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How to Properly Replace a Keycap Key jiggling that is excessive is a clear sign that the key is getting close to the end of its lifespan. Replacing the key will keep it running smoothly and avoid unexpected lockouts or damage to the ignition or locks system. Finding my latest blog post and using the correct tools is essential to a successful keyrepair. Disassembling the key correctly, cleaning and lubricating the switch, and realigning can resolve many problems. Keycaps Keycaps are the plastic shell that covers the keyboard's switch mechanism. Keycaps can be printed and formed with various symbols as well as colors and designs to customize the appearance of a keyboard. They can be cylinder-shaped or flat with a curving backwards curve as if an over-sized cylinder was resting on the top. The majority of modern keyboards feature a cylinder-shaped keycap, whereas laptops usually come with a flat one. ABS and PBT are the two main kinds of keyboard keyscaps. Each keycap comes with its own distinct set of characteristics that make it distinct in sound appearance, feel, and look. Keycaps can be damaged due to normal wear and tear. Over time, they may also become brittle. This can lead to a range of problems including “key chatter”, “key sticking” and other issues that can cause frustration and typing errors. The problem may be as simple as dust or dirt that needs to be cleaned out under the keycap. Sometimes it is the case that the “spring” assembly of the keycap may have been damaged or may need to be reassembled. In some instances the key could be dead, and need replacement. Although replacement keycaps are easily found at many retailers, a lot of users prefer to repair their keys instead of replacing them all over again. This will save you money and ensure that the new keycaps fit perfectly. Most of the time this will involve removal of the current keycap from its stem and cleaning the socket and switch by using compressed air or alcohol. After the switches and sockets have been thoroughly cleaned, you can put the new keycap onto its stem. Give it a gentle tap afterwards to ensure it is properly seated. When replacing or repairing keycaps, it is essential to select a set that is compatible with the keyboard and switch type. This can be done by searching online for keycap sets that are compatible with the specific keyboard in question. Many makers create custom sets that can be purchased directly through their websites, however there are other options for purchasing keycaps, such as eBay or Amazon. In addition, Instagram has been gaining popularity as the platform of choice for collectors and makers to present their work. Switches Switches are used to connect desktop computers, printers wireless access points (APs) and industrial machinery. They can improve the performance of networks, and make efficient bandwidth use. However they are also vulnerable to both virtual and physical attacks. Repairing switches can be a daunting task, whether you are replacing one smart-key or a whole set. With the right tools and knowledge, you can easily get your equipment running. Before you begin, ground yourself in order to get rid of static electricity. This takes just a few seconds and will prevent static discharge from causing damage to your computer's internals. Use a Q-tip to clean the damaged key. The q-tip should be dampened with isopropyl Alcohol to avoid damaging the keyboard's plastic. After you have removed the q-tip and removing the q tip, loosen approximately ¼ inch from the terminal screw. Then, you can remove the wires from the terminal screws. In some switches, wires are inserted in holes on the back. Make use of a screwdriver that is thin in this case to pull the wire. Once the switches are free and functioning, you can use a continuity tester to see if they're functioning properly. Attach an instrument to each terminal, and then turn the switch. If the tester fails to illuminate the switch, it's defective and should be replaced. Network switches can also be hacked due to protocol and configuration flaws, such as SNMP and MAC address spoofing. Lubricants Utilizing lubricants to lessen friction between moving parts of mechanical devices allows them to work more smoothly and efficiently. Lubricants also protect them from corrosion and wear. Lubricants are available in a variety of forms, ranging from liquids to solids. They are typically used together with other chemicals to increase their effectiveness. Lubricants are used in all types of vehicles and equipment to reduce friction, however they are particularly beneficial for locking mechanisms of automobiles due to the frequent need to open and close them. A lubricant that is effective will last a long time and be easy to clean. It will also resist dirt and sludge which could clog up the mechanisms. A lot of lubricants are made up of petroleum fractions mixed together with other additives, such as thickeners and solvents. They may also contain anti-corrosion or metal deactivators agents. The additives provide the lubricant with special properties, such as the improvement in viscosity as well as antioxidation, shear stability and resistance to corrosion. Liquid lubricants are available in a variety of varieties, ranging from a simple bottle of penetrating oil to high-tech formulations specifically designed for heavy industrial use. Penetrating liquid lubricants penetrate minute crevices and cracks, delivering instant lubrication. WD-40 is among the most widely used lubricants but it's not intended to be used for long-term lubrication. Another popular type of lubricant is powdered graphite, which can be squeezed into lock mechanisms to make them easier to open and close. Its main benefit is that it doesn't attract dust, which means it lasts longer than other lubricants, such as oils. However, it can't be used on a lock that is coated or painted, since the graphite can discolor the surface of the lock mechanism. Aerosols of dry Teflon Lubricant are available and are easy to spray inside a locked mechanism. It creates an extremely thin layer on the inside of the lock to repel water, dust and other chemical. Some locksmiths prefer this kind of lubricant, which lasts longer than other alternatives like graphite and WD-40. When lubricants become ineffective the friction between parts increase. This results in more heat being generated. This can cause damage to internal components, resulting in the need to replace them. This can be costly, but relubricating the mechanisms with a quality lubricant can stop this from occurring. Testing If the key continues to not work after you have cleaned and lubricated it, check for any foreign materials or other debris beneath. This is a common cause for keys that are not responsive, since dirt can get into the grooves of the keyboard and short circuit pins or “via”s on the circuit board. Also, check the case to make sure it's not damaged, which could allow water or other debris into the shell, and short out the electronics. Before you attempt any electronic repair, always ground yourself. This will reduce the risk of damaging internal components due to static electricity. It takes only just a few seconds and is a good idea for any repairs to computers.