Satellite L670-143 white and blinking screen

Hi,
My laptop screen gets white and blinks after a few minutes working on it.
A year ago was getting just once in a while. But lately is just every 10 minutes.
Then I have to turn off and on to get it back again.
Hope somebody can help.
Thanks.

It must be some hardware problem. I dont know how old your notebook is but if the warranty is still valid contact nearest Toshiba service provider as soon as possible. They can fix it for you.
Nearest ASP you can find on http://eu.computers.toshiba-europe.com/innovation/generic/ASP_SUPPORT/
Good luck

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