![]() Try to tap on the switch a few times to turn on the backlight. Usually it is a small plastic pin located close to the LCD hinges. The switch turns off the backlight when you close the LCD display to save the laptop battery power. It’s possible that the LCD lid close switch stuck in the “closed” position and the backlight stays off even when you open the LCD screen or turn on the laptop. Look at the LCD screen very closely and check if you can see a faint image on the screen. ![]()
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