Dell laptop screen dim

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It requires removing a few screws/gromets around the bezel, and disconnecting the webcam connector/LCD connector on the back of the display panel. What this means is you need to replace the LCD (this does not require complete disassembly). You proved that with the flashlight method (a common method to determine if it is a backlight issue when power settings have been checked on an external display). With a CCFL, you have to worry about an inverter board (just above the keyboard in the bezel), tubes failing and causing black spots, etc.īUT, you don't have a CCFL display.

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There are the newer type LED, and there are the older style CCFL (Cold Cathode Florescent Lighting). There are two common types of LCD panels. Nobody has given you the correct answer if you've checked the power settings.