LCD Scrub is a burn-in repair screensaver for your Mac's flat-panel display.Liquid crystal displays are susceptible to image persistence-what we used to call "burn-in" on old CRT monitors. Leaving any image (including your system's desktop icons, windows, and menus) on-screen for too long can cause unsightly ghost images to set in.However, unlike CRTs, LCDs with image persistence can be repaired with special video patterns. This saves the cost of buying a new display, or (in the case of a laptop) an expensive repair.Here are some key features of "LCD Scrub":

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