The small piece of circuit board, which is usually located underneath the plastic shell of your laptops screen casing, is probably the cause of one of the most common problems related to screen failure and, more specifically, dimness, or darkness to the screen itself.
The main purpose of the inverter is basically to give power to the backlight. The way it works is simple, it takes power from the laptop itself by a small inverter lead that runs from the motherboard of the laptop, sometimes it is a direct lead on its own, other times this lead can be connected into the inverter through the LCD cable (the lead that runs from the motherboard to the back of the screen itself), giving the screen its visual display.
At one end of the inverter, usually the left end, the lead that gives it power is plugged into a small white socket and from the other end, usually the right side, the backlight lead from the screen is plugged into another white socket. The backlight is a very small, thin, long, very delicate light bulb that runs along the very bottom or sometimes the side of the screen.
The problems related to the inverter is dimness or darkness to the screen in...
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