First of all, a big thanks to all the Apple-enlightened of the forum that have helped myself and others with their expertise. With that said, the reason I just made this account is because I have what appears to be a unique problem, as I haven't been able to find anything about it by searching the forum's older posts, nor elsewhere. Short version: My Macbook Pro with two slightly dented charging pins has a ~50% chance of shutting down immediately when unplugged, but not when the connected charger is unplugged from the wall or unpaired from the power brick. Others have had similar problems, but it sounds like more of a battery issue than what I'm guessing in my case could be a charging port issue. Help? Long version: The topic title sums up the problem, but more specifically, my MBP only shuts down when the charger is unplugged a certain way. Even then, it seems random. When the charger is jerked out very quickly (which is rare, but accidents happen) there seems to be a 50/50 chance of the laptop shutting down immediately. As in, black screen, fans shut off, etc. the instant it's unplugged. Dead laptop. This only happens when unplugging from the laptop itself, never when disconnecting the charger brick or unplugging from the wall. When it does happen, I can only get the laptop to turn back on with the charger plugged in. I've generally been able to avoid it by slowly and carefully pulling the charger upwards (kind of pivoting on its top edge) when I need to unplug. I have the older, boxy charger, not the new cylindrical one, if that makes a difference. I should also say that the charger light and battery lights behave normally. I'm guessing it has little to do with the battery since unlike others' similar battery-related problems, I don't have an X over the icon and the behavior seems random, regardless of charge level. My battery is probably well beyond needing replacement, though (959 cycles and 63% design charge capacity), so it could certainly be to blame. It's worth mentioning that my very mature and responsible friends were involved in an incident that involved my MBP falling a couple of feet and receiving two bent pins inside the charging port thing. It's not very severe, but it's the leading culprit as far as I can tell so far. I'll post pics if needed. Hopefully that covers everything. If specs are necessary, I'm happy to oblige. So, does anyone have any ideas what the real problem might be, or any ideas as to how to start diagnosing?