When re-assembling check to insure the magnet on the left hand side half way down is still in place it should be on the plastic top case cover. When I re-assembled it fell out and my MacBook would not go into sleep mode when the display was closed. I had to pull it apart again to fix.
Installing MacBook Core Duo LCD Panel Sep 22 @ 3:17 AM
When re-assembling check to insure the magnet on the left hand side half way down is still in place it should be on the plastic top case cover. When I re-assembled it fell out and my MacBook would not go into sleep mode when the display was closed. I had to pull it apart again to fix.
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