About my above post: No offense to the people figuring out the shim fix or to the people doing it. I was just pointing out that it is by no means a permanent fix. The heatgun fix may also be a little risky, but if you are careful and monitor the temperature with an IR thermometer, it should not be too difficult. An adjustable heatgun will make it even safer. Besides, with a broken logic board there is really not that much to loose