Strange jiggly line at bottom of screen/display

Hi!
Just got a Lenovo T61 7659/CTO from Ebay, and was v. pleased with it at first, but it's now developed a strange jiggly line at the bottom of the screen where the tast bar is. As I'm not much of a techie, I don't really know if it's a hardware or software issue.
Here's a link to an image of the fault:
jiggling line
It seems to be constantly bobbing/jiggling, if that's any help. It's also grown over the space of time since I first noticed it. Was very, very fine at first, but has suddenly deteriorated to about 2mm.
Would be very, very grateful for any suggestions as to what's causing this. The laptop is still under warranty, I believe, so am hoping to get it fixed by Lenovo.
Thanks very much in advance for your help.
Wendy

it is a failing GPU (you have a Nividia GPU right), this is a known problem. Probably the person whom had this laptop had this problem too, before he sold it off to you.
UNITED KINGDOM 08705-500-900
Message Edited by lead_org on 07-27-2009 10:24 AM
Message Edited by lead_org on 07-27-2009 10:24 AM
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

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Message Edited by lead_org on 07-27-2009 10:24 AM
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Strange jiggly line at bottom of screen/display

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