Unresponsive space bar

Hi. I originally removived the space bar from the computer in order to get dust and dirt out. After having reseated the space bar, it exhibits occasional unresponsive behavior when pressed on the right side. The left side seems to work well, but the right does not.
Interestingly, when I quickly press down with my left thumb, the space bar makes a click similar to the rest of the keys on the keyboard and similar to what the space bar used to sound like. When pressed similarly by my right thumb, there is no click, merely a dull noise and the space bar returns to its original position more slowly.
I suspect the problem might be related to the underlying white plastic pieces used to return the keys to their original position after being pressed. How do I remove these plastic pieces without damaging them? Are there any instructions/diagrams online for the installation of these pieces once they have been removed and cleaned or replaced?
Thanks!

Hi,
Here's one thing you can check. The "domes" under the keys (multiple for the space bar) receives air, or rather sucks air through the holes on the backside of the keyboard. So, when you press a key, you actually press out some air on the backside of the keyboard. If, for some reason, one of the holes are covered with dust, tape or similar, it cannot take in air, so the key will actually stay down for a long while when pressed. This of course, is very annoying.
So, remove the keyboard from the laptop, and check that no holes on the back side look blocked - especially near the space bar. Try pressing on the spacebar, while the keyboard is removed. If the spacebar now works perfectly,something in the laptop blocks the hole (could the lack of clearance, also). In that case you could probably get warranty support on this - but placing a thin piece of sponge/low density cloth material under the specific hole, it will also fix it.
As for how to remove the plastic hinges - well, use a bit of force - but be careful not to break the small hinges. I'd recommend just leaving it in place though, and use isopropyl alcohol on a Q-tip to clean the hinge.

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Message was edited by: rvdparisdandy

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