Do you have a clock you love that has just stopped working?  And the usual solutions, such as changing the battery, no longer seem to get any tick or tock..?  It's both frustrating and disappointing, to say the least, especially when the clock happens to be an expensive one or a clock you really love, such as one with sentimental value.  Well, don't throw your clock out and buy a new one just yet.  Believe it or not, you can fix a clock for under $10 in just a few easy steps.  If your clock is a quartz clock that runs on a mechanism, it may very well be that…