Satellite L - Small green dot on the screen

I have just started up my new computer and on the start up loading screen (the black screen) there appears to be a small dot (possibly green) that is in the upper part of my screen and only noticable when the screen is black.
Will this become more serious and is there anything that i can do to change it or is it something that i need not worry about? I would like to know as soon as possible as if i need to send my computer back i will prefer not to do anything further on it.
Thank you
Zoe

Hi
I think you mean a defective pixel. Is this right?
Such defective pixels are pixels on a LCD not performing as expected. This can happen on all LCDs and there are different pixel fault classes.
LCD display has millions of pixels and if you have only one defective pixel everything is ok. On my Satellite L300 I have also one defective pixel but I see it only if the display is black. You cant return or exchange the notebook with one defective pixel only.
Here is an interesting document:
http://aps2.toshiba-tro.de/kb0/TSB9502LZ0000R01.htm
Bye

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