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interval1066 writes "I noticed earlier my Vizio lcd monitor output suddenly getting brighter, then dimming back down to "normal" after a second. I've generally made it a practice to blow the dust out of my devices 1) when I remember to do so 2) after about 3 or so years of use 3) when I can get inside the case. My monitor is very thin and difficult to open. When I did finally crack it open I didn't really notice a whole lot of dust, but I blew the thing out anyway and put it back together, and its doing ok, as far as I can tell.
I'd be interested in knowing other slashdotter's experience with maintaining their devices in this way and where possible. And I actually extending the life of my devices, or am I just wasting my time?" Link to Original Source