Thin vertical lines on screen

Hi,
I have a 3 year old G4 laptop. I now have 4 thin vertical lines appearing on my screen. The number of lines has slowly expanded in the last 4 months. I took my laptop to the genius bar and they told me that this is simply light pixels burning out and they could fix it but it would cost over $300.
Do all Mac computers have this problem after 3 years or so? Is there an alternate solution to the problem?
Mike
Thanks for your help.

Hi Michael,
Three years ... it varies. Besides BDAqua's suggestion, you might try looking for an Apple reseller, here's the link for that: Apple Retail and Resellers
Carolyn

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