Having problems with your Toshiba Satellite P105-S921 Laptop PC Notebook ?

Toshiba P105, backlight dont turn on in my lap

\015 HI, i own a toshiba P105-SP921, my problem is:The backlight of my lcd dont turn on, i only view a very dark image in the lcd, the external monitor work fine.PD.i already test my complete screen (lcd, inverter, lcd cable) in other laptop and it work fine.thanx for the help\015

Answers :

You have eliminated the main problems that would keep your lcd from working. Your mainboard would be the next culprit. Your not getting the correct power to the inverter to power up your backlight. I have seen this part of the board fail before.
If the LCD, inverter etc works in anothe laptop but not in the original laptop then it looks like a motherboard problem, possibly the power supply to the inverter.
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