ive read ALL the posts on faulty jacks and everything, got a new power chord, new battery, everything. I actually had my broken powerjack resoldered by a lab tech and my power input problem was solved, my battery charges, and the ac powers the labtop, but now the power button doesnt seem to do anything, like it has no power at all, any ideas? the tech said nothing seemed wrong with the mother board, and everything worked fine while i was dealin with the power jack problem until the solder joints finally broke, help!