Aspire CF VV Button gets stuck on firing

I have owned an Aspire battery for approximately 6 months, and several weeks or so ago the button started getting stuck in firing mode. its gotten to the point now where i may need to press the button many many many times for it to turn off or on, or it turns itself off or on with one press, gets stuck after being pressed or even randomly fires (did so earlier today when sat on my table untouched). i imagine that some lint or something slipped in past the side of the button i to the casing and is causing issues, similar to when food is stuck under a keyboard key. Cant seem to find any discussions that have brought this issue up, or find any hints online as to how to remove or replace the button. advice would be very much appreciated.
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