Backlight does not turn on more Satellite M70 147

Hello outhere.

The backlight on my M70-147 M-series lights no more.
First of all, I noticed that when the awakening of the laptop from the standby or hibernation mode.

At first I thought that the screen did no more work, but when I looked closely I could still do believe the icons on the desktop remotely. So, initially, I rebooted the laptop and then most of the time the backlight will light and stay on.

But now he did not do more, not even when I close the screen (to force the standby mode) and then open it again, the backlight won't turn on.

I also looked at other forums and topics, what the cause could be a faulty inverter or a broken rear window.

So can anyone with the symptoms described tell me what could be the cause?
I am sure that everything goes well with the graphics card because when I hung on my laptop to my LCD of dads he just showed the Office from my laptop on the LCD display. Also the first time I did it after pressing Fn + F5 several times the screen of my laptop would come on a few times. But now it does not more.

So can anyone with the symptoms described tell me what could be the cause?

Thank you very much.

> Can then anyone with the symptoms described tell me what could be the cause?

For me, it looks like a faulty FL inverter.
The FL inverter is a small part behind the frame of the screen and it controls the backlight.

Usually the external monitor should work fine because the FL inverter affects the internal display only...
However, the problem can be solved by the replacement of this part.

I recommend you contact the Toshiba ASP in your country to get this part replaced

Tags: Toshiba

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