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<blockquote data-quote="alpina" data-source="post: 1650069" data-attributes="member: 347838">Thanks Nick for your replyYes I know it sounds quite difficult to get an iMac water damaged , but this one was in a extremely damp bedroom, its not a spillage problem it was more moisture in the room that caused the corrosion on the logic board the Ram slot is missing so that was the area that the moisture was enteringThe area on the board that was mostly corroded was on and around the SMC chip and the Ram slots but this might not be the problem as this has now cleaned up well, the area that I took the images may be the issue and has always been the issue, but my knowledge of surface mounted components is very limited the area just doesn't look right the two components have a bridge of solder between them.When I remove the battery and replace again then plug the power cable in the back, it starts up by its self without pressing the power button, I thought maybe this was me resetting the system and bypassing the SMC chip.Could the Area on the logic board in the images be the cause of the problem, I didn't think an overheating LCD would cause this sort of Temperature to melt solder, if someone could confirm this is how the board should look then it looks like a new logic board is required&nbsp; I hope this makes sense</blockquote>

[QUOTE="alpina, post: 1650069, member: 347838"] Thanks Nick for your reply Yes I know it sounds quite difficult to get an iMac water damaged , but this one was in a extremely damp bedroom, its not a spillage problem it was more moisture in the room that caused the corrosion on the logic board the Ram slot is missing so that was the area that the moisture was entering The area on the board that was mostly corroded was on and around the SMC chip and the Ram slots but this might not be the problem as this has now cleaned up well, the area that I took the images may be the issue and has always been the issue, but my knowledge of surface mounted components is very limited the area just doesn't look right the two components have a bridge of solder between them. When I remove the battery and replace again then plug the power cable in the back, it starts up by its self without pressing the power button, I thought maybe this was me resetting the system and bypassing the SMC chip. Could the Area on the logic board in the images be the cause of the problem, I didn't think an overheating LCD would cause this sort of Temperature to melt solder, if someone could confirm this is how the board should look then it looks like a new logic board is required I hope this makes sense [/QUOTE]

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