cause clouding and can cause damage to the pixels.</li> <li>Tap water contains chemicals like chloride and wiping the screens with it can leave a residue on the screen.</li></ul> <b>Cleaning Tips And Guidelines</b> <ul> <li>The LCD TV must be cleaned regularly for you to enjoy the proper clarity of the display.</li> <li>First of all, turn off the LCD TV and examine the condition of the screen.</li> <li>Note the smudges and the areas to be cleaned.</li> <li>To remove dusts use a microfiber cloth and brush off the dust particles.</li> <li>It is best to use proper cleaning solutions that come with LCD cleaning kits. However, you can mix one part of isopropyl alcohol with one part of distilled water and using cotton or microfiber cloth, clean the screen. Another cleaning solution that can be made at home to clean LCD TV's is to mix one part of vinegar in one part of water. Pour this solution on a soft cloth and then wipe the screen.</li> <li>Take care not to spray any sort of cleaning solutions directly onto the screen. Instead take it on a piece of cloth and then wipe.</li> <li>Wipe the screen in a circular motion and be very gentle. Don't press hard.</li> <li>Also do not touch the screen with your fingers or there are chances of leaving oily prints.</li> <li>Rub a soft cotton dry cloth to completely remove excess liquid from the screen as the moisture may damage it.</li> <li>Before switching back the TV on, let the screen dry completely.</li> <li>If some stains or marks are hard to remove, don't apply pressure to remove it. Instead, repeat the cleaning procedure several times to get rid of it. For ink marks and other hard stains, you have to invest in special cleaners.</li> <li>To clean the dirt from the edges or corners use a Q-tip. Dip one end of the Q-tip in the cleaning solution and squeeze out the excess moisture from the cotton tip. Now gently drag this tip along the edges.</li> <li>Do not use cleaning solutions that contain ammonia, ethyl alcohol, acetone, toluene, ethyl acid, or methyl chloride. These chemicals can react with the LCD screen materials and damage it.</li></ul>