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For some reason, this little piece was either gathering moisture or emitting moisture. Repeat.įinally, I found the root cause of my issue - a small rubber piece, that the transparent plastic contact layers rest on.

Then, check how soon the issue comes back. It took a few attempts of disassembling everything and blow-drying each part. It had to be some sort of short-circuit and, most probably, caused by moisture. I decided to open up the keyboard and figure out what was causing this issue. Either no one else has been having this issue, or not many people buy these keyboards. So, I searched the internet for solutions, but with no luck. I couldn't keep purchasing these INR 4,000 keyboards every few months.

I just had to shut down and come back after a few hours and the keyboard would work again for a few hours or, if I was lucky - a few days. You can use an online keyboard tester like en. or Passmark's KeyboardTest to check / confirm this keyboard issue.ĭisconnecting the keyboard, and re-connecting and even restarting the computer didn't help. Characters keep appearing on screen, without pressing any keys and random menus pop open. All of a sudden, the keys stay pressed, even though none of the keys are depressed. The exact same issue plagues this particular keyboard model - from the wireless one to the two wired ones. This worked for a few months, but the same issue cropped up again. They kept it for a few weeks and then handed over a refurbished keyboard. However, this one started acting up in the first year itself. So, I bought the Microsoft Natural Ergonomic 4000 Wired USB keyboard in 2013. I shifted back to a regular keyboard for a while, but found it very uncomfortable, after having used Microsoft's ergonomic keyboard. I started off with the wireless desktop set, which cost about INR 7,000. For about a decade, I have been using Microsoft's Natural Ergonomic 4000 keyboard.