Lenovo T440p LCD backlight not working

Jan 19, 2019
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Hi, my t440p's screen backlight stopped working. The laptop still turns on, and the screen still displays everything, but the backlight won't work. I ordered a new screen and replaced it (not my first time replacing this screen), but the backlight still won't function.

Is this something I can troubleshoot/repair on my own? What can I do next?

Thanks
 
Jan 19, 2019
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How would I figure out if it has an inverter?
 
Jan 19, 2019
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I'm not sure if it's an LED backlight.
 
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