IMac Problems - Screen Starts to go Haywire

Hi All,
Over the last day or so I've been getting a weird behaviour out of my iMac. While I'm happily working along, the screen will start going haywire - flickering and doing weird things - to the point where I need to power off and power back on the computer in order to do anything. The problem is that, when I try logging in again, while the computer is booting up, it might start doing the same thing -- I may not even be able to boot fully before the computer starts doing the same thing.
I've posted a video on YouTube showing exactly what's happening:
http://www.youtube.com/watch?v=XleFyhnDBqs&feature=plcp&context=C395eea0UDOEgsTo PDskLzHk1tJPGaZPbA7nPqcCxX
I have booted up into the Lion recovery partition and run a disk verify - it came back clean.
I'm currently reinstalling Lion to see if that will help. It doesn't seem to happen when I'm booted up in the recovery partition, so that leads me to believe that it might not be a hardware problem.
Any thoughts/ideas from the community?
Thanks,
--db

This means your GPU is disconnecting itself from the motherboard, what machine do you have??? This problem was common for the Thinkpads T4x series.
There are three possible ways of fixing it, one is put a stack of sticky note and apply pressure to the GPU.
Then there is the motherboard reflow, there is video on youtube showing you how to do it.
Then finally change the motherboard or get a new laptop.
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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IMac Problems - Screen Starts to go Haywire

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