![]() It has been long enough that I don't remember if the power adapter LED stayed off or not in that case. It is a wonder it didn't burn his house down. That one came to me because the battery had swelled to the point where the touch pad stopped working, requiring an emergency "battery-ectomy". Seems like it required an 85 watt adapter, and his was outputting less than that. The laptop would boot because the battery still had enough juice to boost it off, but the charger alone wasn't producing enough wattage to boot it standalone. Turns out on that one the power adapter also wasn't up to spec. I haven't worked on a lot of them (not an Apple person myself), but I did look at them on occasion and did have one that wouldn't boot without the battery installed no matter what we tried (and we spent hours trying everything). Yeah, it is sometimes hard to get one running without the battery installed.
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