Here's how to fix unresponsive keyboard keys: Unplug the keyboard and plug it back in. ... Try a different cable. ... Replace the batteries. ... Clean the keyboard. ... Blow out the unresponsive switch. ... Use contact cleaner. ... Inspect the solder joints. ... Replace the switch. More items... •
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Read More »This article explains how to fix it when a mechanical keyboard key isn’t working.
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Learn More »Blow out the unresponsive switch. Pry the keycap off the unresponsive switch, hold the keyboard upside down, and blow out the switch using canned air. If that works, you may want to clean the keyboard at this time to avoid similar problems with other switches. Use contact cleaner. Unplug your keyboard, remove the batteries, and take the keyboard to a well-ventilated area. Remove the keycap, and insert the contact cleaner nozzle or straw into the stem of the key switch. Apply one or two squirts of contact cleaner, and then work the switch stem up and down and side to side. Then let the contact cleaner dry thoroughly before replacing the keycap and check if the key functions. Depending on the contact cleaner you use, it may damage your other keycaps. In that case, you may want to remove all of the keycaps before you attempt this procedure. Only use a contact cleaner designed for this purpose. Inspect the solder joints. If your keyboard has soldered switches, then the solder joints may be broken on one of the switches. If the solder has popped off the circuit board or the switch contacts look loose, you can fix the problem by repairing the solder joints. Replace the switch. If nothing else works, replacing the switch will usually solve the problem. You need to desolder and remove soldered switches, and then solder in replacement. You can pop hot-swappable switches out with the proper tool, and then you can insert a replacement with no soldering required. Replace the keyboard. If replacing the switch doesn’t fix the problem, there’s a more significant issue with the keyboard itself. Your options at that point are to take it to a professional who may or may not be able to repair it or replace it.
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Read More »If one key, like your A key, isn’t working, then it’s probably a bad switch or a stuck keycap. The best way to fix it when one key isn’t working is to focus on that key. Pop off the keycap and look for debris. If you see anything, clean it out with canned air. If that doesn’t work, you can try cleaning the key with canned air or contact cleaner and replace the switch if nothing else works.
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