The original power charger had lasted me several years, but was starting to give out in February of 2009. On the 24th of that month, I purchased this item. This was middle of the road for price, not the cheapest, but not the most expensive, so I thought it might last. It worked like a charm . . . for 6 months. Now I find myself in the market for another charger for my X40, as this one has already given out.I'm not a heavy laptop user, I don't wind cables tightly, or keep them wound up for long periods of time. This adapter didn't fall, have an accident, or suffer any unusual event that could cause damage. Yesterday I pulled it out of my laptop bag, and it worked intermittently, when I kinked it in a certain way. Today it won't work at all.[...]