![]() ![]() This of course, would depend on whether or not your laptop had an LED lit or CCFL lit screen. This is a small, narrow printed circuit board mounted to the bottom of the LCD panel which inverts the DC power provided to the laptop to AC power which the Cold Cathode Fluorescent bulb requires. I know what these are and how to work them and always set them to never dim/full brightness, yet still my laptop starts this dimming every so often. I have checked with Cryo and they just say check the power settings. the screen setting said 100% brightness but it was only at, maybe 80%. I found the brightness slider on 100% (as I expected) but, as I dragged it to the left, to dim the screen, it first brightened and then started dimming, i.e. I once went to the "adjust screen brightness" window when the screen had dimmed. Yet when the screen starts playing up I can end up with the screen dimming and brightening almost continuously. I have checked many times the battery/power-saving settings always leaving the settings the same way full brightness and never dimming when on the mains. The battery is always fully charged and connected to the mains. In fact the brightness is varying even as I type this. ![]() Sometimes the screen seems to persistently dim and/or brighten up, even as I am doing things. I have a Cryo laptop with Windows 7 installed, bought in December 2011. ![]()
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